INDEX 



563 



Cypris, 97 ; internal stages, 98 ; with 

 parasitic Sanalia, 130, 131 



Saitis, 431 ; S. pulex, 382, 421 



Salter, on facial suture of Trinucleus, 226 ; 

 on classification of Trilobites, 243 



Salticidae, 4i9 



Salticiis, 430 ; S. scenicus, 372, 376, 420 



Sao, 285, 347 ; jS. hirstota, development, 

 239 



Sapphiriiia, 69 ; colour, 60 ; S. opalina, 

 69 



Sarcoptes, 46(1 ; S. mutans, 466 



Sarcoptidae, 455, ^66 



Sarcoptinae, ^66 j 



Sars, G. 0. , on Calanidae, 58 ; on Isopoda, 

 122 ; on Crustacea of tlie Caspian, 215 ; 

 on Pycnogons, 504 



Savigny, 526 



Scaeorhynchus, 63S 



Scalidognatkus, S8S 



Scttlpellum, 84, 85 ; complemental male, 

 86 ; sex, 86, 105 f. ; S. halanoides, sex, 

 86 ; 8, ovTiatuvi, sex, 87 ; ^S". peronii, 

 male, 86 ; sex, 87, 105 ; S velutinum, 

 sex, 87 ; S. vulgare, 85, 86 ; male, 83 ; 

 sex, 86, 87 



Scaphognathite, 152 



Scapholeieris, 39, S^ ; S. imicronata, 52 



Schimkewitsch, 527, 534 



Scliizochroal eye, 228, 229 



Scliizonotidae, 310, 3JS 



Schizonotus, S12 



Schizopoda, 112 ; re-classification, 113 ; 

 relation to Macrura, 162 



Schizorhynchus, 121 



Schmeil, on fresh-water Copepoda, 59, 62 



Sehultze, on position of Tardigrada, 483 



Scipiolus, 535 



Sclerocrangon, distribution, 200 



Sderosoma, 4BO ; S. quadridentatum, 450 



Sclerosomatinae, 44^ 



Scodra, 390 



Scopula, 324, 324, 389 n. 



Scorpio, 305, 307 ; S. boehmi, 307 ; S. 

 maurus, 307 



Scorpion, 297 f. 



Scorpionidae, 306 



Scorpionidea, 258, 297 f. ; habits, 298 ; 

 senses, 299 ; poison, 299, 301 ; mating 

 habits, 300 ; external structure, 301 ; 

 prosoma, 301 ; pre-cheliceral segment, 

 301 ; development of eyes, 301 ; meso- 

 soma, 302 ; metasoma, 303 ; appendages, 

 303 ; pedal spurs, 304, 306, 307, 308 ; 

 tibial spurs, 304, 306, 307, 308 ; in- 

 ternal anatomy, 304 ; alimentary canal, 

 304 ; vascular system, 305 ; nervous 

 system, 305 ; endosternite, 305 ; gene- 

 rative organ, 305 ; development of, 305 ; 

 classification, 306 ; fossil, 298 ; re- 

 semblance to Eurypterids, 292 



Scorpioninae, 306, 307 



Smrpiops, 308 



Scotinoecus, 390 



Scott, on flsh-parasites, 69 n. 



Scourfield, on Cladocera, 51 n. 



Scutum, of Spiders, 317, 394 ; of Ticks 

 469 



Scyllarus, 167 ; S. ardws, 166, 167 



Scytodes thoracica, 393 



Scytodidae, 393 



Segestria, 395: S. perfida, 369; S. seno- 

 culata, 395 



Segestriihae, 395 



Segmentation, of Crustacea, 5 f. ; of Trilo- 

 bites, 223 f. ; of Arachuida, 256 ; of 

 Liimdus, 263 ; of Pycnogons, 501 f. 



Selenopinae, 4^4 



Selenops, 414 



Semper, 621 n. 



Senoculidae, 4IS 



Senoculus, 4I8 



Sense-organs, of Arachnids, 257 ; of 

 Limulus, 271, 272 ; of Tardigrada, 482 ; 

 of Pentastomida, 491 (see also Auditory 

 organ. Eyes) 



Sergestes, 162 



Sergestidae, 162 ; Zoaea, 161 ; distribu- 

 tion, 204 



Serolidae, 126 



Serolis, 126 ; distribution, 200 ; S. 

 antarciica, S. bronhyana, S. schytei — 

 eyes, 149 



Serrula, 322, 433 



Sesarma, 196 ; distribution, 213 



Setdla, 61 



Sex, in Crustacea, 100 ; in Trilobites, 235 



Sexual dimorphism, of Copepoda, 57, 67, 

 75 ; of liiachus, 103 ; of Tanaidae, 

 123 ; of Gnathia, 125 ; of Prawns, 

 159 ; of Gelasimits, 194 ; of Spiders, 

 379 



Sheet-webs, 352 



Shell-gland, 13 



Shipley, A. E., introduction to Arachnida, 

 253 f. ; on Xiphosiira, 259 f. ; on Tar- 

 digrada, 475 f. ; on Pentastomida, 

 488 f. 



Shrimp, 153. 158, 164, 198, 199 



Shumardia, 345- 



Shumardiidae, 24^ 



Sicariidae, 327, 393 



Sicarius, 393 



Sida, 51 ; reproduction, 49 ; S. crystallina, 

 22, 39, 40 



Sididae, 51 ; appendages, 40 ; heart, 43 



Siebold, von, 464 n. 



Sigilla, 410 



Silvestri, 473 n. 



Simocepludus, 5% ; S. velidus, 38, 39 ; 

 appendages, 41 



Simon, 303, 314 n.. 326, 385, 386 n., 387, 

 391 n., 397 n., 400, 401 n., 406, 408 n., 

 414 n., 418, 431, 433, 449, 452 



