
Male and female barn owl (Strix flammea) with ground squirrel. From John James Audubon’s Birds of America, 1833.

Male and female barn owl (Strix flammea) with ground squirrel. From John James Audubon’s Birds of America, 1833.

Circulatory system (left) and nervous system. The American Museum of Natural History : pictorial guide. 1967.



Lymphatic vessels and glands of the human neck and thorax. Lithograph by Nicolas Henri Jacob, 1854.


The Great Red Dragon; or, The Master-Key to Popery
Anthony Gavin, formerly one of the Roman Catholic priests of Saragossa, Spain
Boston: Samuel Jones, 1854.


Phyllodesmium serratum
Phyllodesmium serratum is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae. The distribution of Phyllodesmium serratum includes Australia and Japan. The length of the slug is usually 10–25 mm, but its length can reach up to 40 mm. Phyllodesmium serratum feeds on soft corals.
photo credits:
Steve Childs