INDEX 



733 



Sponges, 71. 

 Spongiaria, 71. 

 Spongidae, 84. 

 Spongilla. 81. 

 Spongillidae, 80. 

 Spongin, 72. 

 Spongioblasts, 73. 

 Spongodes, 135. 

 Sporont, 43. 

 Sporosac, 91. 

 Sporozoa, 42. 

 Spotted fever, 47. 

 Spotted fever tick, 447. 

 squamata (Amphipholis), 



637. 

 squamatus (Lepidonotus), 



285. 

 squamosus (Chiton), 490. 

 Squids, 608. 

 Squilla, 383. 

 stagnalis (Glossiphonia), 



319. 

 stagnalis (Lymnaea), 509. 

 stamineum (Sphasrium), 



586. 

 Starfish, 623. 

 Statoblast, 249. 

 Stauromedusae, 126. 

 Stauronereis, 291. 

 Steatoda, 420. 

 steenstrupi (Myxicola), 



301. 

 steini (Colacium), 32. 

 steini (Salpingoeca), 29. 

 Stella (Bunodes), 143. 

 stellata (Acanthodoris), 



502. 

 stellatum (Amaroucium), 



670. 

 stelleri (Cryptochiton), 



489. 

 stenolepis (Mysis), 383. 

 Stenophora, 44. 

 Stenostomura, 161. 

 Stentor, 59. 

 Stentoridae, 59. 

 Stephanoceros, 233. 

 Stephanochasmus, 184. 

 Stephanops, 240. 

 Stephanosphaera, 37. 

 stercoralis (Strongyloides), 



218. 

 Sternum, in scorpions, 405 ; 



in spiders, 414. 

 Sthenelais, 285. 

 Stichaster, 631. 

 Stichasteridae, 631. 

 Stichocotyle, 178. 

 Stichostemma, 212. 

 Stichotricha, 61. 

 stiedae (Eimeria), 46. 

 Stigmal plate, 444. 



Stilifer, 494. 



stimpsoni (Callianassa), 



389. 

 stimpsoni (Stylifer), 553. 

 stolli (Thyas),450. 

 Stolonifera, 134. 

 Stoloteuthis, 608. 

 Stomatopoda, 383. 

 Stomolophus, 131. 

 Stomotoca, 98. 

 Stone canal, 616. 

 Stony corals, 145. 

 strangulata (Dipurena), 96. 

 Streptoneura, 528. 

 Streptoneurous gastropod.s, 



493. 

 striatinum (Sphaerium), 



586. 

 striatum (Crucibulum),539. 

 Strigea, 188. " 

 strix (Epeira), 425. 

 Strobila, in Scyphomedsae, 



125 : in Cestodes, 189. 

 Strobilops, 517. 

 strombi (Phascolion), 276. 

 Strombidae, 548. 

 Strombidium, 60. 

 Strombus, 548. 

 stromi (Nymphon), 461. 

 stromi (Scalpellum), 360. 

 stromi (Terebellides), 295. 

 Strongylidae, 221. 

 Strongylocentrotidae, 043. 

 Strongylocentrotus, 643. 

 Strongyloides, 218. 

 Strongylus, 223. 

 Strophitus, 581. 

 Study of Animals in Amer- 

 ica, 5. 

 sturionis ( Dichelestium ) , 



350. 

 sturionis (Nitzschia), 174. 

 Sfyela, 660. 



stygia (Csecidotea), 377. 

 Stylactis, 100. 

 Stylaria, 309. 

 Stylets, 204. 

 Stylifer, 553. 

 Stylochus, 170. 

 Stylommatophora, 514. 

 Stylonychia, 63. 

 Stylotella, 84. 



subcarinata (Lioplax), 544. 

 Subchelate appendage, 363. 

 Subcuticula, 214. 

 subcylindricus 



(Porocephalus), 457. 

 subdepressus (Clypeaster), 



644. 

 Subdivisions of the Animal 



Kingdom, 9. 

 suberea (Euplectella), 77. 



Suberitos, 79. 

 Suberitidao, 79. 

 Subgenital pockets, 126. 

 subglobosus 



(Somatogyrus), 542. 

 sublata (Dictyna), 418. 

 sublevis (Lepidonotus), 



285. 

 sublevis (Rossia), 609. 

 Submytilacea, 576. 

 Subneural gland, 660. 

 subsalsus (Limnodrilus), 



311. 

 subsolidum (Campeloma), 



544. 

 subulare (Pleurocera), 547. 

 Subumbrella, 88. 

 Succinea, 518. 

 Succineidae, 518. 

 Suctoria, 67. 



sulcatum (Entosiphou), 34. 

 sulcatum (Spha?rium), 586. 

 Sulphur sponge, 80. 

 sulphurea (Ancula), 501. 

 sulphurea (Cliona), 80. 

 sultana (Fredericella), 262. 

 Summer eggs, 329. 

 Sun-star, 630. 

 superba (Cynthia), 667. 

 supercillaris 



(Bougainvillia), 97. 

 suppressa (Gastrodonta), 



526. 

 Supra-oral organs, 205. 

 Surra, 30. 

 Suture, 506. 



swainsoni (Mitra), 560. 

 Swimmeret, 363. 

 Swimming crabs, 397. 

 Sycon type of sponge, 72. 

 Syllidae, 286. 

 Syllis, 287. 

 gylvaticus 



(Rhynchodemus), 169. 

 sylvestris (Amaurobius), 



418. 

 symmetrica (Quadruella), 



18. 

 Symphyla, 465. 

 Synapticula in Madrepora- 



ria, 149 ; in Balanoglos- 



sida, 654. 

 Synaptidae, 650. 

 Syncoelidium, 168. 

 Syncoryne, 96. 

 Synemosyna, 436. 

 Syngamus, 222. 

 Synura, 35. 

 syringa (Calycella), 112. 



Tabulae, 145. 

 Taenia, 200. 



