MONOGRAPHS. 
I. Lake Bonneville, by G. K. Gilbert. 1890. 4°. xx, 438 pp., 51 pis., 1 
map. Price, $1.50. (Out of stock.) 
II. Tertiary history of the Grand Canyon district, with atlas, by C. E. Dut- 
ton, captain, U. S. Army. 1882. 4°. xiv, 264 pp., 42 pis. and atlas 
of 24 sheets folio. Price, $10. 
III. Geology of the Comstock lode and the Washoe district, with atlas, by 
G. F. Becker. 1882. 4°. xv, 422 pp., 7 pis. and atlas of 21 sheets 
folio. Price, $11. 
IV. Comstock mining and miners, by Eliot Lord. 1883. 4°. xiv, 451 pp., 
3 pis. Price, $1.50. 
V. The copper-bearing rocks of Lake Superior, by P. D. Irving. 1883. 4°. 
xvi, 464 pp., 15 1., 29 pis. and maps. Price, $1.85. (Out of stock.) 
VI. Contributions to the knowledge of the older Mesozoic flora of Virginia, 
by W. M. Fontaine. 1883. 4°. xi, 144 pp., 54 1., 54 pis. Price, 
$1.05. 
VII. Silver-lead deposits of Eureka, Nev., by J. S. Curtis. 1884. 4°. xiii, 
200 pp., 16 pis. Price, $1.20. 
VIII. Paleontology of the Eureka district, by C. D. Walcott. 1884. 4°. xiii, 
298 pp., 24 1., 24 pis. Price, $1.10. 
IX. Brachiopoda and Lamellibranchiata of the Ran tan clays and greensand 
marls of New Jersey, by R. P. Whitfield. 1885. 4°. xx, 338 pp., 
35 pls.„l map. Price, $1.15. 
X. Dinocerata. A monograph of an extinct order of gigantic mammals, by 
0. C. Marsh. 1886. 4°. xviii, 243 pp., 56 L, 56 pis. Price, $2.70. 
XI. Geological history of Lake Lahontan, a Quaternary lake of northwestern 
Nevada, by I. C. Russell. 1885. 4°. xiv, 288 pp., 46 pis. Price, 
$1.75. 
XII. Geology and mining industry of Leadville, Colo., with atlas, by S. F. 
Emmons. 1886. 4°. xxix, 770 pp., 45 pis. and atlas of 35 sheets 
folio. Price, $8.40. 
XIII. Geology of the quicksilver deposits of the Pacific slope, with atlas, by 
G. F. Becker. 1888. 4°. xix, 486 pp., 7 pis. and atlas of 14 sheets 
folio. Price, $2. 
XIV. Fossil fishes and fossil plants of the Triassic rocks of New Jersey and 
the Connecticut Valley, by J. S. Newberry. 1888. 4°. xiv, 152 pp., 
26 pis. Price, $1. 
XV. The Potomac or younger Mesozoic flora, by W. M. Fontaine. 1889. 
4°. xiv, 377 pp., 180 pis. Text and plates bound separately. Price, 
$2.50. 
XVI. The Paleozoic fishes of North America, by J. S. Newberry. 1889. 4°. 
340 pp., 53 pis. Price, $1. 
XVII. The flora of the Dakota group, a posthumous work, by Leo Lesquereux. 
Edited by F. H. Knowlton. 1891. 4°. 400 pp., 66 pis. Price, $1.10. 
XVIII. Gasteropoda and Cephalopoda of the Raritan clays and greensand marls 
of New Jersey, by R. P. Whitfield. 1891. 4°. 402 pp., 50 pis. 
Price, $1. 
130 
