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Three hundred and seventy-four years ago on 2 April 1647, a remarkable woman was born: the artist and naturalist Maria Sibylla Merian. In the 17^th and 18^th century world of male-dominated science, Merian had to fight for her place in the natural sciences. Against all odds, she became a trailblazer, especially in developmental biology.

Merian’s legacy was recently explored during a 4-week student-project at the library of the Museum für Naturkunde in Berlin. The project was part of a master’s program for the University of Applied Science in Leipzig to enlarge the student’s experience in the historical holding field and give a glimpse into the planning and conducting of a project. The aim of the project itself was and is the digitization of two different editions of Merian’s work Metamorphosis insectorum Surinamensium as well as a restorative and provenance research summary about the volumes. Both editions show Merian’s talent in painting and observing insects and plants.

“To her mind the truths of science seem revealed.”

That’s how Phebe A. Hanaford, author of Daughters of America (c. 1882), described naturalist Graceanna Lewis, one of the first three woman to be accepted into the Academy of Natural Sciences. But Lewis was not only one of the first professionally acknowledged women naturalists; she was also an abolitionist and social reformer who worked for the advancement of science as well as human rights. Researchers can find many publications by and about this intriguing woman in the Smithsonian Libraries and Archives’ Digital Library and the Biodiversity Heritage Library.

Dr. Margaret S. Collins (1922-1996), a renowned expert on termite ecology and distribution, taught as a professor and administrator at Howard University, Florida A&M University, and Federal City College (now University of The District of Columbia) for over 35 years. Upon her retirement from teaching, Collins continued her work on termites at the Smithsonian National Museum of Natural History as a research associate from 1983 to 1996.

Over the course of her career, Collins published more than forty articles spanning the biogeography, physiology, chemical defenses, and taxonomy of termites. Collins also collected specimens in the United States, Mexico, Costa Rica, Colombia, Barbados, Belize, Suriname, the Cayman Islands, Guyana, Guatemala, and Panama. When she contracted dengue fever on an expedition in Guyana in 1983-1984 and was forced into a long hiatus from field work, she turned her focus to updating and preserving the termite specimens at the Smithsonian National Museum of Natural History. Eventually Collins returned to field research in 1994 when she once again traveled to Guyana to collect termites. In April 1996, Collins died while conducting field work in the Cayman Islands.

The Ernst Mayr Library and Archives of the Museum of Comparative Zoology (MCZ), Harvard University, holds a unique and extensive collection of photographs, letters, manuscripts and field notes of William Brewster, a prominent ornithologist/naturalist of the late 19th and early 20th centuries. His published work is lauded as providing authoritative and novel additions to ornithology.

Brewster published more than 300 ornithological papers and several books which are widely available in academic and research libraries. He was the first president of the Massachusetts Audubon Society and was a founding member of the Nuttall Ornithological Club, out of which grew the national organization, the American Ornithologists’ Union. Brewster served as President of the American Ornithologists’ Union from 1895 to 1898, and the organization has awarded a medal in Brewster’s name since 1921.

Brewster’s ornithological studies covered the United States, although he worked most extensively in New England. Brewster was a Curator of Ornithology in the Harvard University Museum of Comparative Zoology from 1885 to 1902, continuing to work in the MCZ until his death in 1919. He deposited his bird specimen collection in the MCZ and his associated works such as his journals, diaries, correspondence and some photographic works in the Ernst Mayr Library & MCZ Archives. Brewster’s extensive specimen collection, in combination with his large body of published work, secures his place in ornithological history.

On 5 June 1834, avid amateur botanist Hardy Bryan Croom wrote a letter to botanist John Torrey describing a gymnosperm tree in northern Florida that he was struggling to identify. In this letter, he postulated—with some degree of confidence—that the tree was Taxus baccata, the common yew, and he hoped to acquire some specimens to send to Torrey for investigation.

