INDEX 



731 



roseola (Philodina), 235. 



Rossia, 009. 



rostratum (Loxophylluiu) , 



53. 

 Rostellum, 189. 

 Rostrum, in Cophalopoda, 



607 ; in Crustacea, 382 ; 



in A carina, 430. 

 Rotifer, 235. 

 Rotifera, 230. 

 Round clam, 590. 

 Round-web spiders, 424. 

 Round worms, 213. 

 rubellus (Lumbricus), 313. 

 rubens (Brachionus), 240. 

 rubens (Geophilus), 474. 

 rubens (Zygeupolia), 208. 

 ruber (Ilydryphantes), 449. 

 ruber (Linens), 207. 

 ruber (Linota'nia), 474. 

 ruber (Plakopus), 16. 

 ruber (Trachelas), 430. 

 ruber (Trachydermon), 



488. 

 rubiginosa (Quadrula), 584. 

 rubra (Boltenia), 667. 

 rubra (Lepraea), 296. 

 rubra (Thyone), 649. 

 ruhrum (Corallium), 135. 

 rubrum (Stichostemma), 



212. 

 rudis (Littorina), 540. 

 rufescens (Dictyophyme), 



222. 

 rufescens (Haliotis), 532. 

 rugosa (Alasmidonta), 582. 

 rugosa (Glossiphonia), 319. 

 rugosa (Sertularella), 106. 

 rugosa (Stomatoca), 98. 

 rugosum (Abothrium), 195. 

 runcinata (Salpa), 662. 

 ry deri ( Heteromey enia ) , 



81. 

 ryderi (Microhydra), 119. 



Sabella, 300. 

 Sabellaria, 303. 

 Sabellidae, 300. 

 Sabelliformia, 300. 

 saccatus (Drassus), 419. 

 Sacculina, 363. 

 Sagartia, 144. 

 Sagartiidae, 144. 

 saginata (Taenia), 200. 

 Sagitta, 272. 



salmoni (Davainea), 200. 

 salmonis (Discocotyle), 



176. 

 Salpa, 661. 

 salparum (Trichophrys), 



69. 

 Salpingceca, 29. 



salpinx (Ilalidystus), 127. 



Salticus, 435. 



saltitans (Dasydytes), 244. 



Salt-water mites, 453. 



Salve bug, 375. 



sanbornl (Chelanops), 410. 



Sand bug, 393. 



Sand collar, 537. 



Sand crab, 399. 



Sand dollar, 644. 



sanguinea (Marphysa), 



290. 

 sanguineus 



(Diaptomus),344. 

 sanguineus 



(Enplobranchus), 296. 

 sanguinolenta 



(Henricia), 629. 

 sapidus (Callinectes), 398. 

 sapotilla (Yoldia), 569. 

 Sarcocystis, 48. 

 Sarcodina, 14. 

 Sarcoptes, 440. 

 Sarcoptidae, 439. 

 Sarcosporidiida, 48. 

 sarsi (Ophiura), 636. 

 Sarsia, 96. 

 Sarsiella, 357. 



savignyi (Leptochela), 374. 

 Saxicava, 596. 

 Saxicavidae, 596. 

 sayi (Panopeus), 397. 

 sayi (Physa), 511. 

 Scab mite, 440. 

 scaber (Porcellio), 380. 

 scabiei (Sarcoptes), 440. 

 Scalaria, 535. 

 Scalariidae, 535. 

 Scallops, 575. 

 Scalpellum, 359. 

 Scaphandridae, 497. 

 Scapholeberis, 335. 

 Scaphopoda, 490. 

 scapularis (Ixodes), 446. 

 Scaridium, 240. 

 Scavenger mites, 443. 

 scenicus (Salticus), 435. 

 schachti (Heterodera), 217. 

 Schistocephalus, 193.- 

 Schistosoma, 187. 

 Schizonemertea, 207. 

 Schizopoda, 382. 

 Schizoporella, 257. 

 Schizotricha, 109. 

 schlosseri (Botryllus), 669. 

 Scleroblasts, 73. 

 Scoleciformia, 298. 

 Scolecolepis, 293. 

 Scolex, 189. 

 Scolopendra, 475. 

 Scolopendrella, 466. 

 Scolopendrellidae, 465. 



Scolopeudridae. 474. 

 Scoloplos, 292. 

 Scolopocryptops, 476. 

 Scorpionida, 404. 

 Scorpionidae, 405. 

 Scutellidae, 644. 

 Scutibranchiata, 529. 

 Scutigera, 477. 

 scutigera (Salpa), 662. 

 Scutigerella, 465. 

 Scutigeridae, 477. 

 Scutovertex, 443. 

 scutulata (Lycosa), 433. 

 Scutum, in cirripeds, 360 ; 



in ticks, 445. 

 Scyllaea, 500. 

 Scyllaeidae, 500. 

 Scyphistoma, 125. 

 Scyphomedusae, 125, 

 Scyphozoa, 125. 

 Scytonotus, 472. 

 Sea-anemones, 139. 

 Sea arrows, 610. 

 Sea beef, 486. 

 Sea cucumbers, 646. 

 Sea-fans, 136. 

 Sea feathers, 137. 

 Sea-fir, 107. 

 Sea hares, 499. 

 Sea-lilies, 619. 

 Sea mouse, 284. 

 Sea peach, 666. 

 Sea pens, 138. 

 Sea polyp, 613. 

 Sea pork, 670. 

 Sea potato, 667. 

 Sea-slugs, 500. 

 Sea spiders, 458. 

 Sea-urchins, 638. 

 Sea whips, 135. 

 Secondary flagellum, 363. 

 secunda 



(Stichotricha),61. 

 sedentaria (Phronima), 



366. 

 Segmentina, 513. 

 Semaeostomeae, 129. 

 Semelidae, 589. 

 seminuda (Odostomia), 554. 

 senegalensis (Luidia), 627. 

 senta (Hydatina), 237. 

 Sepia, 608. 

 Sepiidae, 608. 

 Sepiolidae, 608. 

 Sepiophora, 608. 

 Septa, 145. 

 septentrionalis 



(Terebratulina), 269. 

 Septibranchiata, 601. 

 Sergiolus, 419. 

 sericeum (Trombidium), 



454. 



