482 



ROBERT TRACY JACKSON ON ECHINI. 



Holectypina, 28, 55, 62, 78, 188, 189, 196, 198, 204, 208, 



209, 217, 218, 223. 

 Holectypus, 150, 170. 



hemisphaericus (by error spelt hemisphericus), 148, 



491. 

 Holopneustes, 361. 



purpurescens, 159. 

 Homotoechus, 407. 

 Homoloechus harlii, 408. 

 horridum, Dermatodiadema, 154. 

 [Humphreys, George], 27. 



Hupe", M. H. See Dujardin, M. F., and Hupe", M. H. 

 Huxley, Thomas, 31. 



Hyatt, Alpheus, 9, 14, 15, 16, 17, 66, 199, 232, 292, 296, 349. 

 Hyattechinus, 18, 23, 34, 58, 61, 71, 74, 81, 85, 86, 89, 



190, 194, 206, 209, 213, 225, 226, 291, 299, 394, 395, 



400. 

 beecheri, 12, 16, 17, 22, 25, 28, 32, 34, 64, 65, 67, 173, 



210, 225, 226, 237, 292, 293, 297. 

 pentagonus, 17, 21, 22, 32, 66, 67, 210, 225, 237, 292, 



293, 295, 298. 

 rarispinus, 12, 17, 21, 22, 25, 32, 50, 66, 77, 210, 225, 



237, 251, 290, 292, 296, 297, 298, 395, 396. 

 Hybochinidae, 393. 

 Hybochinus, 412. 



spectabilis, 76, 421. 

 Hyboechinus spectabilis, 421. 

 Hypsiechinus, 65, 210. 

 hystrix, Asthenosoma, 156. 



ijimai, Asthenosoma, 109, 110, 156. 

 illinoisensis, Archaeocidaris, 258, 266. 



Perischodomus, 233, 401, 406. 

 illinoisensis, Tretechinus, 406. 



imbricatus, Lepidechinus, 52, 237, 394, 395, 397, 398, 399. 

 imbricatus, Lepidocentrus, 399. 

 imperialis, Phyllacanthus, 100, 102, 194. 

 Indiana, Pseudoboletia, 126, 162. 

 indianensis, Melonechinus, 15, 16, 67, 230, 231, 364, 369, 



373, 381, 385, 390. 

 indianensis, Melonites, 369. 

 indistinctum, Kamptosoma, 34. 

 intermedia, Hemicidaris, 103, 154. 



Maccoya, 60, 89, 227, 303, 308, 312, 314, 321, 322, 



323, 335. 

 intermedius, Palaechinus, 314. 



Palaeechinus, 303, 314. 



Palechimis, 314. 

 intricatus, Lepidechinus, 399. 

 iowensis, Lepidechinus, 337, 395, 397, 398. 

 irregularis, Lepidechinus, 237, 395, 396. 

 irregularis, Lepidocentrus, 434. 



Melonechinus, 375. 



Melonites, 375, 380. 

 irregularis, Pholidocidaris, 76, 234, 237, 433, 434, 440, 441, 



442, 457. 

 irregularis, Rhoechinus, 303, 394, 396. 



Jackson, R. T., 10, 14, 18, 19, 50, 64, 68, 71, 76, 107, 171, 



175, 199, 210, 232, 243, 289, 293, 295, 321, 323, 

 341, 354, 358, 380, 391, 393, 394, 434, 438, 439 



Jackson, R. T., and Jaggar, T. A., Jr., 68, 362, 376, 377, 

 378, 381, 439. 



Jaekel, Otto, 10, 88, 239, 241, 242. 



Jaggar, T. A., Jr., 9. 



Jaggar, T. A., Jr. See Jackson, R. T., and Jaggar, T. A., Jr. 



Jeffreys!, Pourtalesia, 52, 72. 



josephinae, Palaeotropus, 53. 



Julien, Alphonse, 10, 263, 327, 328, 442, 396, 451, 452. 



kaiserlitigi, Eocidaris, 245, 246. 



Kamptosoma indistinctum, 34. 



kaskaskiensis, Agelacrinus, 458. 



kaskaskiensis, Discocystis, 468. 



kaskaskiensis, Echinodiscus, 458. 



Keeping, Walter, 10, 278, 314, 315, 321, 322, 385, 386, 



387, 395, 396, 402, 403, 457. 



keeping!, Melonechinus, 230, 231, 364, 384, 386, 391. 

 keokuk, Archaeocidaris, 258, 259, 267, 457. 

 keokuk, Heterocidaris, 267, 433, 456, 457. 

 Keyes, C. R., 10, 172, 266, 268, 273, 335, 363, 379, 380. 

 keyserlingi, Cidaris, 245. 



Eocidaris, 246. 



Eotiaris, 246. 



keyserlingi, Miocidaris, 190, 212, 238, 245, 248, 249. 

 Kit chin, F. L., 112, 275, 278, 450. 



Klem, Mary J., 10, 67, 235, 267, 268, 270, 271, 311, 353, 

 355, 366, 368, 377, 380, 392, 394, 434, 438, 451, 458. 

 klipsteini, Cidaris, 245. 



Miocidaris, 245. 

 Koehler, R&ie, 120. 

 koenigi, Palaechinus, 451. 

 konigi, Palaeechinus, 451. 

 koenigii, Echinus, 450. 



Palaechinus, 450. 



Palaeechinus, 451. 



Xy -stria, 451. 



konigii, Palaechinus, 304, 305, 460, 451. 

 Koninck, Laurent de, 280, 303, 312, 317, 318, 326, 330, 



333, 409, 410, 411, 412. 

 konineki, Archaeocidaris, 258, 446. 

 konincki, Eocidaris, 446. 



Palaechinus, 305, 451. 



Palechinus, 451. 

 Koninckocidaris, 206, 209, 224, 225, 284. 



cotteaui, 11, 224, 225, 237, 284, 286, 286. 



Silurica, 225, 236, 284, 286, 287, 289, 414. 



lacazei, Lovenechinus, 11, 28, 34, 50, 89, 172, 303, 305, 



307, 308, 312, 317, 318, 320, 326. 

 lacazei, Maccoya, 326. 



Palaechinus, 304, 326. 



Palechinus, 326. 



ladina, Archaeocidaris, 258, 446. 

 laevis, Archaeocidaris, 262. 

 laevis, Lepidesthes, 415, 418. 

 laevispina, Cidaris, 255, 256. 

 laevispina, Eocidaris, 223, 236, 265. 



