662 



INDEX 



120 ; Fauna Arctica, 199 u. ; on llalere- 

 mita, 257 



Schaudinnia arctica, 200 



Scheel, on brood-formation in Atiioeba 

 proteus, 66 n. 



Sohewiakoff, on protoplasmic granules, 

 6 n. ; on geographical distribntion of 

 fresb-water Protozoa, 47 n. 



Sohieraenz, on the way in which Starfish 

 open bivalves, 440 



Schizaster, 656 



Schizogony, of Coccidiaceae, 99 f., 101 f. ; 

 of Haemosporidae, 102 ; of Acysto- 

 sporidae, 104 f. 



Sohizogregarinidae, 97 



Schizomycetes, 36 f. , 44 



Schizont, 99 ; of Acystosporidae, 103, 104f. 



Schizopathes, 1^08 



Sohizophytes, relations of, 48 



Schizotrioha (Ciliata), 138 ; S. socialis, 

 branched tube of, 152 ; .S. diclwtoma 

 (Plumulariidae, ^9), 276 



Schlumberger, on dimorphism of Forami- 

 nifera, 67 



Schneider, on Sporozoa, 94 



Schrammen, 215 n. 



Schroter, on Myxomycetes, 93 u. 



Schuberg, on cilia and ciliary motion, 18 n., 

 141 n. 



Schnltze, Max, on Protozoa and on proto- 

 plasm, 46 ; on structure of Foraminifera, 

 62 



Schulze, P. B., on Heliozoa, 71 ; on Sponges, 

 167, 197 n., 199, 200 ; on Spongicola, 

 318 



Schlitt, on Dinoflagellata ("Peridiniales "), 

 119, 132 



Scleiobase, 371, 407 



Scleroblast, 171, 330 



Scleroderm, 371 



Sclerogorgiidae, S51 



Sderophytum, 330, 336, 34S, $49; S. 

 queniforme, 348 



Scopula, 141 n. 



Scuta buccalia, of Ophiotlirixfragilis, 485 



Scutellidae, 549 



Scyphidia, 1S8, 158 ; S. scorpaenae, 

 Zooxantliella symbiotic in, 125 



Scyphistoma, 317 



Scyphomednsae, SIO f. 



Scyphozoa, 5i0f; colour, 310; food, 311; 

 phosphorescence, 311 ; reproduction, 

 316 ; size, 310 ; strncture, 312 ; symbi- 

 osis, 311 



Scytophorus, S80 



Sea, luminosity or phosphorescence, pro- 

 duced by Cystoflagellata, 132, 134 ; by 

 Dinoflagellata, 132 ; red colour of, dne 

 to Dinoflagellata, 132 



Sea-anemones, 326, 365, 377 



Sea-cucumbers ( = Holothnroidea), 561 



Sea-fans ( = species of Gorgonacea, 350) 



Sea-lilies ( = Crinoidea, 580 f.) 



Sea-pens, 326, 358 



Sea-pansy, 364 



Sea-urchins ( = Echinoidea), 503 ; ovum of, 7 



Secondary body-cavity ( = Coelom, q.v.) 



Secondary spines, of Echinus esculentus, 

 506 ; of Cidaridae, 532 ; of Oolobocen- 

 irotvs, 632 ; of HeterocentrofMS, 632 ; 

 of Schinocardium cordatum, 550 



Secretion, 13 



Segmentation, 32 n. ; of schizont of 

 Acystosporidae, 104 ; of oosperm, 104f.; 

 of zygotomeres, 104 f. ; of reproductive 

 cells of Volvox, 126, 127 ; telolecithal, 

 133 n. 



Semaeostomata, 3SS 



Semon, on the phylogeny of Echinodermata, 

 622 



Semper's larva, 405 



Senility in life-cycle of Ciliata, 148 



Senn, on Flagellates, 119 



Sense-organs of Metazoa, 40 



Sensory cilia, 141 



Septum, protoplasmic, in Dicystic Gre- 

 garines, 97, 98 f. ; calcareous, of Madre- 

 poraria, 370 



Seriatopora, 401 



Sertularia, S78 ; S. abidina, 278 



Sertulariidae, 27S 



Seruinsporidium, 89 



Sex, binary ( = syngamy with marked in- 

 equality between the pairing-cells), 33 f. ; 

 of Pterdcephalus, 99 ; of Stylorhynchus, 

 99,100; of Coccidiaceae, 97 f., 99 f.; of 

 Haemosporidae, 102 f. ; of Sarcocystis 

 tenella, 108 n. ; of Volvooaceae, 128 f. ; 

 of Eudorina, 129 ; of Peritrichaceae, 

 151 f. 



Sex, ternary, of Pandorina, 128 f. 



Sexual fusion of Halteridium, 103, 105 



Sheath, tentacular, of Suctoria, 159 



Sheep, host of Sarcocystis tenella, 108 n. 



Shell, of Diatomaceae, 84; of Foraminifera 

 and of Rhizopoda — see Test ; of Eadio- 

 laria — see Skeleton ; cuticular, of Flagel- 

 lates, 113 — see Theca ; siliceous reticu- 

 late, of Silicoflagellates, 110 ; -substance 

 of Foraminifera, 62 ; of Polytrema, 62 



Shipley, 197 n. 



Sickle - cells, sickle-germs, 48, 94 f., 97, 

 101 ; of Lankesteria, 95 ; of Sarco- 

 sporidiaceae, 108 



Side-plates, of arms of Crinoidea, 589 ; of 

 Peutacrinidae, 591 ; of Comatulidae, 594 



Sidcrastraca, 373, 375, 4OS ; S. sideraea, 

 403 



Siebold, v., on Sporozoa, 94 



Siedlecki, on Sporozoa, 94 ; on reproduction 

 of Lankesteria, 96 n. ; on life -cycle of 

 Coccidiidae, 99 



Sierra Leone, prophylaxis of malaria at, 

 106 



