Lower Palaeozoic. 49 



Huene. 10485. Das natiirliche 

 SyBtem der Saurischia. 10488: < ; o 

 dte dor Arehosaurier. 



Williston. 10763. Water reptil< a of 

 the past and present. 



39,6031 MAMMALIA. 



Abel. 10280. Die vorzeitlichen 

 Saugetiere. 



Bblsche. 10318. Tierwanderungen 

 in der Urwelt. 



Broom. 10328. On the origin of 

 the mammalian digital formula. 



Lohr. 10549. Die Anpassung an die 

 Rhizophagie im Marsupialierqtamme. 



d EUROPE. 



dbb Southern Russia. 



BogaSev. 10320. Musee du Don a 

 Novocerkassk. (Russe.) 



45.0231 PALAE0Z00L0GIA. 

 g NORTH AMERICA. 



gb Canada as a Whole. 



Anci. 10284. Les fauries paleo- 

 zo'iques et cellos qui s'\ rattachent. 



gg North Eastern United States. 



Smith. 10690. Fossils i f the 

 Paleozoic formations within the Syia- 

 cu.se quadrangle. 



gh South Eastern United Stites. 

 Foerste. 10434. The Rogers Gap 

 fauna of central Kentucky. 



It 



Schuchert. 

 fossils. 



ARCTIC. 

 10673. Arctic Paleozoic 



45.0831 COELENTERATA, IN- 

 CLUDING GRAPTO- 

 LITHOIDEA. 



O'Connell. 10600. Revision of the 

 genus Zapforentis. 



d EUROPE. 



dba Northern Russia. 



Steinmann. 10705. Gymnosolm 

 Ttamsayi aus Kanin. 



g NORTH AMERICA. 



gh South-Eastern United States. 

 Foerste. 10434. The Rogers Gap 

 fauna of central Kentucky. 



50 



45.1031 ECHINODERMATA. 

 y NORTH AMERICA. 



gh Mississippi River System as a 

 Whole. 

 Foerste. 10434. The Rogers Gap 

 fauna of central Kentucky. 



gi Western United States. 



Wood. 10770. The use of crinoid 

 arms in studies of phjlogeny. 



45.2031 



BRACHIOPODA 

 BRY0Z0A. 



AND 



d EUROPE. 



dc German Empire. 



Assmann. 10288. Die Fauna der 

 Erbsloch-Grauwacke bei Densberg im 

 Kellerwald. 



45.2231 MOLLUSC A. 

 g NORTH AMERICA. 



gh Mississippi River System as 

 a whole. 

 Foerste. 10434. The Rogers Gap 

 fauna of central Kentucky. 



Schuchert. 



fossils. 



ARCTIC. 

 10673. Arctic Paleozoic 



45.2831 XIPE0SURA. 



g NORTH AMERICA. 



gh South-Eastern United States. 



Foerste. 10434. The Rogers Gap 

 fauna of central Kentucky. 



50 LOWER PALAEOZOIC. 



50.0231 PALAE0Z00L0G1A. 



e ASIA. 



Walcott. 10736. Cambrian geology 

 and paleontology. 



g NORTH AMERICA. 



gee British Columbia. 



Burling. 10351. Early Cambrian 

 stratigraphy in North American Cor- 

 dillera, with discussion of Albeitolla 

 and related faunas. 



gd Canadian Dominion East. 



Raymond. 10646. The succession 

 of faunas at Levis, P.Q.. 



