INDEX 515 



PAGE 



House Range, Utah, Middle Cambrian localities 3x, iiq, 30g 403 



Middle Cambrian localities 3s, 3t, 8g, 4, 15b, loy, loz. .. . 390 



locality no 354 



30 I, 3oy 374 



3ir 402 



Upper Cambrian locality 14V 207, 389 



localities 3oh, 301, 30J 207 



3on 166, 172, 180, 194, 207, 386, 389 



30 o 166, 172, 180, 194, 195, 207, 389, 391 



30W 228 



Housia, new subgenus, described 374 



compared with Dolichometopiis 374 



genotype, Dolichometopus (Housia) varro Walcott 374 



see Dolichometopus. 



Howe, Marshall A., acknowledgments 80 



cited on coral reefs 91 



Howell formation, Utah, Middle Cambrian localities 30!, 31s 371 



howelli, see Bathyurisciis. 



Hoyt limestone, northwest of Saratoga, New York 142 



Middle Cambrian unnumbered locality 197 



Upper Cambrian localities 76, 76a 197 



Hudson, St. Croix County, Wisconsin, Upper Cambrian locality 79.167, 199, 217 



Huenella Walcott, significance, Ch'au-mi-tien 42 



orientalis (Walcott) {^■Syntrophia orientalis), generic references 17 



listed. Upper Cambrian, Ch'au-mi-tien 68 



stratigraphic and geographic position 45 



Hu-t'o system, not of marine origin 37 



Hyolithellus micans (Billings), listed 317, 321 



micans rugosa Walcott, listed 317 



Hyolithes Eichwald, associated with Asaphiscus (Blainia) glabra 394 



associated with Vanuxemella nortia 223 



cited, Lena limestone 72 



listed 292, 374 



Pilgrim limestone 271 



and Orthotheca, discussed under Pteropoda 59 



americanus Billings, listed 317 



attenuatus Walcott, listed 409 



billingsi Walcott, listed 321, 353, 409 



cf. billingsi Walcott, discussed by Walcott 295 



interpretation by Rothpletz 291 



carinatus Matthew, discussion of Pteropoda 59 



communis Billings, associated with Corynexochus (Bonnia) parvu- 



lus 329 



listed 317, 321 



f corrugatus Walcott, listed .■ 409 



curvatus Walcott, listed 409 



