Vaughan — Outlying Areas of the Comanche Series. 43 



Art. YII. — Additional Notes on the Outlying Areas of the 

 Comaneke ISeries in Oklahoma and Kansas ; by T. Way- 

 land Vaughan. 



[Published by permission of the director of the IT. S. Geological Survey.] 



I WAS enabled during the past summer, while working 

 under the direction of Mr. E. T. Hill, to study some areas of 

 the Comanche formations in Kansas and Oklahoma, that have 

 not been described in the literature pertaining to the region. I 

 was also able to visit a locality reported by Cope from near old 

 Camp Supply, and what is probably the original locality from 

 which Marcou obtained the types of his G. pitcheri (= G. navia 

 Hall, G. roemeri Marcou, G. fomiculata White). Marcou' s 

 were the first observations made in the region ;* Craginf has 

 published numerous papers, and St. John:); and Hay§ have 

 made lesser contributions. Professor E. D. Cope] has pub- 

 lished some notes on beds near old Camp Supply. Mr. E. 

 T. Hill^f has given an extended review of the work that has 

 been done in the whole region, and has published the results 

 of a very careful study of the vicinity of Belvidere. The 

 most recent contribution is that of Professor C. S. Prosser.** 



The areas of the beds belonging to the Comanche Series, in 

 Kansas, Oklahoma, Trans-Pecos, Texas, and New Mexico, have 

 been denominated "Outlying Areas" by Mr. Hill because the 

 connection between them and the main area of the Lower 

 Cretaceous in Texas has been destroyed by erosion, or the beds 

 in the intervening areas buried beneath the Plains Formation. 

 There are great lithologic differences between the beds of the 

 " Outlying Areas " and those of the main area : the most con- 

 spicuous is the entire absence of chalky formations in the 

 former. 



For the portion of the Comanche Series, exposed near Bel- 

 videre, the names Belvidere bedsff may be used. There are 



* Geology of North America, pp. 22, 26, 27, 38, 39, 1858. 



f Bulletin of the Washburn College Laboratory, vol. i, No. 3, pp. 85-91, 1885 ; 

 vol. ii, No. 9, pp 33-37, February, 1889 ; vol. ii, No. 10, pp. 65-68, December, 

 1889; vol. ii, No. 11, pp. 69--80, March, 1890; American Geologist, vol. vii, No. 

 3,. pp. 179-181, March, 1891; vol. xiv, pp. 1-12, July, 1894; vol. xvi, pp. 162- 

 165, September, 1895; and pp. 357-385, December, 1895; Colorado College 

 Studies, Fifth Annual Publication, pp. 49-73, 1894. 



% Fifth Biennial Report, Kansas State Board of Agriculture, Part II, pp. 132- 

 152, Topeka, 1887. 



§ Bull. 57, U. S. Geol. Survey, 1890. Geology and Mineral Resources of 

 Kansas, pp. 12, 13, Topeka, 1893. 



|| Proceed. Acad. Nat. Sci., Phila., for 1894, pp. 63-68. 



1 This Journal, vol. 1, pp. 205-234, September, 1895. 



**Univ. of Kansas Geol. Surv., vol. ii, pp. 96-194, 1897. 



ft Hill, this Journal, vol. 1, p. 211, 1895. 



