Vlll BULLETIN OF THE GEOLOGICAL SOCIETY OP AMERICA 



Page 

 Mounting of rock and fossil specimens with sulphur [ab- 

 stract] ; by Chester A. Reeds 136 



Restoration of Paleozoic Cephalopods ; by Rudolph Ruede- 



MANN 136 



Some new paleogeographic maps of North America [ab- 

 stract] ; by A. W. Grabau 136 



Devonic black shale of Michigan, Ohio, Canada, and western 

 New York interpreted as a Paleozoic delta deposit ; by 

 A. W. Grabau 137 



Lower Paleozoic section of the Alaska- Yukon boundary [ab- 

 stract] ; by L. D. Burling 137 



Cambrian brachiopoda, a study of their inclosing sediments 

 [abstract] ; by L. D. Burling 137 



Calcareous alga} from the Silurian; by Fritz Berckheimer. . 137 



Cambrian and Ordovician faunas of southeastern Newfound- 

 land [abstract] ; by Gilbert Van Tngen 138 



"Laramie" ? Puerco, and Torrejon in the San Juan Basin, 

 New Mexico [abstract] ; by William J. Sinclair 138 



Phylogenetic development of the hexactinellid dictyosponges, 

 as indicated by the ontogeny of an Upper Devonian species ; 



by John M. Clarke 138 



Minutes of the sectional meeting of Vertebrate Paleontology 139 



Final results in the phylogeny of the Titanotheres ; by H. F. 

 Osborn 139 



Restoration of some Pyrotherium mammals ; by Frederic B. 

 LooMis 139 



Analysis of the Pyrotherium fauna ; by Frederic B. Loomis . . 140 



New methods in restoring Eotitanops and Brontotherium ; by 

 H. F. Osborn 140 



Structure and affinities of the Multituberculata ; by Robert 

 Broom 140 



Note on the American Triassic genus Placerias Lucas ; by 

 Robert Broom 141 



Skeleton of Notharctus. an Eocene Lemuroid ; by W. K. 

 Gregory 141 



Phyletic relationships of the Lemuroidea ; by W. K. Gregory . 141 



Restoration of the world series of elephants and mastodons ; 

 by H. F. Osborn 142 



Fauna of the Cumberland Pleistocene cave deposit ; by J. W. 

 GiDLEY 142 



Rectigradations and alloimetrons in relation to the conception 

 of the "Mutations" of Waagen ; by H. F. Osborn 142 



Miocene dolphin from California ; by Richard S. Lull 142 



New accessions to the exhibition series at Yale Museum: by 

 Richard S. Lull 143 



New mastodon find in Connecticut : by Richard S. Lull .... 143 



Notes on Camarosaurus Cope ; by Charles C. Mook 143 



Relations of the American Pelycosaurs to the South African 

 dinocephalians ; by Robert Broom 143 



