4/3 



GENERAL INDEX 



rarity of, I, 24. 



scope of this work, 2. 



— subdivisions of, 75, 76. 



thickness of plates, 24. 



Foerste, August F., 17. 

 Folds and ridges, 37. 

 Food-grooves, 22, 107, 447. 



Forbesiocrinus, 24, 25, 26, 34. 35, 37, 4*, 42, 43, 44, 

 53, 55, 64, 65, 76, 114, 117, 118, 170, 217, 225-244, 

 338,339, 341- (Text-figs. 2<j, b; 10, 26, 27; 29-31). 



anal area, 235.- 



articulations and sutures, 232-235. 



interbrachial structures, 229, 237, 376. 



■ nomenclature. 226, 241, 243. 



orientation of infrabasals, 240, 256, 260. 



" patelloid plates," 44, 239. 



relations to Taxocrinus, 235, 378. (PI. XXI ; 



text-figs. 27, 28). 



thickness of plates, 238, 239. (Text-figs. 



29-3I)- 



type of, 244. 



the species of, 245. 



agassizi, 242, 250. (Text-fig. 35; Pis. XXI, 



fig. 2; XXV, figs. i-6g; XXVI, figs. 10-20*). 



var. gigantcus, 250, 252. 



astcriacformis, 422. 



burlingtonensis, 253. (PI. XXVI, figs. 2,a-$). 



■ ccstricnsis, 383, 408, 409. 



communis, 245, 387. (PI- XX, figs. 4-8). 



divaricatus, 223. 



clcgantuhis, 405. 



giddingei, 405. 



greenei, 92, 258. (PI. XXX, figs. 1-26). 



incurvus, 335. 



jcrseyensis, 253, 254. 



juvenis, 392. 



kclloggi, 388. 



lobatus, 313, 386. 



var. tardus, 253, 254. 



macadamsi, 253, 254. 



mccki, Hall. 383, 398, 399, 414. 



mccki, Quenstedt, 414. 



monroensis, 430, 432. 



multibrachiatus, 255, 399- 4*6. (Pis. XXVIII, 



figs. 10-19; XXIX, figs. 4, 5). 

 nobilis, 26, 43, 234, 243, 249. (Text-figs. 29-31 ; 



Pis. XXI, fig. 1; XXII, figs. 10-4; XXIII, figs. 



1-8, 10; XXIV, figs. 10-27). 



iiorivoodi, 430, 432. 



nuntius, 302. 



(Lithocrinus) obesus, 170, 173. 



parvus, 383, 408, 409. 



prattcni, 244. 



pyriformis, 257. (PI. XXIX, figs. 60-76). 



ramulosus, 395, 433. 



robustus, 223. 



saffordi, 26, 35, 240, 259. (Pis. XXI, fig. 3; 



XXX, figs. 30-17; XXXI, figs. 10-106). 

 ■ scmiovatus, 436. 



shumardianus, 406. 



speciosus, 255, 256. 



spmifcr (spinigcr), 231. (PL XLIV, fig. 5)- 



sp., 248. (PI. XXIII, fig. 9). 



sp., 248. (PI. XXIII, figs. 110-13). 



— sp., 248. (PI. XXIV, figs. 280-296). 

 ■ subramulosus, 396. 



tardus, 313. 



thicmci, 326, 329. 



■ washingtonensis, 256. (PI. XXIX, figs. 



la-36). 

 whitficldi, 408, 409.. 



wortheni, 253, 255. (PI. XXVII, figs. 1-8). 



Free brachials, 21. 



Fraipont, Julien, 307. 



Fultz, F. M., 17: 



Funnel-shaped vessel, 33, 35, 241, 269, 324. (Text- 

 fig. 20; PI. XXX). 



Fused top columnal, 29, 102, 240. 



Fusion of basals and infrabasals, 29, 38, 119, 232, 

 240. 



Gasterocomidae, 454. 

 Gazacrinus, in. 

 Genera, list of, 94, 121. 



Geographical and Geological distribution, 93-99, 



116, 124, 206, 263, 344. 

 Girty, Geo. H., 17. 

 Glenn, L. C., 17. 

 Glyptocrinus, 77. 



e.rpansus, 218. 



Gnorimocrinus, 57, 64, 67, 86, 178, 34s, 353-354, 

 365,379- (Text-fig. 47). 



the species of, 354. 



austini, 352. 



cirrifer, 355. (PI. XLVII, figs. 7-12). 



distcnsus, 352. 



cxcavatus, 308, 354. 



expansus, 354. (PI. XLVII, figs. 1-6) 



intcrbrachiatus, 350. 



loveni, 212, 354. 



oblongatus, 354, 359. 



ovalis, 351. 



puuctatus, 353. 



■ rigcus, 354. 



saltcri, 352. 



tubulifcrus, 352. 



varians, 356. (PI. XLVII, figs. 130-17). . 



Goldring, Winifred, 18. Expl. PI. LII, figs. 9-11. 

 Gotland, 9, 133, 134. 



Grabau, A. W., 17. 



Greene, Geo. K., 8, 10. 



Greger, D. K., 10. 



Gregory, J. W., 819. 



Guettardicrinus, 92, 259. 



Gut, or hind gut ; in larval stages, 22, 68, 69, 72, 80 

 81 note, 86. 



modification of calyx due to, 67, 86. 



movement of in Recent crinoids, 69, 80. 



recurving of in ventral sac, 22. 



Hadrocrinus, arms of, 47. 



Hall, James, 7, 44, 127, 266, 279, 287, 289, 399, 444. 



Hambach, G., 12, 17. 



Hamilton, group, 9, 10, 14. 



Harvard University, Museum, 6. 



Hathrometra, anal plate, 69. 



Helderbergian, 9. 



