Cover illustration. More than black and white.
University of California Davis, 4860 Y Street, Sacramento, CA 95817, USA. irschwab@ucdavis.edu
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D000818:Animals; D005075:Biological Evolution; D005123:Eye / Q000033:anatomy & histology*; D009799:Ocular Physiological Phenomena; D010781:Photography; D012860:Skates, Fish / Q000033:anatomy & histology / Q000502:physiology*