632 



INDEX 



Caravella, 308 



Carbohydrates, formation of, 35 



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. 



Garmarina, 295 



Carpenter, P. H., on the classification of 

 the Crinoidea, 589 



Carpenter, W. B., classification of Fora- 

 minifera, 58 ; on their true nature, 62 ; 

 on their structure, 63 f. ; on Arenacea, 

 65 f. ; on the nervous 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. 



Caryophyllia, 386, 398 



Cash, on Rhizopoda, 58 n. 



Cassidulidae, 554 



Cassidulina, 59 



Gassiopea, 32 4 



Cassiopeidae, 324 



Castellani, on Trypanosomic fever and 

 sleeping sickness, 120 



Catabolic, catabolism, 13 f., 24 



Cataclysmal metamorphosis of Dipleurula, 

 613 



Catallacta, 89 



Catostylidae, 325 



Cattle, Trypanosomic diseases of, 119 f. 



Caudal cirrhi, 139 f. 



Caudina, 575 



Caullery and Mesnil, on Actinomyxi- 

 diaceae, 98 n. 



Gavernularia, 359, 364 G. 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 Volvox, 126, 127 ; collar-, 

 of Choanofiagellates, 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 Gol- 

 lozottm incrme, 76 



Centrifugal force, stimulus of, 19 f. 



Centriole, 25, 27 



Centripetal canals, 289 



Centro-dorsal ossicle, of Crinoidea, 580 ; 

 of Anteclon rosacea, 582 ; of Actino- 

 metra, 588, 594 ; of Atelecrinus, 594 



Centrogenous (used of spicules = meeting 



in a common centre and growing out- 

 wards), 76 

 Genlropyxis, 51 ; test of, 55 ; O. aculeate 



reproduction of, 57 

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



( = blepharoplast) in Flagellates, 115 

 Centrosphere, 25 f., 27 

 Gentrostephanus, 522, 539 ; G. longi- 



spinosus, 522, 532, 539 

 Cephalis ( = uppermost chamber of mouax- 



onic Radiolarian shells), 83 

 Gephalodiscus, 617 

 Cephalont of Gregarines, 98 

 Cephalopoda, erroneous reference of Fora 



minifera to, 62 

 Gephea, 325 

 Cepheidae, 324 



Geratella, 263, 271 ; G. fusca, 271 

 Ceratellidae, 271 

 Ceratiicm, 110 ; habitat of, 131 

 Ceratosa, 211, 220 

 Gercomonas, 116 n., 119 ; G. dujardini, 



gametes of, 116 n. 

 Gereactis (family Actiniidae, 381) ; 



aurantiaca, 378 

 Cerianthidea, 367, 373, 377, 409 

 Gerianthus, 328, 366, 409 ; nematocyst of, 



247 ; G. americanus, 411 ; C. batky- 



metricus, 411 ; G. lloydii, 411 ; G. 



membranaceus, 370, 410, 4H 



oligopodus, 411 ; G. vogti, 411 

 Cestidae, 420 



Cestoidea, 413, 414, 416, 420 

 Gestus,420 ; G. pectenalis, 420 ; G. veneris, 



All, 420 

 Chaetetidae, 346 

 Chalarothoraca, 71 

 Ghalina, 217, 223 

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

 Challengeridae (a family of Phaeogromn 



79) ; shells, skeleton of, 84, 85 

 Chambered organ, of Antedon rosace 



584 ; of Pentacrinidae, 592 

 Chambers, of Foraminiferal shell, 62 

 Chapman, on Foraminifera, 58 n., 70 

 Gharistephane, 417 

 Gharybdea, 311, 314, 319 ; G. xaymacan 



310, 319 ; C. marsupialis, 319 



grandis, 319 

 Charybdeidae, 318 

 Gheilostomella, 59 

 Cheilostomellaceae, 59 

 Chela (a complex microsclere derived fror 



a sigma and consisting of a curved shaf 



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 



