206 J. STANLEY-BROWN INDEX TO VOLUMES 21 TO 30 



Page 

 XoTHARCTUS Eoceiie lemur, Ilolationship to the Adapidse and to other 



primates of the 26, 49 



— , Skull and skeleton of 24, 251 



Nova Scotia, Barite deposits of Five Islands 21, 33, 786 



, Deformation of unconsolidated beds in 28, 163, 323 



, Glaciation in 29, 207 



, Marine levels in 29, 222 



Nugget sandstone. Subdivisions of Mesozoic 27. 70 



Oahu, Nephelite and feldspar basalts of 21, 89 



— , Tertiary deposits of 23, 71 



rocks of 26, 133 



Oak hummock and Moose nose, Winnipeg, Esker and kame deposits of. . 



21, 424-427 

 Obeblin quadrangle, Ohio, Shorelines of the glacial lakes in the. . . 21,21,762 

 Observations on the skeletons of Moropus eooki in the American Mu- 

 seum ; H. F. Osborn 29, 131 



use of the percentage method in determining the age of Tertiary 



formations in California ; B. Martin 25, 152 



Observatory mountain, Ogden peak, synonymous with 21, 537 



Obsidian analyses according to methods of Cross, Iddings, Pirsson, and 



Washington 26, 262 



— from Hrafntinnuhryggur, Iceland, its lithophyspe and surface mark- 



ings ; F. E. Wright 21, 32, 784 ; 26, 2.55-286 



Occurrence and origin of white clays at Saylorsburg, Monroe Count>% 



Pennsylvania ; F. B. Peck 30, 96 



— of a large tourmaline in Alabama pegmatite ; F. R. Van Horn 29, 104 



— marine Middle Tertiary fauna on the western border of the Mo- 



jave Desert area ; Wallace Gordon 29, 162 



free gold in granodiorite of Siskiyou County of California; A. F. 



Rogers and E. S. Boundey 25, 124 



glacial drift on the Magdalen Islands ; .J. W. Goldthwait 25, 84 



intreformational conglomerate and breccia; F. V. Emer.son 27.93 



mammalian remains at Rancho La Brea ; R. C. Stroner 25, 156 



Nothrotherium in Pleistocene cave deposits of California ; Chester 



Stock 28, 233 



stibnite and metastibnite at Steamboat Springs, Nevada; J. C. 



Jones 25, 126 



the Siphonalia sutterensis zone, the uppermost Tejon horizon in 



the outer Coast Ranges of California ; R. E. Dickerson 29, 163 



Ocean, Present figure of 21, 222 



— temperatures 30, 545 



— water. Mean of seventy-seven analyses of 22, 242 



, Mid-Paleozoic time fossil 24, 281 



Oceanic deeps, Frontal 21, 200, 201 



Oceanica Islands, Table of rocks in 27, 332 



