INDEX 



631 



in Radiolaria, 85 f. ; in Proteoniyxa, 

 49, 88 f. ; in Sporozoa, 48, 94 f. ; in 

 Flagellata, 109, 115, 117 f. ; in Poly- 

 tomeae, 115 ; in Chlamydomonadidae, 

 115 ; in Paramoeba eilhardii, 116 n. ; 

 in Choanoflagellates, 122 ; in Protero- 

 spongia, 122 ; in Volvocidae, 127 f. ; 

 in Ciliata, 147 ; in Colpoda cucullus, 

 147. 153 ; of male Peritrichaceae, 151 

 f., 157 ; retarded, 31 f. 



Brood-mother-cell, 31 



Brood -pouch, of Pteraster, 465, 466 ; of 

 Hemiaster philippi, 556, 602 ; of Ano- 

 ohanus, 554 ; of Cucumaria laevigata, 

 602 ; of Psoitis ephippifer, 602 



Brooks, 288, 290, 308 n. 



Brown colour of lakes or ponds often due 

 to Dinoriagellates, 131 



Browne, 273, 281 n., 291 n., 312 



Bruce, Col. and Mrs., on Trypanosomic 

 fever and sleeping sickness, 120 



Bubbles of carbon dioxide formed in 

 Arcella, etc., 53 



Buccal sinus of Holothuria nigra, 566 



Buccal tentacle see Buccal tube-foot 



Buccal tube-foot (and tentacle), of Ophio- 

 thrix fragilis, 486 ; of Echinus escu- 

 lentus, 518 ; of Echinocardium cor datum, 

 551, 561 ; of Holothuria nigra, 561 ; of 

 Spatangoidea, 577 ; development of, in 

 Holotliuroid pupa, 615 



Budding, in Trichosphaerium, 54 ; in 

 Rhizopoda, 56 ; in Acanthocystis, 73 ; 

 in Acantharia, 86 11. ; in Spirochono, 

 147 ; inSuctoria, 160, 162 ; in Sponges, 

 177 f., 228, 229, 230 ; in Hydrozoa, 

 250 f., 263, 275 ; in Medusae, 270, 296 ; 

 in Scyphistoma, 317 ; in Alcyonaria, 

 340 ; in Zoantharia, 371 



Bud-fission in testaceous Rhizopoda, 55 ; 

 in Euglypha, 29 



Buffon, on organisms of putrefaction, 43 



Bulimina, 59 



Bulk and surface of organism, ratio 

 between, 14 



Bunodactis gemmacea, 378 



Bunodeopsis, 382 



Bunodes, 378, 382 ; B. gemmacea, 382 



Bunodidae, 382 



Burrowing habits, of certain Asteroidea, 

 461 ; of Astropecten, 469 ; of Paxil- 

 losa, 469 ; of Porcellanasteridae, 471 ; 

 of StrongylocentroUis lividus, 541 ; of 

 Echinarachnius par ma, 546 ; of Echino- 

 cardium cor datum, 549 ; of Spatangus 

 purpureus, 555 ; of Molpadiida, 575 ; of 

 Synaptida, 576 ; of Synapta inhaerens, 

 577 



Burrowing Urchins, 529 



Bursaria, 137, 155 



Bury, on primary axial sinus of Holo- 

 thuroid larva, 564 ; on change in posi- 



tion of mouth during metamorphosis of 

 Auricularia, 614 

 Biitschli, on protoplasm, 16 n. ; on para- 

 mylum, 95 n. ; on Protozoa, 46 ; on 

 Cystonagellates, 135 ; on classification of 

 Ciliata, 137 ; on Strombidium and Tor- 

 quatella, 155 n. ; on Sponges, 168, 

 172 n. 



Caecum (diverticulum), of alimentary canal 



of Echinocardium cor datum, 551 ; of 



alimentary canal of Elasipoda, 569, 571 

 Caenomorpha, 137, 141 n., 154 ; C. uni- 



serialis, 155 

 Cake-urchins = Clypeastroidea, q.v. 

 Calcaire Grossier, 70 

 Calcarea, 18 '4 f. 

 Calcareous ooze, 114 

 Calcareous ring, of Holothuria nigra, 566 ; 



of H. cinerascens, 567 ; of Phyllophorus 



rugosus, 567 

 Calcar omnia calcarea, 83 

 Galcituba, 59 ; growth of, 64 ; pylomes of, 



64 

 Calices of Madreporaria, 371 

 Calicoblasts, 385 

 Calkins, on nucleus in Protozoa, 25 n. ; on 



Protozoa, 46 ; on rhythm in life-cycle of 



Ciliata, 148 n. 

 Calliactis (family Sagartiidae, 381) ; C. 



parasitica, 378 

 Callianira, 418 

 Callianiridae, lf.17 

 Calthrop, 184 ; of Radiolaria, 83 

 Calycophorae, 300 f. 305 

 Calymma, 79, 82 

 Calymma, 420 

 Calymmidae, Jf20 

 Calyptoblastea, 275 f. 

 Calyx, of Echinus esculentus, 513 ; of 



Echinarachnius parma, 545 ; of Pelma- 



tozoa, 579 ; of Crinoidca, 580, 588 f. ; of 



Carpoidea, 580 ; of Cystoidea, 580, 598 ; 



of Blastoidea, 580, 599 ; of Holopvs, 



592 ; of fossil Crinoidea, 595 

 Camerata, 595 

 Campanularia, 280 

 Campanulariidae, 280 

 Gampascus, 52 ; test of, 55 

 Camptolithus, 346 

 Camptonema, 70, 73 

 Canalaria, 201 

 Canals, "feeding," afferent, or replenishing 



of contractile vacuole system in Ciliata, 



14, 143, 146 ; of Stylonychia, 139 f. ; 



of Stentor, 156 

 Cannopora, 283 

 Cannopylaea ( = Phaeodariah 

 Cannotidae, 278 



Capillitium of Myxomycetes, 90 f., 92 

 Capnea sangtdnea, 3S3 

 Capria, 321 



