578 



INDEX. 



Sarcopsyllidse, 76. 

 Sarcop>syllus, 76. 

 Sarcoptes, 246. 

 Sarcoptidse, 245. 

 Soturnia, 94. 

 Saturniidse, 93. 

 Saty rinse, 84. 

 Satyrus, 88. 

 Saw-Flies, 15, 16. 

 Saxicava, 415. 

 Saxicavidse, 415. 

 Scale-Insects, 198. 

 Sealaria, 392. 

 Scalariidse, 392. 

 Scallops, 409. 

 Scaphander, 361. 

 Scaphopoda, 400. 

 Scarabseus, 142. 

 Searites, 132. 

 Schendyla, 208. 

 Sehistocerea, 181. 

 Schizochiton, 399. 

 Schizoglossa, 343. 

 Schizonotidse, 21 S. 

 ScMzonotus, 218. 

 Schizopoda, 271. 

 Schizostoma, 470. 

 Sciara, 55. 

 Scirtopoda, 447. 

 Scissurella, 396. 

 Sclerocrangon, 569. 

 Sclerothamnus, 539. 

 Scobiculariidee, 413. 

 (S'coZia, 33. 

 Scoliidse, 32. 

 Scolopcndra, 206. 

 Scolopendrclla, 208. 

 Scolopendridse, 206. 

 Scolopocryptopidee, 206. 

 Scolytidse, 152. 

 Scorpio, 215. 

 Scorpion-Flies, 162. 

 Scorpionidse,, 215. 

 Scorpions, 204, 214. 

 Scotoplana, 313. 

 Scrobicularia, 413. 

 Scutellera, 188. 

 Scutibrancliiata, 394. 

 Scutigera, 205. 

 Scwtigeridse, 205. 

 Scutum, 397. 

 Scylleea, 356, 359. 

 Scyllaridse, 263. 

 Scyllaridea, 262. 

 Scyllarus, 263. 

 Scyphistoma, 495. 

 Scyphomedusm, 492. 

 Sea-Anemones, 474, 495. 

 Sea- Cucumbers, 312. 

 Sea-Fans, 514. 

 Sea-Hares, 363. 

 Sea- Mats, 420, 422. 

 Sea- Mouse, 433. 

 Sea- Pens, 511. 

 Sea-Slater, 276. 

 Sea-Spiders, 248. 

 Sea-Urchins, 308. 

 Segestria, 227. 

 Sclenocosmiinm, 225. 

 Semifusus, 376. 

 Semperella, 539. 

 /Sfepm, 337. 



Sepiidee, 337. 

 Sepiola, 336. 

 Sepiolidse, 336. 

 Septibranchiata, 418. 

 Sergesti.dse, 271. 

 Sericostomatidse, 162. 

 Serolidce, 274. 

 Serolis, 274. 

 Serpula, 438. 

 Serpulidse, 437. 

 Sesiidse, 100. 

 Shelled Slugs, 343. 

 Shell-Fish, 320.^ 

 Ship-Worm, 417. 

 Shrimps, 268. 

 Sialidse, 163. 

 Sialis, 163. 

 Sicyonis, 502. 

 Silk-Spinners, 95. 

 Silk- Worm, 95. 

 &ftpAa, 138. 

 Silphidse, 137. 

 Silver-Fish, 203. 

 Simulia, 58. 



Single-Rayed Sponges, 541. 

 <S^o, 376. 

 Siphonaria, 364. 

 Siphonariidse, 364. 

 Siphonophora, 211, 481. 

 Sipunculus, 444. 

 Sir ex, 16. 

 Siricidee, 16. 

 Sironidse, 240. 

 Sistrum, 380. 

 Sitones, 149. 

 Sitophilus, 151. 

 Six-Rayed Sponges. 536. 

 Skippers, 92. 

 Slimonia, 251. 

 Slugs, 344. 

 Smerinthus, 97. 

 Smicra, 22. 

 Snails, 345. 

 Snake-Flies, 163. 

 Snout- Moths, 118. 

 Social Wasps, 40. 

 Solcriidee, 387. 

 Solarium, 387. 

 Solenidce, 415. 

 Solcnomya, 404. 

 Solenomyidse., 403. 

 Solifugse, 235. 

 Solitary Bees, 42. 

 Solitary Wasps, 40. 

 Solpuga, 235. 

 Solpugiolee. 235. 

 Sparassus, 232. 

 Spathegastcr ; 19. 

 Spheerium, 414. 

 Sphmroma, 274. 

 Sphseromid.se, 274. 

 Sphmrotherium, 210. 

 Spihserularia, 452. 

 Sphegidse, 34. 

 Sphex, 35. 

 Sphingidse, 95. 

 Sphinx, 98. 

 Spiders, 204, 220. 

 Spider-Shells, 385. 

 Spilographia, 71. 

 Spinach-Moth, 117. 

 Spirachtha, 135. 



Spirifer, 431. 



Spiriferidse, 430. 



Spirostomum, 568. 



Spirostrcptidoe, 211. 



Spirostreptus, 212. 



Spirula, 338. 



Spirulidse, 338. 



Spisula, 413. 



Spondylidee, 410. 



Spondylus, 410. 



Spongelia, 542. 



Sponges, 526. 



Spongicola, 270. 



SpongiUidie, 544. 



Spongiobranchsea, 366. 



Sporozoa, 565. 



Squids, 328, 334. 



Squilla, 273. 



Squillidm, 272. 



Stag- Beetle, 141. 



Staghorn-Fly, 72. 



Staircase-Shells, 387. 



Standella, 413. 



Staphylinidse, 134. 



Star-Fishes, 304. 



Stauropus, 99. 



Stem Saw-Flies, 15. 



Stenopteryx, 75. 



Stentor, 567. 



Stcphalia, 483. 



Stick- Insects, 182. 



Stilbum, 26. 



St. Mark's Fly, 58. 



Stomatopoda, 272. 



Stomoxys, 68. 



Stone-Flies, 171. 



Stone-Lilies, 297. 



Strangalia, 153. 



Stratiomyidse, 61. 



Stratiomys, 61. 



Streptaxis, 343. 



Strepopomatidm, 386. 



Strcp>tocaulus, 516. 



Strcptophiurse,, 307. 



Strobila, 495. 



Strombidee, 384. 



Strombus, 385. 



Strongylidse, 453. 



Strmigylocentrotus, 310, 311, 315. 



Strophocheilus, 347. 



Struthiolariidee, 385 . 



Stylastcridse, 488. 



Styliola, 368. 



Stylocellns, 241. 



Stylogastcr, 64. 



Stylommatophora, 342. 



Stylonychia, 565. 



Stylopidse, 148. 



Submytilacca, 410. 



Succinca, 349. 



Succincidse, 348. 



Sun- Animalcules, 559. 



Surcula, 372. 



Swallow-Tails, 91. 



Swift Moth, 103. 



Sycandra, 535. 



Sycon, 536. 



Sycotyp>us, 376. 



Synapta, 312. 



Synergies, 21. 



Syngamus, 454. 



Syntomidee, 101. 



