hsEKs.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1904. 61 
jlatcher (J. B.). 
. An attempt to correlate the marine with the nonmarine formations 
of the middle west. 
Arn. Phil. Soc., Proa, vol. 43, pp. 341-365, 2 figs., 1904. Abstract: Science, 
new ser., vol. 19, p. 717, 1904. 
Discusses conditions governing the formation of marine, brackish, and fresh- 
water beds, and their application to the correlation and relative age of vari- 
ous Jurassic and Cretaceous horizons of the middle west. A note discussing 
the views advanced in the paper is added by Mr. T. AV. Stanton. 
aaworth (Erasmus). 
. The Kansas River flood of 1903. 
Kans. Univ. Geol. Surv., Min. Res. for 1902, pp. 63-81, 19 pis., 1903. 
Describes geologic effects of the flood of 1903 upon the flood plain of the Kan- 
sas River. 
Jaworth (P>asmus), and Crane (W. R.), Adams (George I.). 
. Economic geolog} r of the Iola quadrangle, Kansas. 
See Adams (George I.), Haworth (Erasmus), and Crane (W. R.), 1. 
(lay (O. P.). 
L On some fossil turtles belonging to the Marsh collection in Yale 
University Museum. 
Am. Jour. Sci., 4th ser., vol. 18, pp. 261-276, 6 pis., 7 figs., 1904. 
I Descriptions of two species of extinct tortoises, one new. 
Phila. Acad. Nat. Sci., vol. 54, pp. 383-388, 7 figs., 1902. 
L On two new species of turtles from the Judith River beds of Mon- 
tana. 
Carnegie Mus., Annals, vol. 3, no. 1, pp. 178-182, 1 pi., 2 figs., 1904. 
L An important but not well-known locality furnishing Cretaceous 
fishes. 
Abstract: Geol. Soc. Am., Bull., vol. 14, p. 542, 1904. 
See no. 520 of U. S. Geol. Surv., Bull. no. 240. 
I On the finding of skulls of Trioi^chida? in the Bridger deposits of 
Wyoming. 
Abstract: Science, new ser., vol. 19, p. 254, 1904. 
| A new gigantic tortoise from the Miocene of Colorado. 
Abstract: Science, new ser., vol. 19, pp. 503-504, 1904. 
iayes (C. Willard). 
I Introductions to "Contributions to economic geology, 1903." 
U. S. Geol. Surv., Bull. no. 225, pp. 11-17, 1904. 
Gives a brief statement regarding the publications of the United States Geo- 
logical Survey bearing upon economic geology. Includes a list of the geo- 
logic folios showing the mineral resources described in each. 
. Investigation of nonmetalliferous economic minerals. 
,.U. S. Geol. Surv., Bull. no. 225, pp. 25-27, 1904. 
A brief summary statement regarding investigations of nonmetalliferous eco- 
nomic minerals completed during the past year or in progress. 
