INDEX 



66 1 



Eliizostomatidae, 325 



Rhodactidae, 3S3 



Rlwdactis (Rhodactidae, 3S3) ; R. sancti- 



thomac, 373 

 Rhodalia, SOS 

 Rhodophysa (suli- family Physophorinae, 



SOS), 300 

 Rhodophyton, 3^9 

 Rhodopsammia, 404 

 Rhopilenia, 325 ; R. escidenta, 312 ; R. 



vemtcosa, 312 

 Rhurabler, on Foraminifera, classification, 



58 n. ; shell, 66 f. ; monstrous shells, 



69 n. 

 Rhyncheta, 159 f.. 160, 162 

 Rhythm, of cell-life and reproduction, 



30 f. ; of contractile vacuoles in Para- 

 mecium, 143 n. ; in life-cycle of 



Infusoria, 148 n. 

 Ricordea, 371 

 Ridley, 216 n., 352 n. 

 Riisea, 355 

 Ring-canal, of water-vascular system, 428 ; 



of Asferias mbe7is, 441 ; of Echimis 



esculentus, 517 ; of Holothuria nigra, 



566 

 Robertson, on the habits of Echinocardiinn 



cordatum, 552 

 Rock-urchins, 529 

 Rodents, hosts of Trypanosoma lewisii, 



119 

 Roemer, 199 n. 

 Romanes, on physiology of Echinoidea, 519, 



521 

 Rompel, on SpirocJwna, 144 n. 

 Eosette, -aggregate, of Trejjonema, 120 ; 



of Anted 0,1 rosacea, 584 

 Ross, on intermediate host of malarial 



parasites, 103 

 Rofalia, 59, 65 

 Rotaliaceae, 59 

 Rotifers, bladder of, 14 n. ; rheotaxy of, 



21 ; distribution of, 48 ; associated with 



Euglena viridis, 124 ; formerly included 



under Infusoria, 136 ; vibratile styles of, 



141 

 RoMa, 548, 549 

 R«tula of Echinus escvlentvs, 526 

 Rotula muscles of Aristotle's lantern, 526 

 Roule, 408 

 Royal Society, early publications on 



Protozoa, 45 

 Ruminants, infested by Trypanosoma 



evansii, 119 ; parasitic Ciliata in paunch 



of, 152 

 Rumphius, 360 



Sacco.mminu, 59, 63 



Sacculus, of Antedoii rosacea, 587 ; of 



other species of Antedon, 588 

 Sagartia, 372, 375, 3S1 : S. troglodytes, 



378 



Sagartiidae, 3S1 



Sagittal, 185 



Sagittal ring, 78, 83 ; plane, 414 ; costae, 

 416 n. 



Salenia, 538 ; S. varispina, 538 



Saleniidae, 530, 537, 558 



Salivary gland of gnat in relation to 

 malarial parasites, 105 



Salpiiiijncca, 111, 122 



Sand i'rom sponges, a source of Fora- 

 miniferal tests, 62 



Sand, Rene, on Suctoria, 1C2 



Sand-dollar, 542 



Sand-urchin, 529 



Sanidaster (a modified euaster in which a 

 slender rod-like axis bears spines at 

 intervals along its length), 222 



Sapropelic Protozoa, 48 



Saprophyte, 33, 37, 90, 113, 119 ; relation 

 to brood -form at ion, 33 



Saprophytic, nutrition, 33, 37 ; Flagellata, 

 113, 119 



Sarasin, C. F. and P. B., on the madre- 

 poric vesicle and axial sinus of 

 Echinoidea, 528 ; on the relationships 

 of the Echinothuriidae and Holo- 

 thuroidea, 537 



Surcocystis, 9S ; S. tenella, 108 n. 



Sarcocyte, 96, 98 



Sarcode (Dujardin's term for protoplasm), 

 3f. 



Sarcodictyon, 344 '> S- catenatum, 342 



Sarcodictyum, 79 



Sarcodina, relations of, 48 f., 49, 50 f. ; 

 distinction from Flagellata, 109 



Sarcoflagellum, SO 



Sarcolemma of stalk-muscle of Vorticella, 

 157 u. 



Sarcophi/llum (Pennatulidae, 361), 360 



Sarcophytmn, 248, 330, 333, 347, 349 



Sarcosporidiaceae, 9S, 108 



Sarsia, 265, 272 ; S. pi-oliferu, 272 ; S. 

 sijiltonophora, 272 



Sauropsida, egg of, 34 



Sccqihiodoyi, 137, 141 n. 



SchJifer, on mechanism of ciliary action, 

 18 n. 



Sthaudinn, on exogamy in Foraminifera 

 and Trichos2)haerium, 34 n. ; on Pro- 

 tozoa, 46 ; Arcliiv f'Ar rrotislcnkunde, 

 46 ; on chromidia in Sarcodina, 52 n. ; 

 on Trichosphaerium sieholdi, 54, 56 f. ; 

 on bud -fission in Rhizopoda, 55 ; on 

 syngamic processes of Rhizopoda, 57 ; 

 on reproduction in Foraminifera, 67, 

 69 n. ; on Heliozoa, 71 ; on Sporozoa, 94 ; 

 on life -cycle of Coccidiidae, 99, 101; 

 on relations of JIalteridivm and Try- 

 2ianosoma, 103 n., 116 n., 120 ; on 

 relations of Acystosporidae, 106 ; on 

 conjugation in Flagellates, 116 n. ; on 

 Trypnnosornu, 120 ; on Treponema, 



