SUBJECTS INDEX 



473 



Ehopaliira, 206, 207. 



Giardii, 206. 



Intoshii, 206. 



ophiocoixias, 206. 

 Khynchelmis, 281, 282, 284, 286, 



291, 299, 300. 

 Rhvnchobilellidse, 319. 

 Kinalda, 34. 

 Rotatoria, 2-56. 



relatiousliips of, 2-59. 

 Rumpf keim (Birudinea), 329. 



Sabella, 3. 263. 

 Sabellaria, 263, 276. 

 Saccociirus, 290. 

 Sagitta, 367. 

 Sarsia prolifera, 72. 



siphonophora, 72. 

 Scbizocladium, 49. 

 Scbizostomum, 17-5. 

 Sclerodermata, 100. 

 ScleroKorgia. 83. 

 Scolex (Tseniadffi), 197. 

 Scyphistoma, 104, 10.5, 110. 

 Scypbomedusse, 39, 102, 103, 122. 

 Scyphopolyps, 103. 

 Scyphozoa, 124. 

 Scyphula, 125. 

 Sedeutaria, segmental appendages 



of, 279. 

 Semseostomas, 124. 

 Sftxual reproduction, 2. 

 Silicea, 22. 



Siphonophora, 39, 59. 

 Siphonula, 65, 70. 

 Sipunculidae, 3.57, 365.. 



relationships of, to Annelida, 

 365. 

 Sipunculus, 357. 



larva of, compared to Trocho- 

 phore, 361. 

 Somatic mesoderm, see Mesoderm, 



somatic. 

 Rpatangus, 424. 



Spbserechinus, cleavage in, 398. 

 Sphffirosyllis, 262. 

 Spbaerularia, 240. 

 Spio, 276, 278. 

 Spiroptera, 238, 243. 

 Spirorbis, 279. 



Pagengtecberi, 262. 



spirillum, 262. 

 Splanchnic mesoderm, see Meso- 

 derm, si^Iancbnic. 

 Spongelia, 23. 

 Spougicula, 113. 



Spongilla, 25, 27, 34. 



Spongioblasts, 32. 



Sporocyst (Distomidffi), 181. 



Snorogonia, 59. 



Sporophores, 47. 



Sporosacs, 39. 



Sprouting (Porifera), 28. 



Stelospongia, 28. 



Stephalia, 62. 



S'ephanomia, 60. 



Stephanoscyplius, 103. 



Sternaspis, 273. 



Sterroblastula, 7 



Sterrogastrula, see Gastrula, epi- 



bolic. 

 Stock, 1. 



Stomobrachium, 49. 

 Strobila, 104, 113, 114. 

 Strongylocentrotus, cleavage in, 

 398. 



metamorphosis of, 439. 

 Stylasteridse, 53. 

 Stvlochopsis, 168. 

 Stylochus, 162, 164, 167, 168. 

 St\lodrilus, 299. 

 Stylorhiza, 121. 

 Sycandra, 14. 

 Sycon. 19. 

 Sycyonis, 93. 

 SyllidaB, non-sexual reproduction 



of, 302, 304. 

 Syllis ramosa, 304. 



resemblance of larva to Dino- 

 philus, 313. 



vivipara, 262. 

 Sympagella, 33. 

 Sympodinm, 76, 77. 

 Syna]ita, 398. 



cleavage in, 392. 



mesenchyma, 396, 397, 404, 

 450. 



metamorphosis of ciliated 

 band, 430. 



nerve-ring of, 427. 



vasoperitoueal vesicle of, 409. 



Taenia ccenurus, 197, 200. 



cucumei'ina, 193. 



echinococcus, 200. 



saginata (Fig. 96), 196. 



serrata, 193. 



solium, 198. 



tailed cvsticerci of, 196. 

 TsBuiadaj, 193. 



embryonal membranes of, 194. 

 Telepsavus, 274, 316. 



