First Book of ZoölogyD. Appleton, 1875 - 190 páginas |
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Página xi
... CRABS , HERMIT - CRABS , AND OTHER CRUSTACEANS 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 ...
... CRABS , HERMIT - CRABS , AND OTHER CRUSTACEANS 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 ...
Página 136
... crab carrying its eggs glued to the appendages on the under surface of the abdomen . Pupils . having access to lobsters in the markets , will , by looking over them , find some specimens in which the eggs are being carried in this way ...
... crab carrying its eggs glued to the appendages on the under surface of the abdomen . Pupils . having access to lobsters in the markets , will , by looking over them , find some specimens in which the eggs are being carried in this way ...
Página 138
... CRABS , HERMIT - CRABS , AND OTHER CRUSTACEANS . 128. THE class of animals to which the crawfish and lobster belong is called Crustacea , a name derived from a Latin word , crusta , meaning a crust , or the shell with which the animals ...
... CRABS , HERMIT - CRABS , AND OTHER CRUSTACEANS . 128. THE class of animals to which the crawfish and lobster belong is called Crustacea , a name derived from a Latin word , crusta , meaning a crust , or the shell with which the animals ...
Página 139
... crab may be studied and compared with the lobster . It will be found that the crab has the large claws , little legs ... CRABS , HERMIT - CRABS , AND OTHER CRUSTACEANS . 139.
... crab may be studied and compared with the lobster . It will be found that the crab has the large claws , little legs ... CRABS , HERMIT - CRABS , AND OTHER CRUSTACEANS . 139.
Página 140
... crab : A B о t FIG . 129. - A , a few Eggs from a Common Crab , enlarged ; B , Single Egg greatly enlarged , showing more plainly the hardened Thread t , by which they are attached to each other . This Egg shows the young crab just ...
... crab : A B о t FIG . 129. - A , a few Eggs from a Common Crab , enlarged ; B , Single Egg greatly enlarged , showing more plainly the hardened Thread t , by which they are attached to each other . This Egg shows the young crab just ...
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Palavras e frases frequentes
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