LIST OF PUBLICATIONS. 



241) 



Shufeldt, R. W. Extinct ostrich birds 



of the United States. 



Aquila, 20, 1913, pp. 

 411-422, pis. 1-5. 

 Discusses the probable rela- 

 tionships of many extinct so- 

 called ostrich-like birds, with 

 especial reference to the genera 

 Diatryma and Oastornis. The 

 new family Diatrymldae is pro- 

 posed. U. S. National Museum 

 specimens are described and 

 figured. 



Stephenson, Lloyd William. Creta- 

 ceous deposits of the eastern Gulf 

 region and species of Exogyra from 

 the eastern Gulf region and the Car- 

 olina s. 



Prof. Paper, U. 8. Oeol. 

 Surv., 81, 1914, pp. 

 1-77, pis. 1-21, figs. 

 1, 2. 

 Describes the Cretaceous for- 

 mations in Georgia, Alabama, 

 Mississippi, Tennessee and Ken- 

 tucky, and gives full lists of 

 the invertebrate faunas ; also 

 describes and figures the species 

 of Ewogyra.j including a new spe- 

 cies and two new varieties, from 

 the Cretaceous of the same area 

 and from the Carolinas. The 

 specimens are the property of 

 the TJ. S. National Museum. 



SwABTZ, C. K. ( See under R. S. Bass- 

 ler.) 



Ulrich, E. O. (See under R. S. Bass- 

 ler.) 



Walcott, Chaeles D. The Cambrian 

 faunas of China. 



Carnegie Inst, of Wash- 

 ington, Publ. No. 54, 

 Research in China, 

 3, 1913, pp. 1-276, 

 pis. 1-24, figs. 1-9. 

 An exhaustive review of the 

 Cambrian collections made by 

 Messrs. Willis and Blaekwelder 

 in 1903^, and by Prof. Joseph 

 P. Iddings in 1909. Four pre- 

 liminary reports were revised in 

 this memoir. Describes 63 gen- 

 era, 5 subgenera, 245 species, 

 and 11 varieties. Treats Cam- 

 brian fauna exhaustively — his- 

 torical review, synonymy, bibli- 

 ography, localities, geological 

 conditions, paleontology, strati- 

 graphic and geographic distribu- 

 tion. About 950 figures of 

 fossils are given. 



Walcott, Chaeles D. Cambrian Geol- 

 ogy and Paleontology. II. ^'o. 11. — 

 New Lower Cambrian subfauna. 



Smithsonian Misc. Colls., 

 57, No. 11, July 21, 

 1913, pp. 309-326, 

 pis. 50-54. 

 Describes and figures 10 spe- 

 cies from the Robson Peak dis- 

 trict fauna, 9 of which are new, 

 as follows: Mickicitzia muralen- 

 sis, Lingulella chapa, L. hitka, 

 Otolella nuda, Ilolmia? macer, 

 Wanneria occidens, Callavia eu- 

 charis, C. perfecta, and OleneJ- 

 lu8 truemani. 



Cambrian Geologj' and Paleon- 



tology. II. No. 12. — Cambrian for- 

 mations of the Robson Peak District, 

 British Columbia and Alberta, Can- 

 ada. 



Smitlisoiiian Misc. Colls., 

 57. No. 12, July 24, 



1913, pp. 327-343, 

 pis. 55-50, figs. 11, 

 12. 



Results of study of the Rob- 

 son Peak section in 1912, in- 

 cluding geological section, no- 

 menclature, stratigraphic sec- 

 tion showing Ordovician to pre- 

 Cambrian, and comparison sug- 

 gesting possible correlation with 

 Mount Bosworth section. 



Cambrian Geology and Paleon- 

 tology. II. No. 13. — Dilielocephalus 

 and other genera of the Dikeloce- 

 phalinse, 



Smithsonian Misc. Colls., 

 57, No. 13, April 4, 



1914, pp. 345-412, 

 pis. 60-70, figs. 13- 

 20. 



Discusses previous classifica- 

 tion of Dikelocephahis and re- 

 classifies the species under five 

 different genera, three of which, 

 Saukia, OsceoUa, and Calvin- 

 ella, are new. Describes 13 new 

 species as follows : Dikeloce- 

 phahis f dalyi, D. texaniis, D. 

 vanhornei, Saukia coloradoensis, 

 8. fallax, 8. junta, 8. leucosia, 

 S. pyrene, 8. rustica, 8. stoset, 

 8. tcardi, Calvinella ozarkensis, 

 and C. tenuisculpta. Fixes spell- 

 ing of Dikelocephahis as origi- 

 nally. Proposes provisional 

 classification of pre-Ordovician 

 formations in the Upper Missis- 



