DAETON.] 



NORTH AMERICAN GEOLOGY. 



475 



Hill, Robert T.— Continned. 



The foraminiferal origin of certain 



Cretaceous limestones and the sequence 

 of sediments in North American Creta- 

 ceous. 



Am. Geol., vol. 4, pp. 174-177, 1889. 



Paleontology of the Cretaceous for- 

 mations of Texas, part 1, University of 

 Texas, School of Geology, 5 pages, 3 

 plates, Austin, 1889. 



The Permian rocks of Texas. 



Science, vol. 13, p. 92 (J col.), 4°, 1889. 



A preliminary annotated check list 



of the Cretaceous fossils of Texas, ac- 

 companied by a short description of the 

 lithology and stratigraphy of the sys- 

 tem. Texas Geol. Surv., Bull., No. 4, 

 xxxi, 57 pages. Austin, 1889. 



Abstract, Am. Geol., vol. 6, p. 124 (J p.). 

 Reviewed by J. Marcou, Am. Geol., vol. 5, pp. 

 315-317, 1889. 



A brief description of the Cretaceous 



rocks of Texas and their economic 

 value, based principally upon a prelim- 

 inary section along the Colorado River 

 from near Smithwick Mills, Burnet 

 County, to Webberville, Travis County. 

 Texas Geol. Surv,. 1st Annual Eeport, pp. 

 103-144, 1890. 



The Eagle Flats formation and the 



basin of the trans-Pecos or mountain- 

 ous region of Texas. [Abstract.] 



Am. Assoc. Adv. Sci., Proc, vol.38, p. 242 (8 

 lines), 1890. 



The geology of the valley of the up- 

 per Canadian from Tascosa, Tex., to 

 Tucumcarrl Mountain, N. Mex., with 

 notes on the age of the same. Ab- 

 stract.] 



Am. Assoc. Adv. Sci., Proc, vol, 38, p. 243 (5 

 lines), 1890. 



The geology of the Staked Plains of 



Texas, with a description of the Staked 

 Plains formation. [Abstract.] 



Am. Assoc. Adv. Sci., Proc, vol. 38, p. 243 (4 

 lines), 1890. 



A classification of the topographic 



features of Texas, with remarks bpon 

 the areal distribution of the geologic 

 formations. [Abstract.] 



Am. Assoc. Adv. Sci., Proc, voL 38, pp. 243- 

 244 (9 lines), 1890. 



The fossils of the Trinity beds. 



Am. Geol., voL 5, p. 62 (4 p.), 1890. 



Hill, Robert T.— Continued. 



Classification and origin of the chief 



geographic features of the Texas re- 

 gion. 



Am. Geol., vol. 5. pp. 9-29, 68-80, map, 1890. 

 [To l>e continued. ] 



The Texas Cretaceous. 



Am. Geol., vol. 6, pp.253-2S4 (| p.), 1890. 



Pilot Knob. A marine Cretaceous 



volcano [Texas]. 



Am. Geol., vol. 6, pp. 286-292, 1890. 

 Abstract, Am. Nat., vol. 25, pp. 275-276 (J p.), 

 1891. 



Exploration of the Indian Territory 



and the medial third of Red River. 

 Am. Geoi., vol. 6, pp. 252-253, 1890. 



Occurrence of Goniolina in the 



Comanche series of the Texas Creta- 

 ceous. 



Am. Jonr. Sci., 3d series, vol. 40, pp. 61-65, 

 1890. 



The Comanche series of the Texas- 

 Arkansas region. 



Geol. Soc. Am., Bull., vol. 2, pp. 503-524, 526, 

 527, 1891. 



Discussed by C. A. Wlilte. C. D. Walcott, 

 and C. Curtice, pp. 525-528. 



Abstracts, Am. Geol., vol. 8, p. 259 (J p.) 

 1891; Am. Nat., vol. 25, p. 738 (4 lines), 1891. 



Notes on a reconnaissance of the 



Ouachita Mountain system in Indian 

 Territory. 



Am. Jour. Sci., 3d series, vol.42, pp. 111-124, 

 1891. 



Contributions to the geology of the 



Southwest. 



Am. Geol., vol.7, pp. 119-122, 1891. 



Notes on the geology of the South- 

 west. 



Am. Geol., vol. 7, pp. 254-255, 1891. 



Notes on the geology of the South- 

 west. 



Am. Geol., vol. 7, pp. 366-370, 1891. 



Preliminary notes on the topography 



and geology of northern Now Mexico 

 and southwestern Texas and New Mex- 

 ico. 



Am. Geol., voL 8, pp. 133-141, 1891. 



and Penrose, R. A. F., jr. Relation 



of the uppermost Cretaceous beds of 

 eastern and southern United States 

 and the Tertiary -Cretaceous history of 

 Arkansas and Texas. 



Am. Jonr. Sci., 3d series, vol. 38, pp. 468-473, 

 1889. 

 Abstract, Am. Nat., vol. 24, p. 769 (J p.), 1890. 



