4SG 



ROBERT TRACY JACKSON ON ECHINI. 



Palaechinus (continued). 



quadriserialis, 305. 



rhenanus, 288. 



robineti, 305, 452. 



rutoti, 396. 



sp., 305, 326, 468. 



sphaericus, 303, 312, 317, 318, 326, 328, 330. 



sphericus, 317, 326. 



verneuiliana, 245. 



Palaeechinidae, 10, 16, 17, 54, 66, 67, 68, 70, 72, 73, 74, 78, 

 82, 83, 104, 172, 207, 209, 226, 229, 230, 232, 237, 

 254, 302, 305, 362, 363, 378, 384, 393, 400, 405, 

 407, 410, 412, 413, 420, 451, 454. 

 Palaeechinoida, 234, 448. 



Palaeechinus, 10, 18, 23, 27, 53, 54, 58, 60, 63, 66, 67, 83, 

 89, 171, 173, 190, 207, 209, 227, 228, 232, 237, 302, 

 303, 304, 305, 310, 311, 312, 313, 317, 320, 325, 340, 

 341, 356, 360, 363, 372, 381, 385, 394, 395, 396, 400, 

 452, 453, 454. 



burlingtonensis, 303, 313. 



elegans, 54, 59, 89, 229, 230, 231, 303. 305, 308, 403, 

 414, 420. 



ellipticus, 31, 303, 305, 306, 307, 308, 326, 329. 



gigas, 303, 304, 321, 346. 



gracilis, 303, 323. 



intermedius, 303, 314. 



konigi, 451. 



minor, 305, 310. 



phillipsiae, 303, 316. 



quadriserialis, 16, 22, 27, 67, 68, 191, 227, 303, 306, 

 307, 308, 309, 313, 349, 439. 



regnyi, 305, 461. 



sphaericus, 303, 317, 326, 328. 

 Palaeocidaris, 256, 257. 



ellipticus, 307. 



exilis, 463. 



nerei, 262. 



prisca, 276. 



protei, 262. 



rhenanus, 288, 455. 



rossica, 263. 



Palaeodiscidae, 206, 209, 221, 260. 



Palaeodiscus, 81, 177, 181, 200, 209, 211, 213, 260, 251, 

 252, 295. 



ferox, 222, 236, 260. 



gothicus, 250, 463. 

 Palaeoechinus dispar, 365. 



paradoxus, 270. 



Palaeospatangus skiptoni, 453. 

 Palaeotropus josephinae, 53. 

 Palechinus, 304, 311. 



dispar, 365. 



ellipticus, 307, 326. 



gigas, 321, 346. 



intermedius, 314. 



konincki, 451. 



lacazei, 326. 



phillipsiae, 303, 312, 316. 



rutoti, 396. 



Palechinus (continued) . 



sp., 452 



sphaericus, 317, 326. 

 Palechtinus dispar, 365. 

 palheni, Bothriocidaris, 242. 

 pallidum, Chaetodiadema, 108, 110, 156. 

 pallidus, Amblypneustes, 159. 

 panamensis, Cidaris, 34. 

 panamensis, Dorocidaris, 34. 

 papillata, Cidaris, 61, 182. 

 papillata, Dorocidaris, 96. 

 paradoxa, Archaeocidaris, 237, 258, 270. 

 paradoxa, Echinosigra, 72. 

 paradoxa, (Pourtalesia), 72. 

 paradoxus, Palaechinus, 270. 



Palaeoechinus, 270. 

 Parasalenia, 176, 203, 204, 215. 



gratiosa, 176. 

 parma, Echinarachnius, 35, 49, 54, 56, 58, 81, 179, 189, 



196, 197. 



parvus, Melonechinus, 364, 365. 

 parvus, Oligoporus, 365. 



pattersoni, Salenia, 88, 111, 157, 170, 171, 172. 

 pectoralis, Metalia, 54, 57, 58. 

 Pedina, 104. 



rotata, 155. 

 Pelanechinus, 61. 



corallinus, 444. 

 Peleoypoda, 14, 71, 199. 

 Pelmatozoa, 77. 

 Peltastes, 11, 174, 175, 214. 



stellulata, 156. 



wrighti, 11, 157, 174, 398. 

 peltatus, Goniopygus, 103, 154. 

 pentagonus, Hyattechinus, 17, 21, 22, 32, 66, 67, 210, 



225, 237, 292, 293, 296, 298. 



Perischocidaris, 59, 77, 78, 171, 208, 209, 211, 233, 237, 

 407. 



harlei, 408. 



harteiana, 10, 233, 237, 407, 408, 424, 491. 

 Perischodomus, 10, 18, 65, 67, 71, 74, 190, 207, 209, 210, 

 233, 237, 284, 393, 396, 401, 404, 405, 407. 



biserialis, 64, 70, 76, 233, 237, 309, 401, 411. 



bisserialis, 401. 



[cotteaui], 285. 



gracilis, 291. 



hartei, 408. 



harteiana-, 491. 



illinoisensis, 233, 401, 406. 



magnus, 401, 453. 

 Perischoechinida, 253. 

 Perischoechinidae, 253. 



Perischoechinoida, 29, 30, 79, 181, 182, 183, 186, 188, 192, 

 194, 196, 205, 209, 211, 212, 220, 221, 222, 253, 350, 

 361, 362, 363, 379, 408, 413, 414, 415, 417, 438, 446. 

 perlatus, Stomechinus, 155. 

 Pernwcidaris, 245, 256, 257. 



forbesi, 280. 



forbesiana, 280. 



