The American Naturalist, Volume 6Essex Institute, 1872 |
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Página 5
... present position . Whether this is so or not , has not yet been ascertained by direct observa- I expect to find it so throughout the temperate and cold zones of the southern hemisphere , with the sole exception of the present glaciers ...
... present position . Whether this is so or not , has not yet been ascertained by direct observa- I expect to find it so throughout the temperate and cold zones of the southern hemisphere , with the sole exception of the present glaciers ...
Página 6
... present extent by the continued encroachment of the ocean in the same manner as the northern shores of South America and of Brazil have been . THE BLIND FISHES OF THE MAMMOTH CAVE AND THEIR ALLIES . * BY F. W. PUTNAM . THE blind fish of ...
... present extent by the continued encroachment of the ocean in the same manner as the northern shores of South America and of Brazil have been . THE BLIND FISHES OF THE MAMMOTH CAVE AND THEIR ALLIES . * BY F. W. PUTNAM . THE blind fish of ...
Página 8
... present an interesting condition of the rudimental eyes . On the left side of both a small perforation exists in the corium , which is closed by the epidermis , representing a rudimental cornea ; on the other the corium is complete ...
... present an interesting condition of the rudimental eyes . On the left side of both a small perforation exists in the corium , which is closed by the epidermis , representing a rudimental cornea ; on the other the corium is complete ...
Página 13
... present data , consider the family containing Amblyop- sis as more nearly allied to the Cyprinodontes , or our common minnows having teeth on the jaws , than to any other family , differ- ing from them principally by the structure of ...
... present data , consider the family containing Amblyop- sis as more nearly allied to the Cyprinodontes , or our common minnows having teeth on the jaws , than to any other family , differ- ing from them principally by the structure of ...
Página 22
... present as in that species . In the genus Chologaster † we have all the family characters as well expressed as in the blind species , though it differs from Am- * A Synopsis of this family with descriptions of the four species will ...
... present as in that species . In the genus Chologaster † we have all the family characters as well expressed as in the blind species , though it differs from Am- * A Synopsis of this family with descriptions of the four species will ...
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Palavras e frases frequentes
abundant allied Amblyopsis AMER American angular aperture animal appear arrowheads Asa Gray base birds blind fish bones Botany cave cells character collection color common coral Cretaceous crustaceans described Devonian diameter edge eggs Elliott Coues elytra epidermis eyes fact fauna feet female figured flowers fossil genera genus geology give glacial glass habits head hundred inches Indian insects interesting islands jasper Journal known Lake larva larvæ leaves length lens less male Mammoth Cave Mass ment microscope miles mountains Natural History NATURALIST nearly nest North noticed O. C. Marsh object observed obtained ornithology pamph paper peculiar Plains plants plate portion prairies present probably Prof region remarks represented River rocks says scientific seems seen side South sparrow species specimens stomata stone streams surface tail tion trees valley vegetation wings Wyandotte Cave Zoology