662 



INDEX 



120; Fauna Arctica, 199 n. ; on Halere- 

 mita, 257 



Schaudinnia arctica, 200 



Scheel, on brood-foruiation in Amoeba 

 proteus, 56 n. 



Schewiakoff, on pi'otoplasinic granules, 

 6 n. ; on geographical distribution of 

 fresli-water Protozoa, 47 n. 



Scliiemenz, on the way in which Starfish 

 open bivalves, 440 



Schizaster, 556 



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

 of Haemosporidae, 102 ; of Acysto- 

 sporidae, 104 f. 



Schizogregarinidae, 97 



Schizomycetes, 36 f., 44 



Schizout, 99 ; of Acystosporidae, 103, 1041'. 



Schizopathes, 40S 



Schizophytes, relations of, 48 



Schizotricha (Ciliata), 13S ; S. socialis, 

 branched tube of, 152 ; S. dichotoma 

 (Plumulariidae, 270), 276 



Schlumberger, on dimorphism of Forami- 

 nifera, 67 



Schneider, on Sporozoa, 94 



Schranimen, 215 n. 



Schroter, on Myxomycetes, 93 n. 



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

 141 n. 



Schultze, Max, on Protozoa and on proto- 

 plasm, 46 ; on structure of Foraminifera, 

 62 



Schulze, F. E., on Heliozoa, 71 ; on Sponges, 

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

 318 



Suhiitt, on Dinollau-ellata ("Peridiniales "), 

 119, 132 



Sclevobase, 371, 407 



Scleroblast, 171, 330 



Scleroderm, 371 



Sclerogorgiidae, 351 



Sclerophytuvi, 330, 336, 348, 3p ; S. 

 querciforme, 348 



Scopula, 141 n. 



Scuta buccalia, of Oi^hiothrixfrcujilis, 485 



Scutellidae, 540 



Scy2)hidia, 138, 158 ; .S'. scoipaenae, 

 Zooxanthella, symbiotic in, 125 



Scyphistoma, 3l7 



Scyphomedusae, 310 f. 



Scyphozoa, 5i(?f; colour, 310; food, 311; 

 phosphorescence, 311 ; reproduction, 

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

 osis, 311 



Scytophorus, 3S0 



Sea, luminosity or phospliorescence, pro- 

 duced by Cystoflagellata, 132, 134 ; by 

 Dinofiagellata, 132 ; red colour of, duo 

 to Dinofiagellata, 132 



Sea-anemones, 326, 365, 377 



Sea-cucumbers ( =Holotliuroidea), 561 



Sea-fans ( = species of Gorgouacea, 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, 632 ; of Colobocen- 

 trotvs, 532 ; of Heterocentrotus, 532 ; 

 of Echinocardium corclatum, 550 



Secretion, 13 



Segmentation, 32 n. ; of schizont of 

 Acystosporidae, 104 ; of oosperm, 104f.; 

 of zygotomeres, 104 f. ; of reproductive 

 cells of Vnlvox, 126, 127 ; telolecithal. 

 133 n. 



Semaeostomata, 323 



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 Dicj'stic Gre- 

 garines, 97,981'.; calcareous, of Mad re - 

 poraria, 370 



SeriatqKmi, 4Q1 



Scrtularia, 27S ; S. ahietina, 278 



Sertulariidae, 278 



Serumsporidium, 89 



Sex, binary ( = syngamy with marked in- 

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

 of Pterocephalus, 99 ; oi Stylorhynchus, 

 99, 100; of Coccidiaceae, 91 1, 99 f.; of 

 Haemosporidae, 102 f. ; of Sarcocystis 

 tenella, 108 n. ; of Volvocaceae, 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 Foranunifera 

 and of Rhizopoda — see Test ; of Radio- 

 laria — see Skeleton ; cuticular, of Flagel- 

 lates, 113 — see Theca ; siliceous reticu- 

 late, of Silicoflagellates, 110 ; -substance 

 of Foraminifera, 62 ; of Pnlytrema, 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 

 Pentaerinidae, 591 ; of Comatulidae, 594 



Sidcrastraca, 373, 375, 403 ; S. sideram, 

 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 



