188 ANNALH Ni:\V YORK ACADEMY OF SCIENC'Et^ 



1909. 12. Darton, N. H., and Siebenthal, C. E. : "Geology and mineral re- 

 sources of the Laramie basin, Wyoming." U. S. Geol. Surv., Bull., No. 364, 

 81 pp., S pis., 1 fig., 1909. [Sections, description and distribution map of 

 the Morrison and other formations.] 



1909. 13. Fisher, C. A. : "Geology and water resources of the Great Falls 

 region, Montana." U. S. Geol. Surv., Water Supply Paper, No. 221, 89 pp., 

 7 pis., 1909. [Cretaceous, Morrison (60-120 feet thick) and Ellis forma- 

 tions appear to be conformable throughout.] 



1909. 14. Darton, N. H. : "Geology and underground waters of South Da- 

 kota." U. S. Geol. Surv., Water Supply Paper, No. 227, 156 pp., 15 pis., 

 7 figs., 1909. [Sections, discussions and illustrations. Sundance and 

 Unkpapa are Jurassic; Morrison is Cretaceous.] 



1909. 15. Lee, W. T., and Girty, G. H. : "The Manzano group of the Rio 

 Grande Valley, New Mexico." U. S. Geol. Surv., Bull., No. 389, 120 pp., 

 12 pis., 9 figs., 1909. [The Morrison is probably present.] 



1909. 16. Henning, Karl I. : "Streifziige in den Rocky Mountains. IV. 

 Morrison und die Morrisonformation." Globus, Bd. xcvi, pp. 344-349, 5 

 figs., 1909. [Description of the Morrison formation, with discussion as to 

 its age.] 



1910. 1. Lull, R. S. : "Dinosaurian distribution." Amer. Journ. Sci., 4th 

 ser., vol. xxix, pp. 1-39, 10 figs., 1910. [Correlation tables and discussion 

 of the Morrison and other faunas.] 



1910. 2, Larkin, Pierce : "The occurrence of a sauropod dinosaur in the 

 Trinity Cretaceous of Oklahoma, with an introductory note by S. W. Wil- 

 liston." .Tourn. Geol., vol. xviii, pp. 93-98, 4 figs., 1910. [A morosauroid 

 coracoid found in the Trinity sands.] 



1910. 3. SciiucHERT, Charles : "Paleogeography of North America." Geol. 

 Soc. Amer., Bull., vol. xx, pp. 427-606, 56 pis., 1910. [ Paleogeographic 

 maps and discussions.] 



1910. 4. Cross, Whitman : "Engineer Mountain, Colorado, quadrangle." 

 U. S. Geol. Surv., Geol. Atlas, Folio No. 171, 13 pp., 3 maps, 1 section sheet, 

 2 illustration sheets, 1910. [La Plata is lower Jurassic and equivalent to 

 the lower part of the Gunnison. The McElmo is in general equivalent to 

 the Morrison.] 



1910. 5. Darton, N. H., Blackwelder, Eliot, and Siebenthal, C. E. : 

 "Laramie and Sherman, Wyoming, quadrangles." U. S. Geol. Surv., Geol. 

 Atlas, Folio No. 173, 17 pp., 7 maps, 1 section sheet, 1 illustration sheet, 

 1910. [Sections of Sundance and Morrison formations.] 



1910. 6. Gale, Hoyt S. : "Coal fields of northwest Colorado and northeast 

 Utah." U. S. Geol. Surv., Bull., No. 415, 265 pp., 22 pis. and figs., 1910. 

 [Description of the Flaming Gorge formation.] 



1910. 7. O'Harra, Cleophas : "The Badland formations of the Black Hills 

 region." S. D. Sch. Mines, Dept. Geol., Bull., No. 9, 152 pp., 50 pis., 20 

 figs., Nov., 1910. [Sections and descriptions of the Jurassic] 



1910. 8. Clark, W. B. : "Results of a recent investigation of the coastal 

 plain formations in the area between Massachusetts and North Carolina." 

 Abst., Geol. Soc. Amer., Bull., vol. xx, pp. 646-654, 1 pi., 1910. [Patuxent, 

 Arundel and Patapsco are all Lower Cretaceous.] 



1911. 1. Woodruff, Palmer G. : "The Lander oil field, Wyoming." U. S. 

 Geol. Surv., Bull., No. 452, pp. 7-36, 6 pis., 1 fig., 1911. [Section of Sun- 

 dance, Morrison and Cloverly formations.] 



