730 



INDEX 



pyramidata {Lingula), 267. 

 Pyramidellidae, 553. 

 Pyramidula, 522. 

 Pyrenoids, 31. 

 pyri (Eriophyes), 438. 

 pyriformis (Cynthia), 666. 

 pyriformis (Difflugia), 17. 

 Pyrosoma, 671. 

 Pyrosoma, 47. 

 pyrum (Phacus), 32. 

 Pyxidium, 66. 



QUADRANGULARIS (Alona), 



337. 



quadrans (Astarte), 577. 

 quadrata (Philine), 498. 

 quadricornis 



(Lucernaria), 127. 

 quadricornis (Noteus), 



240. 

 quadridens 



(Monostaechas), 109. 

 quadridentatum 



(Sphaeroma), 375. 

 quadripartita 



(Tokophrya),69. 

 quadripes (Eriophyes), 439, 

 quadrispinosa 



(Diastylis),384. 

 Quadruella, 18. 

 Quadrula, 583. 

 quadrumanus 



(Chiropsalmus), 129. 

 Quahog, 590. 

 quaternarium 



(-S^olosoma), 305. 

 quaternarium 



( Spondylomorum) , 36. 

 quinquecirrha . 



(Dactylometra), 130. 

 quinquiesperforata 



(Mellita),645. 



RABiOA (Lycosa), 433. 

 Rachiglossa, 554. 

 Rachis, 137. 

 Radial canal, 616. 

 Radial shields, 634. 

 Radials, 619. 



radians (Dendrosoma), 69. 

 radians (Siderastrea), 149. 

 Radiata, 3, 4, 70. 

 radiata (Lampsilis), 579. 

 radiata 



(Lerneaenicus), 351. 

 radicoJa (ITeterodora), 217. 

 radlcula (Vennetus), 548. 

 Radiolarla, 24. 

 radiosa (Ama?l»a), 16. 

 radiosa (Eplclintes), 61. 

 radiosum 



(Dactylosphaerlum), 16, 



Radius, 614. 



Radula, 480. 



ramosa (Pyxidium), 66. 



ramosum (Eudendrium), 



99. 

 ranae 



(Echlnorhynchus), 229. 

 ranarum (Opallna), 57. 

 rangi (Holopus), 621. 

 rapax (Caligus), 349. 

 rapax (Piscicola), 317. 

 Raphidiophrys, 23. 

 rapifornls (Paractis), 143. 

 Rathkea, 98. 

 rathkei (Porcellio), 379. 

 Rattulidae, 241. 

 Rattulus, 241. 

 raveneli (Branchellion), 



318. 

 Ray, 614. 

 Razor clams, 595. 

 recta (Lampsilis), 580. 

 Red abalone, 532. 

 Red coral, 135. 

 Red spiders, 454. 

 reflexa (Lymnsea), 509. 

 refuscens 



(Dictyocaulus),222. 

 regina (Fredericella), 262. 

 regulosus (Nothrus), 443. 

 relicta (Mysis), 383. 

 renale (Dioctophyme), 222. 

 rencapite 



(Pronocephalus), 181. 

 Reniera, 83. 

 Renifer, 185. 

 reniformis (Potamilla), 



301. 

 reniformis (Renilla), 138. 

 Renllla, 138. 

 Renillidae, 138. 

 repanda (Doris), 502. 

 Respiratory tree, 646. 

 Reticulariida, 19. 

 reticulata (Cancellarla), 



563. 

 reticulata (Ceriodaphnia), 



335. 

 reticulata (Llmnlcythere) 



357. 

 retlculatus (Oreaster), 628. 

 Retusa, 496. 

 retusa (Succinea), 519. 

 Rhabdltes, 157. 

 Rhabdltls, 217. 

 Rhabdocoela, 160. 

 Rhabdocoellda, 160. 

 Rhabdostyla, 66. 

 rhadodactyla 



(Pleurobrachia), 152. 

 Rhagon type of sponge, 72. 

 Rhegmatodes, 116. 



Rhinophore, 495. 

 Rhipidoglossa, 530. 

 Rhlzocephala, 362. 

 Rhlzocrinus, 621. ] 



Rhizogeton, 95. 

 Rhlzoglyphus, 442. 

 Rhlzomastlgldae, 26. ^ 



Rhlzomolgula, 665. I 



Rhlzopoda, 14. i 



Rhizostomae, 131. 

 Rhlzota, 232. 

 rhomboides (Lepidoderma), 



243. 

 Rhopalia, 126. 

 Rhopalodina, 646. 

 Rhopilema, 131. 

 Rhynchobdellida, 317. 

 rhyncoboli (Doliocystls), 



45. 

 Rhyncobolus, 291. 

 Rhynchobothriidae, 203. 

 Rhynchobothrius, 203. 

 Rhynchodemidae, 169. 

 Rhynchodemus, 169. 

 Rhyncholophidae, 454. 

 Rhyncholophus, 454. 

 Rhynchonella, 268. 

 Rhynchonellidae, 268. 

 Rhynchoscolex, 161. 

 Rice shell, 560. 

 ricinus (Ixodes), 446. 

 Ring canal, 616. 

 ringens (Mellcerta), 233. 

 riparia (Argiope), 425. 

 riparia (Diplocardla), 312. 

 Rissoa, 541. 

 Rissoldae, 541. 

 rltteri (Rhlzomolgula), 



665. 

 rlvalls (Diplogaster), 217. 

 River limpets, 513. 

 rivularis (Ancylus), 513. 

 rivulosa (Nais), 308. 

 rohusta (Idothea), 376. 

 robusta (Ophlura), 636. 

 robusta (Polymastia), 79. 

 robustum 



(Tetrarhynchobothrium) , 



203. 

 rohustus (Gordlus), 227. 

 robustus (Scaloplos), 292. 

 Rock barnacles, 361. 

 Rock crab, 396. 

 roesseli (Stentor), 60. 

 rosacea (Diphasia), 107. 

 rosalbum (Polyzonium), 



468. 

 rosea (Elsenia), 313. 

 rosea (Euglandina), 524. 

 roseola (Beroe), 154. 

 roseola (Leptosynapta), 



651. 



