INDEX. 



Ill 



Cilia, of Paramcecium, 9 ; of 



Wheel-animalcule, 21. 

 Ccelenterata, characters of, 105. 

 Crotalus {see Rattlesnake). 

 Crustacea, 27 ; characters of, 34. 

 Cuttle-fishes, 71. 



Digestive systena, of Paramceci- 

 um, 10 ; oiHydra, 13 ; oi Actinia, 

 16 ; of Star-fish, 20 ; of Wheel- 

 animalcule, 22 ; of Leech, 26 ; 

 of Lobster, 33 ; of Spider, 38 ; 

 of Centipede, 41 ; of Dragon- 

 fly, 44 ; of Flustra, 49 ; of As- 

 cidia, 53 ; of Terebratula, 56 ; 

 of Mija, 60 ; of Whelk, 67 ; of 

 Hyalea, 70 ; of Calamary, 73 ; 

 of Perch, 80 ; of Frog, 85 ; of 

 Rattlesnake, 91 ; of Goose, 96 ; 

 of Dog, 102. 



Dog, form of, 99 ; hairs of, 99 ; 

 skull of, 100; jaws of, 100; 

 teeth of, 100 ; backbone of, 

 101 ; limbs of, 102 ; digestive 

 system of, 102 ; blood of, 103 ; 

 heart of, 103 ; breathing-organs 

 of, 103 ; nervous system of, 103. 



Dorsal fin of Perch, 78. 



Dragon-fly, head of, 42 ; eyes of, 

 42 ; jaws of, 43 ; thorax of, 44 ; 

 wings of, 44 ; abdomen of, 44 ; 

 digestive system of, 44 ; heart 

 of, 45 ; breathing -organs of, 

 45 ; nervous system of, 45 ; met- 

 amorphosis of, 45, 46 ; habits 

 of, 46. 



EcMnodermata, 17 ; characters 

 of, 20. 



Eosj)hora {see Wheel-animalcule). 



Eyes, oi Actinia, 16 ; of Star-fish, 

 20 ; of Wheel-Animalcule, 23 ; 

 of Leech, 26 ; of Lobster, 31 ; 

 of Spider, 36 ; of Centipede, 

 39 ; of Dragon-fly, 42 ; of As- 

 cidia, 52 ; of Whelk, 65 ; of 

 Calamary, 71 ; of Perch, 81 ; 

 of Frog, 86 ; of Rattlesnake, 

 89 ; of Goose, 96. 



Feathers of Goose, 94. 



Feet of Star-fish, 19. 



Fins of Perch, 77. 



Flustra, form of, 47 ; cells of, 47- 

 49 ; tentacles of, 49 ; digestive 

 system of, 49 ; nervous system 

 of, 50 ; habitat of, 50. 



Foot, of Mya, 57 ; of Whelk, 65. 



Foot-jaws, of Lobster, 31 ; of 

 Centipede, 39. 



Fresh-water Polype (see Hydra). 



Frog, development of, 83, 84 ; 

 form of, 84 ; skin of, 85 ; mouth 

 and tongue of, 85 ; heart of, 

 86 ; breathing -organs of, 86; 

 nervous system and sense-or- 

 gans of, 86 ; skeleton of, 87 ; 

 habits of, 87. 



Gaper (see Mya). 



Gasteropoda, 64 ; characters of, 

 69. 



Gill-cover of Perch, 81. 



Gills, of Lobster, 33 ; of Mya, 

 59 ; of Whelk, 67 ; of Calamary, 

 74 ; of Perch, 80 ; of Tadpole, 

 86. 



Gizzard of Goose, 96. 



Goose, form of, 93 ; feathers of, 

 94 ; hind limb and foot of, 95 ; 

 eyes of, 96 ; beak of, 96 ; diges- 

 tive system of, 96 ; heart of, 

 96 ; lungs of, 97 ; nervous sys- 

 tem of, 97 ; skeleton of, 97 ; 

 habits of, 97, 98. 



Head, of Lobster, 29 ; of Spider, 

 35 ; of Centipede, 39 ; of Dra- 

 gon-fly, 42. 



Head-shield of Lobster, 31. 



Heart, of Lobster, 33 ; of Spider, 

 38 ; of Centipede, 41 ; of Dra- 

 gon-fly, 45; of Ascidia, 53; of 

 Mya, 60 ; of Whelk, 67 ; of 

 Calamary, 74 ; of Perch, 81 ; of 

 Frog, 86 ; of Rattlesnake, 91 ; 

 of Goose, 96 ; of Dog, 103. 



Homarws (see Lobster). 



Hom-wrack (see Flustra). 



Hyalea, shell of, 69 ; fins of, 70 ; 

 digestive system of, 70 ; heart 

 and breathing-organs of, 70; 



