i \ i ) i : \ . 



901 



Stellaster 190 1 . 

 Stem Crinoids 282. 

 Stemma 328. 

 Stemmatocrinus 295. 

 Stem-sawflies 757. 

 Stenaster 188. 

 Stcnhelia 405 2 . 

 Stcnobothrus 672 2 . 

 Stenochilus 822 1 . 

 Stenochirus 806 L> . 

 Stenocuma 477. 

 Stenocypris 382, 391. 

 Stenogryllus 675 '. 

 Stenopelmatinae 673-. 

 Stenophasmus 761. 

 Stcnnphylla 669'. 

 Stenopidea 531. 

 Stenopus 531 l . 

 Stenorhynchus 545 '. 

 Stenothocheres 410-. 

 Stenothoe 501 2 . 

 Stenothoidae parasite 



of 410 2 . 



Stenovates 669 1 . 

 Stephanaster 190 1 . 

 Stephanocrinus 293 2 . 

 Stcphanolepas 425 1 . 

 Stephanomma 473, 476. 

 Stephanopoides 824 2 . 

 Stephanopsis 824 2 . 

 Stephanas 761. 

 Stereo hinus 242 1 . 

 Stereobalanus 103 2 . 



gonads 95, notochord 



75, proboscis pores S4. 

 Stereoclavella 38 2 . 

 Stereomastis 534 2 . 

 Stereosomata 240. 

 Sternata 245 2 . 

 Sternite 585. 

 Sternum of Insect 610, 



617, Spatangoid.s, 21 7. 

 Stichaster 191 2 , care of 



brood 134, 187, madre- 



porites of 184. 

 Stichopus 266 2 . change 



of form in growth 



251, sole of 2J'.>. 

 Stick-insert (id!* 1 . 

 Stickleback parasite of 



413. 



Stigmata of Tunieata '.'. 

 St igmatogaster 602. 

 Stigmatomma 773. 

 Stimpsonia 500-. 

 Sting of bees 762. 

 Stink-flies 704 2 . 

 Stink-glands Pedipalpi 



808. 



Stipes (',]!. 



Stiplimpus 824-. 



Stirechinns 242'. 



Stolasterias 192-'. 



Stolon of Doliolum 57. 

 Salpida 4S. 5 1. Tnni- 

 cata 18. 



Si iinial o|Mida -504. live]- 

 of 1-1-2. 



Stomechinus 241 '. 



Stomopncnstcs 242'. 



Stnnc-caiia I li'lt. deve- 

 lopment 14."). Astc- 

 mid^ I S3. ( 'rinoids 

 287, Echinoids 232. 

 Holothuri;ins 2.">3. 

 Ophiurids 201. 



Stone-flies (17"). 



Storenomorpha 822'. 



Stortingocrinus 293 1 . 



Stral.ax 409 -. 



Stratiomys 746'-. 



Streblidae 753. 



Mrrpsiptera 737. 



Streptophiurae 206. 



SMvptosomata 240. 



Stridulating o r g a n s 

 338. 



Strongylocentrotus 209, 

 210, 212, 242, larva 

 140, sheU of 209, apical 

 plates 210, shell platr.- 

 222. pedirellariae 22."). 



St rongylosoma 594 ' . 

 larva 590. 



Strongylnra 479. 



Strophius 824 2 . 



Strotocrinus 296'. 



Studeria 245 2 . 



Sturgeon, jiar.isite on 

 gills of 40S 2 . 



Stnrtzura 205. 



Styela 29 2 . 



Styeloides 29-. 



Styelopsis 29-. 



Stygopb.ryn.us 811. 

 Stylambis 442, 522 J . 

 Stylifer 263. 

 Stylocellus 841. 

 Stylocerite 520 2 . 

 Slvloeheiron 471 1 . eye 



466. 



Stylocrinus 293 1 . 

 Stylodactylus 532'. 

 St ylonisi'iis 487. 

 Stylonurus 798. 

 St ylopauropus 582. 

 Stylo|is 737, 738. 

 Styracaster 189 -. 



Siilinicdian line I 



glos.-ida '.I I. 

 Siihllient mil <i2<l. 

 Siiluieiiral (iiniral) 



ii. 2.",. 

 Siiliueiir.-'l 'jland. ii. L':;. 



of Salpida 17. 51. 

 Sulitegminal 2SII. 

 Siililerita'-idar p raiial 2S5 

 Sunaristcs 405'. 

 Snpera mliiihr-ral pie, r- 



I7n. 



Superlingua lil'.i. 

 Superlinguae 322. 



Superlinniial segment 



609. 

 Superposit ion imaire 



333. 



Superradial 277. 

 Swift-moth 717 1 . 

 Sybota 820 1 . 

 s\l,)ii 433 -. 

 Symbathocrinus 293'. 

 Sym])agnrus 540'. 



Sympathetic Illsrela li,'J4 



Symphrasis 704'. 



Symphvla 604. affini- 

 ties 606. 



Symplegma 31. 32 '. 



Sympterura 205. 



Synagoga 435. 



Synallactes 267 '. 



Synamphithoe 500 2 . 



Synapta 13s. 13<). |r,|. 

 250. 269 2 . oviposition 

 2li4, parasites of 263, 

 fossils (if 264, peri- 

 haemal canal 2<iO. 

 stone-canal 253. 



Synapticula Balano- 

 glossida 77. 



Synascidia 30. 



Syncarida 358-, 459 

 limbs and epipodite-- 

 460. dc\ cliipinent 462 



Synceretirutn 320, 32<i. 



Synestius 407 2 . 



Synoiciim 34-. 



>\ nopia 502'. 



Sy not ax us 823'. 



Synstyela 37 1 . 



Synteliidae 728-. 

 Syntomis 715 2 . 

 Syrichthus 713 2 . 

 Syringobia 852. 

 Syrphus 749. 

 Syspastus 487. 

 S\ -tcllaspis 531 2 . 

 Syzygy 283. 



