First Book of ZoölogyD. Appleton, 1875 - 190 pagini |
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Pagina x
... PARTS OF AN INSECT True Insects or Hexapods , Mouth - parts , 55 ; Antennæ , Eyes , 56 , 57 ; Regions of Body , 58 ; Wings , 59 , 60 ; Position of Wings , 61 ; How to Spread the Wings , 62 ; Beetle spread , 63 ; Abdomen , 63 , 64 ...
... PARTS OF AN INSECT True Insects or Hexapods , Mouth - parts , 55 ; Antennæ , Eyes , 56 , 57 ; Regions of Body , 58 ; Wings , 59 , 60 ; Position of Wings , 61 ; How to Spread the Wings , 62 ; Beetle spread , 63 ; Abdomen , 63 , 64 ...
Pagina xi
... Parts of a Spider , 110 ; Mouth Parts and Eyes , 111 ; Spinnerets , 112 ; Legs , 113 ; Habits of some , 114 ; Net Building , 115 ; Ballooning Spiders , 116 , 117 ; Egg Cases , Young Spiders , 117 , 118 , Care for the Young , 119 , 120 ...
... Parts of a Spider , 110 ; Mouth Parts and Eyes , 111 ; Spinnerets , 112 ; Legs , 113 ; Habits of some , 114 ; Net Building , 115 ; Ballooning Spiders , 116 , 117 ; Egg Cases , Young Spiders , 117 , 118 , Care for the Young , 119 , 120 ...
Pagina 17
... mouth is lined by a membrane having upon it rows of little points which enable the snail to rasp and grind its food . These parts FIG . 20 .-- JAW , OR BUCCAL PLATE OF A LAND SNAIL , HIGHLY MAGNIFIED .-- ( It can just be discerned ...
... mouth is lined by a membrane having upon it rows of little points which enable the snail to rasp and grind its food . These parts FIG . 20 .-- JAW , OR BUCCAL PLATE OF A LAND SNAIL , HIGHLY MAGNIFIED .-- ( It can just be discerned ...
Pagina 18
... mouth open , and a glistening tongue appear , as the snail laps up the scum which forms upon the surface of the ... parts plainly that could not otherwise be seen , were they drawn natural size , that is , a size corresponding to the ...
... mouth open , and a glistening tongue appear , as the snail laps up the scum which forms upon the surface of the ... parts plainly that could not otherwise be seen , were they drawn natural size , that is , a size corresponding to the ...
Pagina 19
... mouth - parts , creeping disk , and other features , are quite similar to the land snails already studied . a b 100 FIG . 22 .-- A NAKED LAND SNAIL , OR SLUG , FULLY EXPANDED .-- ɑ , Mantle ; b , Breathing- Orifice . 18. On the approach ...
... mouth - parts , creeping disk , and other features , are quite similar to the land snails already studied . a b 100 FIG . 22 .-- A NAKED LAND SNAIL , OR SLUG , FULLY EXPANDED .-- ɑ , Mantle ; b , Breathing- Orifice . 18. On the approach ...
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Termeni și expresii frecvente
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