507 



cataphracta, 407 ; ceroplasta, 473 ; 

 chariessa, 458 ; chyta, 4(56 ; cir- 

 cinata, 395, 407 ; circumvoluta, 465 ; 

 clara, 393; cliruacota, 413, 428; 

 compsa, 470 ; conoides, 409 ; coral- 

 lina, 413, 433, 435 ; corpulenta, 446, 

 447 ; decussata, 437 ; didyma, 404 ; 

 dimidiata, 398, 399; dyscrita, 44S; 

 emendata, 404, 441 ; engonia, 405 ; 

 eritmeta, 413, 432, 443; fluctuosa, 

 413, 416, 424; fuegensis, 417; go- 

 modes, 388, 394; granulans, 429; 

 Grriffithii, 410 ; gypsata, 413 ; ros- 

 trata, 414 ; harpularia, 429 ; hemi- 

 meres, 398, 399; hispidula, 437; 

 hormophora, 457 ; hypsela, 413, 433 ; 

 incdis, 413, 425 ; incincta, 438 ; in- 

 terrupta, 428; ischna, 403, 423; 

 Kaderleyi, 410, 412; Kennicottii, 

 395; lanceolata, 410; lepta, 388, 

 391 ; leucotropis, 395 ; levuiensis, 

 432 ; lincta, 442 ; lithocolleta, 441 ; 

 lophoessa, 423; macra, 427, 439; 

 marmarina, 413, 429 ; micans, 443 ; 

 mitrseformis, 405 ; modiolus, 442 ; 

 monoceros, 449; nivalis, 396, 398, 

 402, 403, 419; nodifera, 396; no- 

 dulosa, 412 ; nuperrima, 437 ; obesa, 

 407; oxytropis, 395; pachia, 460; 

 papalis, 405 ; papyracea, 450; paretoi, 



410 ; patagonica, 417 ; paupera, 



411 ; perparva, 469 ; perpauxilla, 

 468 ; phfeacra, 413, 423 ; planetica, 

 394 ; platamodes, 447 ; plebeia, 388, 

 395, 398 ; Powerii, 398, 399 ; prisca, 

 409 ; pruina, 453 ; pudens, 461 ; 

 putica, 443 ; pyrrha, 409, 410 ; 

 Rumei'i, 404, 441; rhysa, 400; 

 rosaria, 428 ; rostrata, 394 ; rotun- 

 data, 388, 393 ; rugulosa, 431 ; sacra, 

 430 ; sanctijohannis, 412 ; Selysii, 



412 ; septangularis, 432, 433 ; sigmoi- 

 deum, 443 ; silicea, 474 ; spicea, 413, 

 419 ; spirata, 407 ; staminea, 388, 

 391 ; sterrha, 413, 426 ; stirophora, 

 413, 422, 424; streptophora, 464; 

 Studeriana, 417 ; subtilis, 413, 430 ; 

 syngenes, 388, 396, 423, 442 ; taxilis, 

 433 ; tenuis, 400 ; tiara, 440 ; tmeta, 

 413, 424 ; tornata, 407 ; translucida, 

 444, 446; trilix, 388, 390; turgi- 

 dula, 433; ula, 413, 420; undata, 

 398 ; undatiruga, 400 ; unifasciata, 

 398; ventricosa, 409; zonata, 410. 



Pleurotomidae (Chall. Exped.), 388, 



413, 457. 

 Plocamia, 488 ; clopetaria, 476, 479 ; 



gymnazusa, 476, 478 ; plena, 476, 



480. 

 LINN". JOUKN. — ZOOLOGY, VOL. XV. 



Plocamianina of Sollas, 485. 



Plocamium, genus of seaweeds, 477- 



Pogonias, 50. 



Polyergus, 170 ; rufescens, 174. 



Polypholis eehinata, 78. 



Polyzoa, Ectoprocta, 2 ; Endoprocta, 2. 



, classif. of, 343; of N.-Polar 



Exped., 231 ; of Chall. Exped., 341 ; 



structure of the marine, 1. 

 Poi'onotus similis, 52. 

 Pristolepis malabaricus, (ftnote) 34. 

 Promachocrinus, 214. 

 Pulmobranchiata, reasons for use of 



term, 165. 

 Pulmonifera, analysis of, 161. 

 Pyramidellidae (Ciiall. Exp.), 245. 

 Pyramis glabrus, (ftnote) 87. 

 Pyramocera, 85 ; fuliginea, 85. 

 Pyrula, 146. 



Eanella affinis, 272; crumena, 272; 

 fiuensis, 270 ; granifera, 272 ; livida, 

 272; nobilis, 272; ponderosa, 272; 

 rana, 272 ; scrobiculator, 269 ; sub- 

 granosa, 272. 



Raphidoglossa, term applied to certain 

 G-asteropods, 242. 



Rhabdodictyon delicatum, 326, 328. 



Rhaphitoma, subg.Pleurotoma, 413,441. 



Rhinoderma Darwinii, 39. 



Rhizotrogus solstitialis, 15, 18. 



Rhodosoma, 275. 



Rhombus lsevis, 315. 



Rhopalocomus tuberculatus, 486. 



Ridley, S. O., on cases of incorporation 

 by Sponges of spicules foreign to 

 them, 149 ; Sponges of the Order 

 Echinonemata, 493; on the genus 

 Plocamia, Schmidt, 476. 



Rissoella, (ftnote) 87. 



Rissoellidse, (ftnote) 87- 



Rissoina, 98. 



Rodriguez, extinct land-tortoises of, 58. 



Salenia, 319. 



Salticidaj, 157- 



Schizopoda (Greenland), 63. 



Soiaena aquda, 49, 84. 



Sclerostoma clathratum, 333 ; sipuncu- 

 liforme, 333. 



Scomber colias, 147, 148, 149 ; macu- 

 latus, 147 ; pneumatophorus, 148 ; 

 scomber, on the specific identity of 

 S. punctatus with, 146; scriptus, 147, 

 149. 



Scrupocellaria Delilii, 231 ; scabra, 231, 

 232. 



Scutibranchiata, Dr. Macdonald's re- 

 marks on, 241. 



41 