Torrey was one of the most important 19th century botanists in America. He corresponded with hundreds of scientists in North America and Europe, many of whom sent him specimens from their various explorations for study and identification. As such a well-respected expert and advisor on botanical science, it comes as no surprise that Croom sought Torrey’s expertise regarding this mysterious Florida tree.

The next year, in a letter dated 18 November 1835, Croom wrote again to Torrey, stating:

“The letter which I wrote last summer has had the effect to procure me some perfect fruit of that remarkable Taxoid tree at Aspalaga. The result surprises me. It is an ovate one celled nut entirely enclosed in fleshy covering! as large as a pigeon’s egg! Calix imbricated; thus agreeing neither with Taxus nor with Podocarpus. Besides, the tree, I think, is dioecious, but of this I am not yet certain. What will you do with it? Will it make a new genus?”

The following year, Croom again wrote to Torrey in a letter dated 18 May 1836 that he had determined that the tree represented a new genus. He proposed the genus name Torreya and provided a description and habitat details for “this fine tree,” for which he remarked:

“It is so abundant about Aspalaga (especially on Flat Creek) as to have been sawed into plank and lumber. It is an elegant tree with dark green foliage.”

With this letter, Croom provided the first recorded description of the habitat and abundance of the Florida nutmeg, Torreya taxifolia.

Sadly, Croom and his family drowned in a shipwreck in the Atlantic Ocean near Cape Hatteras on 8 October 1837. As such, Torrey arranged that the new genus and species were formally named and described by botanist George Arnott Walker-Arnott in 1838.

While Croom characterized Torreya taxifolia as abundant in 1836, today the species is critically endangered. With a distribution restricted to the limestone ravines and bluffs along the Apalachicola River in northern Florida and southern Georgia, fewer than a thousand individual trees persist in their native habitat. The most significant threat to the species is continued reproductive failure resulting from fungal pathogens—a threat which is continuing but not well-understood.

We often think of natural history libraries serving as memorials for lost species, animals like the passenger pigeon and the dodo living on only in books, photos, and illustrations that tell sad cautionary tales of once-abundant populations lost to overhunting or habitat destruction.

However, such records also tell stories of hope, providing valuable resources for modern scientists working to protect threatened wildlife. Since it was founded in 2006, BHL’s historical documents have supported the work of conservationists devoted to saving everything from Caribbean mammals to rare wetland plants. Not only are accessible records that describe the historic ranges, populations, and other characteristics of a species essential for researchers, but they help remind the public of how vibrant historical ecosystems were—and the importance of protecting what is left.

“The real advantage of BHL is keeping our ecological memory intact, and not allowing us to collectively forget how beautiful, wild, and diverse ecosystems of the past were,” wrote historical ecologist Dr. Joshua Drew in a blog post from BHL’s 2020 Earth Optimism campaign. “If we succumb to this collective amnesia, we risk setting our conservation bar too low and allowing the dulling of our natural environments to continue without even recognizing our losses.”

As part of BHL’s Earth Optimism series, we’re sharing the conservation success stories of four bird species, all prominently featured in the BHL collection, whose impending losses were reversed through the efforts of concerned citizens and researchers.

Feathers have been used in fashion throughout history, but the trend became more widespread from the late 18^th century when the Industrial Revolution made luxuries more available to the masses. In the 19^th century, new technology improved the speed of production and the millinery industry boomed. Hats with feathers became a status symbol coveted by a new mass market and were produced on an industrial scale.

Birds were hunted around the world to supply plumes to centres of fashion such as London and New York. In 1886, American Museum of Natural History’s ornithologist, Frank Chapman, infamously observed on a walk in New York some 40 native bird species on women’s hats, some with an entire stuffed bird attached. Indeed, women were oft blamed for the trend: in The Ibis in 1887, women were pointed to as “the indirect, but real, instigators of this slaughter”. The author continues: “all that can be hoped for is that the freaks of feminine vanity may take some other and less harmful direction.”