The American Naturalist, Volume 6Essex Institute, 1872 |
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Página viii
... Dry or Immersion , p . 563 . Angular Aperture of Objectives , p . 564. Organisms in Croton Water , p . 565. Distribution and Action of Nerves , p . 565. Crystalline Forms in Glass , p . 569. The Leucocytes , p viii CONTENTS OF VOLUME VI .
... Dry or Immersion , p . 563 . Angular Aperture of Objectives , p . 564. Organisms in Croton Water , p . 565. Distribution and Action of Nerves , p . 565. Crystalline Forms in Glass , p . 569. The Leucocytes , p viii CONTENTS OF VOLUME VI .
Página ix
in Glass , p . 569. The Leucocytes , p . 569. Spontaneous Generation , p . 570. Successive Polarization of Light , p . 638. A Double Erecting Binoc- ular , p . 639. Angular Aperture of the Eye , p . 639. Classification of Microscopic ...
in Glass , p . 569. The Leucocytes , p . 569. Spontaneous Generation , p . 570. Successive Polarization of Light , p . 638. A Double Erecting Binoc- ular , p . 639. Angular Aperture of the Eye , p . 639. Classification of Microscopic ...
Página 18
... glass . Irregularly arranged muscular bands are attached to the exterior of the globe ( a , a , a , a ) , but were not recognized as the homologues of the muscles of the normal eye of fishes ; nevertheless , they indicate that the globe ...
... glass . Irregularly arranged muscular bands are attached to the exterior of the globe ( a , a , a , a ) , but were not recognized as the homologues of the muscles of the normal eye of fishes ; nevertheless , they indicate that the globe ...
Página 31
... glass may be screwed . A more ele- gant but scarcely more satisfactory arrangement is an adapter with sliding - tube adjustment which varies to the extent of an inch or more the distance between the erector and objective . Differ- ent ...
... glass may be screwed . A more ele- gant but scarcely more satisfactory arrangement is an adapter with sliding - tube adjustment which varies to the extent of an inch or more the distance between the erector and objective . Differ- ent ...
Página 60
... glass , and where a differ- ence exists in either we must keep in mind that we are comparing different things , and not the same things with differing qualities . " The estimation of any angular aperture , so well expressed by “ B ...
... glass , and where a differ- ence exists in either we must keep in mind that we are comparing different things , and not the same things with differing qualities . " The estimation of any angular aperture , so well expressed by “ B ...
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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