632 



INDEX 



Garavdla, 308 



Carbohydrates, formation of, 33 



Carbon dioxide, attracts Paramecium, 23 ; 

 excretion of, 8, 13 f. ; secreted by 

 Arcella, etc., 53 



Carchesium, 138 ; feeding of, 145, 158 



Carinal ossicle of Asteroidea, 436 



Carlgren, 378 n. 



Cannarina, 295 



Carpenter, P. H., on the classification of 

 the Crinoidea, 589 



Carpenter, W. B., classitication of Fora- 

 minifera, 58 ; on their trne natnre, 62 ; 

 on their structnre, 63 f. ; on Arenacea, 

 65 f. ; on the nervons system of Ante- 

 don rosacea, 585 



Carpoidea, 580, 596 f. 



Carter, on Protozoa, 45 ; on Sponges, 167, 

 180, 208, 237 n. ; on fossil Hydrozoa, 

 270 n. 



CaryophyUia, 386, 39S 



C'asli, (111 i;iiizopoda, 58 n. 



Cii^si.liilhlae, 554. 



C^snbilnui, 59 



Cassiopea, 3^4 



Cassiopeidae, 324 



Castellaui, on Trypanosomic fever and 

 sleeping sickness, 1'20 



Catabolie, catabolisiii, 13 f., 24 



C'ataclysmal metamorphosis of Diplenrula, 

 613 



Catallacta, c^^ 



Catostylidae, 335 



Cattle, Trypanosomic diseases of, 119 f. 



Caudal cirrhi, 139 f. 



Caudina, 575 



Caullery and Mesnil, on Actinomyxi- 

 diaceae, 98 n. 



Cavernularia, 359, 364 : C. obesa, 364 



Cell, 3 f. ; definition of, 3 ; nutrition of, 

 15 f., 35 f. ; -membrane of ovum of 

 Sea - urchin, 7 ; -wall, 3 ; in Flagel- 

 lates, 109, 113 ; in Dinoflagellates, 130 ; 

 -boundary in Flagellates, 113 ; -division, 

 24 f., 25, 27 ; Spencerian division, 31 f. ; 

 -unions in Volvnx, 126, 127 ; collar-, 

 of Choanortagellates, 121, 122 ; of 

 Sponges {=choanocytes), 171, 176, 186 



Cellular relationship explained, 10 



Cellulose, 37 ; cell-wall of holophytic Fla- 

 gellates, 113 ; in Dinoflagellates, 130 



Central blood plexus — see Heart 



Central capsule, 49, 76, 77, 82, 84 ; its 

 functions in regeneration, 35 ; of Col- 

 lozoum inci-me, 76 



Centrifugal force, stimulus of, 19 f. 



Centriole, 25, 27 



Centripetal canals, 289 



Centro-dorsal ossicle, of Crinoidea, 580 ; 

 of Antedon rosacea, 582; of Adino- 

 vietra, 588, 594 ; oi Atdecrinus, 594 



Centrogenous (used of spicules = meeting 



in a common centre and growing out- 

 wards), 76 

 Ccntropyxis, 51 ; test of, 55 ; C. acvleata, 



reproduction of, 57 

 Centrosome, 19, 26 f. ; of Heliozoa, 72 ; 



(=l)lepharoplast) in Flagellates, 115 

 Ccntrospiiere, 25 f., 27 

 Centroslephanus, 522, 539 ; C. hnuji- 



spino.sHS, 522, 532, 539 

 Cei)halis ( = uppermost chamber of nionax- 



onic Radiolarian shells), S3 

 Cepludodisrns, 617 

 Cephalont of Gregarines, 98 

 Cephalopoda, erroneous reference of Fora- 



minit'era to, 62 

 Cephea, 3'^5 

 Cepheidae, 324 



CerateUa, 263, 271 ; C. fusca, 271 

 Ceratellidae, '271 

 Ceratium, 110; habitat of, 131 

 Ceratosa, 211, 220 

 Cercomonas, 116 n., 119 ; C. dujanlini, 



gametes of, 116 n. 

 Cereactis (family Actiniidae, 381) ; G. 



aurantiaca, 378 

 Cerianthidea, 367, 373, 377, 409 

 Cerianthus, 328, 366, 409 ; nematocyst of, 



247 ; 0. amcricanus, 411 ; C. bathy- 



vietricus, 411 ; C. lloydii, 411 ; C. 



membranacens, 370, 410, 4II \ G. 



oligopodus, 411 ; C. vogti, 411 

 Cestidae, 420 



Cestoidea. 413, 414, 416, 420 

 C^stus,420 ; C. pectenalis, ^20 ; C. veneris, 



417, 420 

 Chaetetidae, 346 

 Chalarothoraca, 71 

 Chalina, 217, 223 

 Chalk, Foraminifera, etc., in, 69 f. 

 Challengeridae (a family of Pliaeogromia, 



79) ; shells, skeleton of, 84, 85 

 Chambered organ, of Antedon rosacea, 



584 ; of Pentacrinidae, 592 

 Chambers, of Foraminiferal shell, 62 

 Chapman, on Foraminifera, 58 n., 70 

 Charistej>hane, 417 

 Gharybdea, 311, 314, 319 ; C xaymacana, 



310, 319 ; C. marsupialis, 319 ; O. 



grandis, 319 

 Charybdeidae, 318 

 GheUostmnella, 59 

 Cheilostomellaceae, 59 

 Chela (a complex nucrosclere derived from 



a sigma and consisting of a curved shaft 



bearing recurved processes), 234 

 Chemical, reactions, of protoplasm and of 



vacuoles, 13 ; substances in solution, 



19, 22 f. ; rays of spectrum in relation 



to plant pigments, 36 n. 

 Chemiotaxy, 23 ; its rule in syngamy, 34 ; 



of Coccidians, 100 

 Chirodropidae, 319 



