INDEX 447 



PAGE 



Holmia and Paradoxidcs, Olciwpsis as intermediate form 239 



kjcritlfi, compared with Holmia ? maccr T^^Z^ 3i4 



? maccr Walcott, new species described 313 



figured, pi. 54, fig. 1 326 



compared with Holmia kjcnilfi 3' 3, 3^4 



Holmia rowei 3^4 



rowei, compared with Holmia ? maccr 314 



occurrence in southwestern Nevada 13 



Holopca swecti Whitfield, listed with St. Lawrence fauna 356 



f sweeti Whitfield, listed from locality 78 361 



Holothurians, from British Columbia 4- 



f rom Middle Cambrian 43 



diagrammatic illustration of 43 



mentioned in second paper 148 



Holothuriidae, family named 52 



represented by Laggania cainbria and Louisclla pcdiiiiculata 45 



Holothurioidea Siebold, class named 45 



ancient origin of, established 43 



mentioned I49 



six families recognized by Lankester 45 



hota, see ObolcUa. 



Hota (gray) Cliffs, Robson Peak district, locality described 329 



illustrated, pi. 57, fig. i 33''^-339 



new name 333 



Hota formation, comnarative stratigraphic sections 343 



in stratigraphic section 338 



new formation name 335 



summary stratigraphic section 341 



Upper Cambrian locality 76, New York Z7^ 



howclli, see Baihyuriscus. 



Hoyt limestone, apparent association with Aylmer sandstone, Chazy 253 



New York, Upper Cambrian localities 76 and 76a 258-294 



species named 253 



hoyti, see Pelagiclla and Platyccras. 



Hoyts quarry, Saratoga County, New York, fossils from 252 



Hudson Bay area, discussed 3 



Hiicnclla orientalis (Walcott) (=^ Syiitrophia oricntalis Walcott), present 



and former generic reference 72 



Hunga (chief) Glacier (:= Robson Glacier) 331 



new name 333 



Robson Peak district, illustrated, pi. 57, fig. 2 338-339 



pi. 58, figs. I, 2 340-341 



text fig. 12 331 



locality described 328 



Hungia billingsi Walcott, new species, listed in stratigraphic section 336 



Hurd mountain, British Columbia, Canada 186 



