INDEX 



429 



" SUme-fungi/' 13 



Slipper-animalcules, 26-8 



Sloth, 327-8 



Slug, 108-10 



Smelt, 232 



Snail, 107-10 ; Garden, 99 ; Mexican, 

 99 ; Violet, 1 1 5 



Snake, 256-60; Grass, 259; Innocuous, 

 256 ; Venomous Colubrines, 256 ; 

 Viperiform, 256 



Snake-bird. (See Darter.) 



Snake-head, 237 



Snapping Turtle. (See Terrapin, Alli- 

 gator.) 



Snow jeopard, 382 



Solan Goose. (See Gannet.) 



Solenopsis, 169 



Somateria mollissima, 299 



Sovicidce, 391 



Sparrow, 270, 313 



Spatangoidea, 70 



Spatula clypeata, 299 



Speotyto cunicularis, 307 



Spermophiles. (See Gopher.) 



SphingidcB, 147 



Sphyrnidce, 217 



Spider, 128-38; Banded, 130; Bird- 

 eating, 136 ; Garden, 129 ; Harvest, 

 137 ; Labyrinth, 135 ; Reaping, 133 ; 

 Line, 135; Mygale, 136; Orb- 

 weaver, 129, 131, 134; Tailed, 130; 

 Tarantula, 136; Trap-door, 135; 

 Tree, 136; Triangle, 134; Water, 

 136; Wolf, 131 



Spider Monkey, 405 



Spinachia vulgaris, 228 



Sponge, 30-8 ; Boring, 36 ; Fresh- 

 water, 36 ; Glass Rope, 35-6 ; Horny, 

 or Bath, 36 ; Horse, 37 ; Lace, 36 ; 

 Levant Lappet, 37 ; Neptune's Cup, 

 36 ; Sea-Kidney, 36 ; Slime, 35 ; 

 Sycon, 31-3 ; Turkey, 37 ; Venus 

 Flower Basket, 35-6 



Spongia coalita, 30-1 



offtcinalis, 37 



Spongin, 34 



Spoonbill, 298 



Sporozoa, 14-8 



Sprat, 230 



Squatarola helvetica, 293 

 Squilla mantis, 123 

 Squirrel, 385 ; Flying, 385 

 " Squirrel' s-tail," hydroid, 45 

 Staphylinidat, 160 

 Staphylinus maxillosus, 160 



olens, 1 60 



Starfishes, 60-5 ; Bird' s Foot, 64 ; But- 



thorn, 64 ; Common, 60-3 ; Gibbous, 



63 ; Lingthorn, 64 ; Purple Sun, 63 ; 



Rosy Cribrella, 64 ; Sun, 65 

 Starling, 270 



Steenstrup, on Polyzoa, 91 

 Steganopodes, 286 

 Steinbok, 364 



Steller, his account of the Manatee, 343 

 Stenamma, 169 

 Stenogyra decollata, 109 

 Stephanocerus, So 

 Stickleback, Three-spined, 227 ; Fif- 



teen-spined, 228 

 Stoat, 373 

 Stomapoda, 123 

 Stonechat, 311 

 Stork, 273 ; Adjutant, 298 ; White, 



297 



Striges, 307 

 StrigidcB, 306 

 Strix flammea, 308 

 Strombida, 99-102 

 Struthiones, 277 

 Sturgeon, 223-4 

 Stylasters, 45-6 

 Suberites, 37 

 Sugar squirrel, 324 

 Sula bassana, 286 

 Sun-fishes, 229, 237 

 Surra, disease affecting horses in India, 



i, 24, 185 



Swainson, on Marmosets, 403 

 Swallow, characteristics of , 314 ; migra- 

 tion of, 269 ; nests of, 273 

 Swan, 273 ; Bewick's, 298 ; Black, 298; 



Black-necked, 299 ; Mute, 298 ; 



Whistling, 298 

 Swift, 308 



Sycon gelaiinosum, 31-3 

 Symbiosis, examples of, 11-2, 37, 51, 



121, 160, 168 



