ono 



INDEX. 



Sigsbeia 206-. 



Silk-glands (127. 



Silk- worm 714 2 . 



Silpha 728 1 . antenna 

 618. 



Silvan us 729 2 . 



Simocephalus 381'-. ner- 

 vous system 372. par- 

 thenogenesis 374. 



Simognathus 851 2 . 



Simorhyn.ch.us 502-. 



Simroth. canals of, in 

 Ophiurids 203. 



Simulium 746 '. 



Sinus system Echino- 

 derms 128. 



Si])hon Echinoids 230. 



Siphonal tube Balano- 

 glossida 79. 



Si phona| item 662. 



Siphonoecetes 500 2 . 



Siphonophora 594 1 . 



Siphonorhinus 594 1 . 



Sirex 758. 



Siriella 472. 490 1 . legs 

 467, males 469. 



Si i-o 840. 841. 



Sismomlia 243 2 . 



Sisyra 704 2 . 



Sitalees 842'. 



Sitaris 733'. 



Sitticus 826 2 . 



Sitzb. K. prens. Akad. = 

 Sitzungsberichte der 

 Koniglich - preussis- 

 chen Akademie der 

 \Yissenschaften zu 

 Berlin. 



Skeleton Asteroidea 169, 

 Balanoglossida 85. !tl, 

 Echinoids 209. Holo- 

 thurians 250, Ophiu- 

 rids 195, Tunicata 4-. 



Skin Balanoglossida 69, 

 Crinokls 283, Ophiu- 

 rids 194. 



Skip-jack 732 2 . 



Skippers 713. 



Slimonia 798. 



Sluiteria 38 2 . 



Smeringopus 822 2 . 



Smerinthus 715 1 . 



Smilasterias 192 2 . 



Smynthnrns 657, tra- 

 cheae 656. 



Snake-flies 702'. 



Snipe-flies 746 2 . 



Socialinae 764. 



vSolaster 176, 192 ', no 



pedicellariae 173, 



parasite of 435. 

 Soldier-fly 746 2 . 

 Solenobia 720 2 . 

 Solenocera 529 1 . 

 Solenysa 823 2 . 

 Soles, parasite on 408 '-. 

 Solifugae 829. 

 Solpuga 832. 

 Solpugae 829. 

 Somites of Araehnida 

 317, 323. Myriapoda 

 320. luscrt.i 322. Crus- 

 tacea 323. 

 Soothsayers 668 1 . 

 Spanish-fly 733 1 . 

 Sparassus 824 2 . 

 Spatagocystis 247. 

 Spataiigoicla 244. 

 Spatangus 246 2 . apical 

 system 218, caeeiim 

 230. 



Special anal 27'i. 

 Specilligus 408 1 . 

 Spengeiia 81. 103 1 , ner- 

 vous system of 72, 

 nerve-root 73, noto- 

 chord 75, gill-slits 78, 

 liver 79. proboscis 81, 

 peripharyngeal cavi- 

 ties 87, 'habits loo. 

 Spercheus 727 2 . 

 S perch on 851 l . 

 Spermatophores of Crus- 

 tacea 355. 



Spermatozoa of Cirri- 

 pedia 421, Copepods 

 399. Crustacea 354. 

 Decapocla 525. 52i>. 

 Insecta 639. ( )straeods 

 388. Peripatus 564. 

 Schizopi x Is 4i ill. im mo- 

 tile of Palpigradi 829. 

 Sphaerechinus 224, 242 2 , 

 larva 140. perlirella- 

 riae 223. 

 Sphaeridia Echinoids 



12(1. 227. 



Sphaeriodesmus 593 2 . 

 Sphaerius 728 2 . 

 Spliaern;:a-tra 852 2 . 

 Sphaeroma 489', l>rood 

 sacs 484. nervous sys- , 

 tern 442, vitrellae of 

 329, rhabdom of 331. 

 Sphaeronella 410 2 . 

 Sphaeroniscus 487. 

 Sphaerothcrium 592. 

 Sphaerothuria 269 '. 



Sphecodes 763. 



Splu-x 768. 76!)'. 



Sphindus 731 -. 



Sphingidae 714-. 



Sphinx 627. 715'. 



Sphyrapus 479. 



Spider marine 825'. 

 water S25 1 . median 

 and lateral eves 335, 

 anterior median eye 

 of 336, trapdoor 819. 



Spinax parasite of 423 2 . 



Spines Echinoderms 

 121, Echinoids 225, 

 ( >phiurids 196. 



Spinnerets 710, 814. 



Spinners 686. 



Spinocalanus 405'. 



Spintharus 823 '. 



Spiracles of Blastoi:!- 

 312. 



Spirobolus 593-. 



Spirontoearis 533'. 



Spiropagurus 540'. 



Spirostrephon 593' 



Spirostreptus 593 2 . 

 length 583. 



Splanchnocoel 12ti. 14:!. 



Splanchnotrophus 499 2 . 



Sponges, parasite^ ,,(' 

 42.V. 



Spongicola 531 '. 



Spongy organ Crinoids 

 288. 



Sporasterias 192 2 . 



Sporotaxis 242 '. 



Sipialns, parasite of 423- 



Sipiama 740. 



Squash-bug 692 1 . 



Squids pai-asite of 407 '. 



Squilla 505. 511. intes- 

 tine 507 '. larva 510. 

 blood 352. fossil 35!)' 



Stag-beetle 725'. 



Stalagmus 408'-. 



Stalita 821 2 . 



Staphylinidae 728 1 . 



Starfishes 166. 



Stasimopus 819. 



Statocyst 350. Arthro- 

 poda 337. 



Steatoda 823 '. 



Stegnaster 191 '. 



Stegocephalus 501 1 . 



Stegodyphus 820 2 . 



Stegomyia 744 2 . 745 -. 



Si i"ji)soma 63, 65. 



Stelidiocrinus 297. 



Stelis 763. 



