CARADOCIAN CYSTIDEA FROM GIRVAN. 



523 



attachment, of Dendrocystis, 584, 585 ; of Plenro- 



cystis, 611 ; of Trochocystis, 252. 

 *' axial ridges," 402. 



B 2 of Schmidt, 35. 

 B3 of Schmidt, 288. 

 Baily, W. H., 466, 615. 

 Bala Limestone, 447. 

 Balmocystis, 26, 358 : lagenula. 

 Balclatchie, 4. 



group, 4, 5, 564. 



Baltic Provinces, 7, 35, 36, 42, 151, 288, 308, 339, 



559-568. 

 bcdtica, Rhipidocystis, 36, tf. 3. 

 Bardahessiagh, 466, 468. 



beds, 467. 



Bargany Pond Burn, 4. 



Barrandb, J., 39, 40, 41, 47, 53, 54, 55, 56. 57, 



67, 68, 74, 76, 87, 89, 108, 110, 247, 286, 615. 

 barrandei, Dendrocystis, 42, 43, 47, 53, 59, 62, 63, 64, 



75, 79, 89, 149, 561, 576, PI. i. ff. l-4,tf. 6, 7. 

 bairandei, Trochocystis, 253, tf. 31, 32. 

 Barren Flagstone group, 4. 

 basal rim, Dendrocystis, 59, 60; D. barrandei, 98; 



D. scotica, 135. 

 basals, Dendrocystis, 59 ; D. barrandei, 98 ; D. 



scotica, 135; D. sedgwicki, 116; Plturocystia 



rugeri, 451. 

 Basal Sandstones, 6. 

 base, Cheirocrinus, 292, tf. 48. 

 Bassler, R. S., 152, 565, 615. 

 bathmic force, 580. 

 Beauport, Quebec, 156. 



Bellerophun : bilohatus, perturbatus, trilobalus. 

 BeUeville, Out., 405, 422. 

 bellows-action, Cothurnocystis, 237. 

 Bergeron, J., 253 (footnote), 615. 

 Bbtrnard, F., 39, 360, 615. 

 bilaterality, 581, 582. 

 Billings, E., 40, 42, 155, 159, 286, 306, 348, 350, 



352, 354, 370, 380, 391, 403, 408, 410, 412, 



413, 414, 416, 419, 420, 422, 424, 426, 429, 



430, 432, 436, 615. 

 Billings, W. R., 12, 405, 410, 414, 416, 419, 420, 



422, 425, 615. 

 bilobatus, Bellcrophon, 6. 

 bionomics, relation to morphology, 578 ; of Cystidea, 



578-614. 

 Black River group, 152. 

 Blaen-y-Cwm, 446, 447, 448. 

 Blastoidea, 15 ; origin, 279. 

 blood-plexus, Cothurnocystis, 244. 

 Bohemia, 7. 



Bohemian Museum, 92, 111, 248, 

 bohemicus, Anoniulocystis, 26. 



bohemica, Trochocystis, 246, tf. 29, 30; supposed 

 process, 247. 



Bone, C. R., 451, 458. 



bowmanni, Illaenus, 6. 



"brachial" side, 45. 



brachioles, Cheirocrinus constrictus, 325, 326, 327 ; 

 Dendrocystis, 63-72, 583 ; D. barrandei, 100 ; 

 D. scotica, 137 ; D. sedgwicJd, 118 ; Ple.urocystis, 

 37 i; P. procera, 496; P. rugeri, 461. 



Brachiopod Shales, 7. 



Brandschiefer, Esthland, 42, 152, 288. 



British Museum, 12, 92, 111, 153, 249, 253 foot- 

 note, 255, 369, 382, 385, 389, 405, 407, 410, 

 413, 416, 422. 



Broili, F., 365, 368, 615. 



bucklandi, Trinucleus, 6. 



Burma, 309 



CI of Schmidt, 35, 288. 



C2 of Schmidt, 42, 152. 



Callocystidae, 269, 273, 281, 577. 



Callocystinae, 269, 271, 273, 274, 281. 



Callocystis, 269, 274, 281, 353, 355. 



Cambridge, see Sedgwick Mus. 



Camerata, 571. 



Camregan group, 4, 5. 



canadensis, Cheirocrinus, 307. 



Caradocian rocks, 4. 



Caradoc Sandstone, 447. 



Carpenter, P. H., 286, 348, 359, 366, 371, 615. 



Carpoidea, 1, 10, 14, 15, 262, 572; discussed, 16, 

 17, 20 



Caryocrinidae, 262, 264. 



Cefn-Llv?ydlo, 446. 



Ceratocystidae, 16, 26, 28, 32, 260, 576. 



Ceratocystis, 26, 28, 58, 78, ^55-260, 563, 573 ; 

 ancestor, 594 ; bionomics, 592, 593 : perneri. 



Chair of Kildare, 559. 



Chapman, E. J., 286, 353, 419, 420, 426, 615. 



Charleton Point, 434. 



Chazy Limestone, 429, 431. 



Cheirocrinidae, 10, 269, 281, 288, bll ; pectini- 

 rhombs, tf. 46. 



Cheirocrininae, 285. 



Cheirocrinus, 10, 269, 273, 276, 281, 286, 287, 

 291, 359, 364, 375, 556, 559, 560, 564, 574, 

 577 ; affinities, 603 ; analysis, 293 ; distribution, 

 308 ; eleutherozoic tendencies, 607 ; enlarge- 

 ment of periproct, 598 ; ? fragments, 4; gut, 384, 

 habit, 599 ; history, 289 ; stem, tf. 47 ; species, 

 307 : alter, anatiformis, angulatus, atavus, cana- 

 densis, consirictus, degener, forbesi, giganteus, 

 granulatus, insignis, interrupfus, leucktenbergi, 

 logani, nodosus, ornatus, penniger, radiatus, 

 sculptus, striatus, volborthi, walcotti. 



