194 
Transaction's Texas Academy of Science. 
Leech, De., Otto. 
attention of the people to the wealth of this disftriot, to ishow in a prelim- 
inary way how the brown coal has been utilized in Enropean countries, 
especially in Germany, and to compare the material now used for various 
manufacturing purposes with the brown coal of the ^ast Texas lignitic 
basin.’’ P. 39. 
291. Leveeett, S. 
See Taff, J. A., and Leverett, S. 
Eeport on the Cretaceous Area north on the Colorado Eiver. 
Fourth Ann. Kept, of the Geol. Surv. of Texas, Pt. I, pp. 
239-354. Austin, 1893. 
292. Lougheidge, R. H. 
Texas. 
Mucfarlane^s American Geological Railway Guide. 2nd ed., 
pp. 409-413. N. Y., 1890. 
List of iGeological Formationis found in Texas and Indian Territory. 
Lists of Railroads in Texas ; Stations and Distances from terminal Points : 
and Geological Eormatiions at each Station, together with Notes. 
293. Maokentosh, J. B. 
See Hidden, W. E., and Maokentosh, J. B. 
A Description of several Yttria and Thoria Minerals, from 
Llano County, Texas. 
Amer. Jour, of Science, III, Vol. XXXYIII, pp. 474-486. 
Xew Haven, Dee., 1889. 
294. Magnenat, L. E. 
Report of. 
Third Ann. Rept. of the Geol. Surv. of Texas, 1891, p. Ixi. 
Austin, 1892. 
A brief account of the work done in the Chemical Laboratory of the 
State Geological Survey from 13th of December, 1890, to 1st of January, 
1891. Duiring that time 555 analyses were made by Messrs. Magnenat, 
J. H. Herndon and G. H. Wooten. 
295. Maecou, Jules. 
American Geological Glassification and Nomenclature. 75 
pages. 
Cambridge, May, 1888. [Printed for the author by the Salem 
Press.] 
Contents: I. Introduction. II. Primitive or Azoic Series. III. 
Taconic System. Order of discoveries and original researches on the 
Taconic system. IV. Cambrian or Champlain System. V. Silurian sys- 
tem. VI. Devonian system. VII. Carboniferous, system. VIII. Dyassic 
system. IX. Triassic system. X. Jurassic system. XI. Cretaceous 
