Image
from article Galliformes
White-tailed ptarmigan (Lagopus leucurus), Glacier National Park, Montana. (Photo by Gerald and Buff Corsi, copyright © California Academy of Sciences)
Search Results
Search Results
Refine this search
Search result paging links
2,869 results
Image
from article Echinoida
Tripneustes ventricosus (Lamarck), tropical eastern and western Atlantic, found at depths of 0–55 m (0–180 ft). (From G. Hendler et al., Sea Stars, Sea Urchins and Allies: Echinoderms of Florida and the Caribbean, Smithsonian Press, Washington, DC,…
Image
from article Echinoida
A pyramid from Aristotle's lantern, showing epiphyses joined and tooth with keel. (After H. L. Hawkins, The lantern and girdle of some Recent and fossil Echinoidea, Philos. Trans. R. Soc. Lond. Ser. B, 223:617–649, 1934)
Image
from article Echinoida
An ambulacral plate from the test, with the lowest element being the largest. (After T. Mortensen, A monograph of the Echinoidea: Camarodonta, C. A. Reitzel, Copenhagen, 1943)
Image
from article Animal virus
Electron micrograph of negatively stained, purified bovine papilloma virions with icosahedral symmetry. (Credit: David Hill and John P. Sundberg)
Image
from article Animal virus
Electron micrograph of a thin section of chicken cells containing crystalline inclusion bodies formed by an avian reovirus during infection. (Credit: David Hill and John P. Sundberg)
Image
from article Paramecium
Photomicrograph of Paramecium caudatum. (Credit: Nancy Nehring/Getty Images)
Image
from article Heterodonta
Common heterodont bivalves. (Credit: Ronald V. Dimock, Jr.)
Image
from article Heterodonta
Common heterodont bivalves. (Credit: Ronald V. Dimock, Jr.)
Image
from article Aye-aye
Aye-aye (Daubentonia madagascariensis). (Photograph by Urs Thalmann, Anthropological Institute, University of Zürich)
