First Book of ZoölogyD. Appleton, 1875 - 190 páginas |
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Página iii
... common animals of the country . Particular attention has been given to the lower animals , as these are more often neglected in text - books . Directions for collecting , the preparation of specimens for the cabinet , and the haunts of ...
... common animals of the country . Particular attention has been given to the lower animals , as these are more often neglected in text - books . Directions for collecting , the preparation of specimens for the cabinet , and the haunts of ...
Página vii
... common grasshopper , for example , is much better prepared to understand the general structure of the Crustacea , though he may never have seen the few forms peculiar to fresh water . In the same way after having studied the common ...
... common grasshopper , for example , is much better prepared to understand the general structure of the Crustacea , though he may never have seen the few forms peculiar to fresh water . In the same way after having studied the common ...
Página xi
... Common Crab , 139 ; Eggs , and how they carry them , 140 ; Fin - like Legs , Oyster Crab , 141 ; Hermit Crab , 142-144 ; Fresh - water Crustaceans , 144 ; Sowbug and Eggs , 145 , 146 ; Regions of Crustacea , 146 , 147 . CHAPTER XIX ...
... Common Crab , 139 ; Eggs , and how they carry them , 140 ; Fin - like Legs , Oyster Crab , 141 ; Hermit Crab , 142-144 ; Fresh - water Crustaceans , 144 ; Sowbug and Eggs , 145 , 146 ; Regions of Crustacea , 146 , 147 . CHAPTER XIX ...
Página 4
... common as the other kind , it may be that none will be found in the first collections made by the pupils . The fol- lowing is a figure of a sinistral shell : FIG . 6. - SINISTRAL SHELL . 5. If the surface of the shell be examined ...
... common as the other kind , it may be that none will be found in the first collections made by the pupils . The fol- lowing is a figure of a sinistral shell : FIG . 6. - SINISTRAL SHELL . 5. If the surface of the shell be examined ...
Página 18
... common magnifying - glass , let each pupil in turn observe its magnifying effect , by looking at a common house - fly , or the printed page of a book . If a microscope can be shown the class , it will be better still . Let it be ...
... common magnifying - glass , let each pupil in turn observe its magnifying effect , by looking at a common house - fly , or the printed page of a book . If a microscope can be shown the class , it will be better still . Let it be ...
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551 Broadway abdomen adductor animal antennæ aperture appearance appendages APPLETON attached beetle bird bivalves body bones breathe air butterfly called canker-worm caterpillar cephalo-thorax chrysalis clam claws collected common compound eyes crab crawfish crawling creature creeping disk crustaceans deposit edge eggs examine eyes flattened following figure represents foot fresh-water mussels fresh-water snails gills grass grasshopper hatch head hind-leg hinder insects jaws jointed legs labium land snails larva larvæ Let the pupils ligament lines of growth lobster mandibles mantle maxillæ metatarsus moults mouth mouth-parts muscles mussel myriopods natural nests number of segments operculum oyster pairs of legs palpi palpus portion Price Prof pupa salamander salt-water seen separate shed shell showing side siphon skin species specimens spiders spinnerets spiracles stages surface tentacles thorax thread true insects tube valves vertebral vertebral column wings worms young