The American Naturalist, Volume 6Essex Institute, 1872 |
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Página 7
... portion in such a way , by an opaque horizontal line , as to give the effect of two pupils , by which the fish probably sees as well when follow- ing its prey on the surface with its eyes out of water , as when under water . But it is ...
... portion in such a way , by an opaque horizontal line , as to give the effect of two pupils , by which the fish probably sees as well when follow- ing its prey on the surface with its eyes out of water , as when under water . But it is ...
Página 8
... portion adherent to the corneal spot above mentioned ; there is a lining of pigment . It is scarcely collapsed in one , in the other so closely as to give a tripodal section . Here we have an interesting transitional condi- tion in one ...
... portion adherent to the corneal spot above mentioned ; there is a lining of pigment . It is scarcely collapsed in one , in the other so closely as to give a tripodal section . Here we have an interesting transitional condi- tion in one ...
Página 10
... portion of the optic lobes than is the case in L. subterraneus . The Cuban blind fish has the body , cheeks and opercular bones covered with scales . As in Amblyopsis the eyes exist , but are so Fig . 1 . Blind Fish ( Stygicola dentatus ) ...
... portion of the optic lobes than is the case in L. subterraneus . The Cuban blind fish has the body , cheeks and opercular bones covered with scales . As in Amblyopsis the eyes exist , but are so Fig . 1 . Blind Fish ( Stygicola dentatus ) ...
Página 16
... portion of the body above ends in a semi- circular edge covering the space between the upper ends of the opercula . The skin covering the middle region of the head is smooth , but on either side is provided with numerous 16 THE BLIND ...
... portion of the body above ends in a semi- circular edge covering the space between the upper ends of the opercula . The skin covering the middle region of the head is smooth , but on either side is provided with numerous 16 THE BLIND ...
Página 20
... portion of the United States . Prof. Cope obtained specimens from the Wyandotte Cave and from wells in its vicinity , and in the Museum of Comparative Zoology at Cambridge there is a specimen labelled " from a well near Lost River ...
... portion of the United States . Prof. Cope obtained specimens from the Wyandotte Cave and from wells in its vicinity , and in the Museum of Comparative Zoology at Cambridge there is a specimen labelled " from a well near Lost River ...
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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