456 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 53 



PAGE 



Holmia ivccksi Walcott, in synonymy 257, 298, 321 



stratigraphic position and association 186, 187, 189 



Holmia (Olencllus) Peach, in synonymy 275, 286 



Holmia (Olencllus) kjerulU Peach, in synonymy 289 



Homer, Oklahoma, fossils near 97 



Home, Dr. J., acknowledgments 235 



mentioned 347 



Horse-shoe crabs, Agassiz on the habits of the young of 241 



House Range, fossils from. .^2,, 35, 39, 63, 65, 67, 69, 77, 91, 92, 94, 95, 106, 109 



map of pi. 13 



measurement of section exposed in 9 



Pioche formation in 12 



views of pis. 14, 15, 16, 17 



House Range section, Utah, correlation 171 



described 173-185 



graphic representation of 174 



resume of 184-185 



stratigraphic position of 169 



Howell formation, correlated. 171 



defined 1 1 



section of 182-183, pis. 16 and 17 



howelli, see Bathyuriscus, Olenellus, and Oleniis (Olenellus). 



Hoyningen-Huene, Dr. F. von, genus named after 109 



Huenella, new genus, discussed 109 



classification of 142, 14S 



compared with Clarkella iii 



Syntrophia 109 



evolution of pi. 11 (pp. 140-141) 



mentioned no 



Huenella abiionnis, shell structure compared with that of Syntrophia 



lateralis 152 



compared with Syntrophia campbclli 108 



thin section of 165, pi. 12, fig. 9 



Huenella etheridgei, new species 109, pi. 10, figs. 13 and 13a 



Huenella lesleyi, new species no, pi. 10, figs. 12 and 12a 



associated fossils listed no 



stratigraphic position and association 193 



Huenella texana (Walcott), compared with Syntrophia campbclli 108, no 



Hydrocephalus, intergenal spines of 237 



Hyolithellus annulatiis, stratigraphic position and association 210 



flagellum, stratigraphic position and association 210 



micans, mentioned 341 



cf. micans, stratigraphic position and association 213 



sp. undt., stratigraphic position and association 214 



Hyolithes, mentioned 279, 318 



amcricanus, mentioned 341 



billingsi, mentioned 318 



stratigraphic position and association 183, 184, 213, 214, 215 



