34 



INDEX 



References are to pages 



Salmon, example of bony fish . 



in hatcheries 



landlocked, eggs of (fig.) . . 



value of as food 



Salt, a fundamental taste . . 



common, scientific name of 



use of in preserving meat . . 



Salt rising bread 



Salts in food 



Salvia flower (fig.) .... 

 Sand swallow, nest of . . . 



Sand worm 



San Jose scale, an injurious 



insect 



Sap, flow of, in spring .... 



Sap conducted laterally by 



medullary rays .... 



Sap tubes affected in bean 



blight 



Saprophytes, group of fungi . 

 Sardines, example of bony fish 

 Savory, member of. mint family 

 Sawdust, adulterant .... 

 Saw-fly, horn-tailed (fig.) . . 

 Scale insects, spray for . . . 

 Scale-like leaves of cedar 



Scales, of fish (fig.) 



modifications of skin . . . 

 Scales of staminate cone . . 

 Scallops, edible mollusks . . 

 Scarlet fever, probable cause of 

 Scars, characteristic of stem 

 Schiller on use of wine . . 

 Scholarship, effect of smoking 

 on 



effect of drink on (fig.) . . . 



Sclera 



Sclerotic coat (fig.) .... 

 Scorpions, example of Arach- 



nida 



Scouring rush 



Screech owl, a useful bird . . 



adult (fig.) 



at suet station 



Scutellum, digestive organ of 

 corn grain .... 262, 266, 



Scutes of snake 



Scyphozoa, classified .... 

 Sea-anemone, described . . . 



member of coelenterates . . . 



106 

 111 

 110 

 178 

 165 

 173 

 347 

 179 

 173 

 306 

 142 

 84 



24 



291 



291 



315 

 354 

 106 

 331 

 180 

 40 

 25 

 383 

 107 

 190 

 379 

 100 

 234 

 286 

 220 



229 

 221 

 215 

 216 



91 

 374 

 145 

 138 

 148 



280 



131 



6 



68 



63 



Sea-cucumber, member of 

 coelenterates 



Sea-fans, described 



member of coelenterates . . . 



Sea-lily, member of coelenter- 

 ates (fig.) 71 



Sealing, object of 



Sea-lions (fig.) 



Sea-plumes, described . . . 



Sea-turtle (fig.) 



Sea-urchins, classified . . . 

 members of echinoderms (fig.) 71 



Sea-weed, removal of from 

 oyster beds 



Sea-worm a true worm . . 



Secondary roots of bean . . 



Secretions of sundew, use of 



Sectional view of branch in- 

 fected with mistletoe (fig.) • 



Section through scab of pear 



(tig-) 



Seed, development of ... . 



distribution of 



of pine (fig.) 



of strawberry 



Seed-bearing plants, a group 

 of plants 



trees 



Seed bud (plumule) .... 



connection with seed leaves 



Seed coat (testa) 



Seed distribution 



Seed-eating birds . . . 147, 



bill of 



claws of 



Seed leaves, connection with 



seed bud 



Seedless plants, a group of 



plants 



Seedlings, honey locust (fig.) . 



horsechestnut (fig.) .... 



maple (figs.) ..... 279, 



wheat (fig.) 



Seed-producing organs of 



pine 



Seeds, of berries 



changes in size made by cross 

 fertilization 



devices for distributing . . . 



food of birds 



71 

 69 

 63 



,74 

 347 

 153 

 69 

 129 

 6 

 ,74 



74 



84 



267 



390 



399 



359 

 301 

 311 

 387 

 310 



7 

 377 

 260 

 261 

 260 

 311 

 148 

 137 

 137 



261 



7 

 281 

 281 



280 

 282 



379 

 310 



311 



336 

 148 



