Index and Glossary. 



133 



ROB 



Robin, 69 



Rodentia, 106 



Roebuck, 98 



Rollers, 64 



Rook, 67 



Ruminant ia, animals which chew 



the cud, 94 

 Ruminating, 95 



CABLE, 104 



^ Sacrum, the united vertebrae 



which enter into the pelvis, 75 

 Saith, fish, 29 

 Salamander, 38 

 Salicaria, warblers, 67 

 Salmon, 28 

 Sawfish, 26 

 Scales of amphibians, 39 



fishes, 12, 25, 28, 29, 32 



reptiles, 43 



Scapulars, feathers on the shoulder, 



Sclerotic plates, 61 



Scopelidae, accessory eyes of, 29 



Scraping birds, 70 



Screw propeller, principle of, 12 



Sea-cows, 89 



Sea-horses, 32 



Seals, 101 



Sebaceous glands, 74 



Segments of skull, 7 



body, 10 



Segmental ducts, 10 

 Seltuhia, sharks, 24 

 Semnopitheci, 120 

 Sense organs in tadpoles, 36 



6, 15 



Shape of fishes, 12 

 Sharks, 7, 13, 17, 24, 25 



external gills of, 39 

 Sheep, 98 



Shrews, 115 



Sieboldia, giant salamander, 39 



Siren, mud-eel, 38 



Sirenia, sea-cows, 89 



Skate, 26 



Skeleton of bird, 55 



1 frog, 37 



lepidosiren, 10 



mammals, 75 



sole, 15 

 tortoise, 50 



Skin, action of, in respiration, 10 



of amphibia, 34 

 Skull, 6 



of amphibian, 36 



TEA 



Skull of bird, 55 



elephant, no 



fishes, 17, 18 



mammal^ 75 



reptile, 41 



Skunk, 104 



Slits, visceral, 3-6 



Sloth, 75, 88 



Smell, 20 



Snake-like lizards, 43 



Snakes, 44 



Snipe, 72 



Sole, 15-29 



Song thrush, 66 



Spalax, the blind rat-mole of S. 

 Europe, 109 



Sparrow, 67 



Species of fish, number of, 22 



Spermaceti, 101 



Sperm whales, 101 



Spider monkeys, 119 



Spiral valve in shark's intestine, 25 



Spoonbills, 72 



Squirrels, 108 



Stag, 98 



Starling, 67 , 



Steganopodes, pelicans and cormo- 

 rants, whose fourth toe is included 

 in the web, 72 



Stickleback, 31 



Stomach of camel, 96 



ruminant, 95 



sheep, 95 



whales, ico 



Storks, 71 



Strigops, the New Zealand ground 

 parrot, 64 



Sturgeons, 17, 27 



Sucking fishes, 31 



Sunbirds, 68 



Sunfish, 32 



Swans, 72 



Swifts, 65 



Swimming bladder in fishes, 22, 29 



Swordfish, 33 



Syhna, wood warblers, 67 



Syrinx, the organ of voice in birds, 

 61 



TADPOLE, 36-38 

 A Tails, 9, 15, 19, 78, lox 

 Tapirs, 91 

 Tarsius, 114 

 Tasmanian devil, 77, 8z 

 wolf, Si 

 Teal, 74 



