Index and Glossary. 



127 



coc 



Coccygomorfifue, the cuckoo order 

 of birds, 64 



Coccyx, the rudimental tail in the 

 higher mammals. 



Cockatoos, 64 



Cod, 17, 18, 29 



Collocalia, the swallow which se- 

 cretes the 'edible bird's nest,' 65 



Colobus y 120 



Colossochelys, a giant extinct tor- 

 toise, 51 



Colubrine snakes (non-poisonous), 

 46 



Concentration of segments charac- 

 teristic of vertebrates, 10 



Condyles, knobs of bone by which 

 one bone forms a joint with an- 

 other, 38 



Contour feathers, the strong quill- 

 feathers on the surface of a bird, 53 



Coots, 71 



Coracoid bone, one of the bones of 

 the fore part of the shoulder- 

 girdle, 56, 79 



Coral snake, 48 



Cormorants, 73 



Corncrake, 71 



Corpuscles, microscopical bodies 

 found floating in blood. 



of blood in amphib a, 36 



birds, 61 



iishes, 22 



Corvidte, the crow family, 67 



Cows, 97 



Coypu, 109 



Cranes, 71 



Craniota, skull-bearing vertebrates, 



Cranium, the skull of a vertebrate 



animal, 7 

 Crocodilia, 51 

 Crows, 67 

 Ctenoid scales, fish-scales with a 



comb-like hinder edge, 14 

 Cuckoos, 64 

 Ciir^ica, black-caps, 67 

 Cuticle, the outer layer of the skin. 

 Cycloid scales, thin bony fish-scales 



with a smooth rounded margin, 



13 



P)AB, flat-fish, 30 



*- / Dasypeltis, snake, teeth in the 



gullet of, 48 

 Dasyurus, Tasmanian devil, 81 



EEL 



Dasypus, armadillo, 87 

 Deer, 98 



Dental formulae, 77 

 formula of cat, 103 



dog, 103 



horse, 91 



kangaroo, 84 



man, 78 



marsupials, 84 



pig, 94 



ruminants, 98 



seal, 102 



sloths, 89 



Tasmanian devil, 77 



Dentine, the ivory substance o' 



teeth, 13, 25 

 Dentition, the arrangement of teeth 



in an animal. 

 Dennis, or true skin, of fishes, 12 



rei tiles, 40 



Diaphragm, the muscular partitior 



between the cavity of the chesi 



and that of the abdomen, 60, 78 

 Digestive system of birds, 58 



frogs and tadpoles, 36 



^ sharks, 25 



Diphycercal tails, tails in fishes 



with an even marginal fringe of 



fin rays. 

 Dipnoi, fishes whose swimming 



bladder acts as a breathing organ, 



Diprotodon, giant fossil kangaroo, 



84 

 Dipus, the jerboas, or jumping rats, 



109 

 Dodo, the extinct gigantic pigeon of 



Madagascar, 69 

 Dog, 103 

 Dog-fishes, 15, 26 

 Dolphin, 101 

 Domestic fowl, 70 

 Dormouse, 108 

 Dorsal fin, 14 

 Doves, 69 

 Dragon, 43 

 Ducks. 72 

 Dugong, 89 



RAGLES, 68 



*-* Ear passage, nature of, 8 



Echidna, the spiny anteate < 



Australia, 79 



Edentata, toothless mammals, 85 

 Edible birds' nests, 65 

 Eels, 28 



