II PUBLICATIONS OF UNITED STATES GEOLOGICAL SURVEY. 



XXIV. Mollusca and Crustacea of the Miocene formations of New Jersej', by R. P. Whitfield. 1894 

 4°. 19.3 pp. 24 pi. Price 90 cents. 



XXV. The Glacial Lake Agassiz, by AVarren Upham. 1895. 4°. xxiv, 658 pp. 38 pi. Price $1.70. 



XXVI. Flora of the Amboy clays, by J. S. Newberry; a posthumous work, edited by Arthur Hollick. 

 1895. 4°. 260 pp. 58 pi. Price ^1. 



XXVII. Geology of the Denver Basin in Colorado, bv S. F. Emmons, Whitman Cross, and G. H. 

 Eldridge. 1896. 4°. 556 pp. 31 pi. Price 11.50. 



XXVIII. The Marquette iron-bearing district of Michigan, with atlas, by C. E. Van Hise and W. S. 

 Bayley, including a chapter on the Republic trough, by H. L. Smyth. 1895. 4°. 608 pp. 35 

 pi. and atlas of 39 sheets folio. Price 15. 75. 



XXIX. Geology of old Hampshire County, Massachusetts, comprising Franklin, Hampshire, and 

 Hampden counties, by B. K. Emerson. 1898. 4°. xxi, 790 pp. 35 pi. Price §1.90. 



XXX. Fossil Medusie, by C. D. Walcott. 1898. 4°. ix, 201 pp. 47 pi. Price S1.50. 



XXXI. Geology of the Aspen mining district, Colorado, with atlas, by J. E. Spurr. 1898. 4°. xxxv, 

 260 pp. 43 pi. and atlas of 30 sheets folio. Price S8.60. 



XXXII. Geology of the Yellowstone National Park, Part II, descriptive geology, petrography, and 

 paleontology, by Arnold Hague, J. P. Iddings, W. H. Weed, C. D. Walcott, G. H. Girty, T. W. 

 Stanton, and F. H. Knowlton. 1899. 4°. xvii, 893 pp. 121 pi. Price $2.45. 



XXXIII. Geology of the Narragansett Basin, by N. S. Shaler, J. B. AVoodworth, and A. F. Foerste. 

 1899. 4°. XX, 402 pp. 31 pi. Price |1. 



XXXIV. The glacial gravels of Maine and their associated deposits, by G. H. Stone. 1899. 4°. xiii, 

 499 pp. 52 pi. Price $1.30. 



XXXV. The later extinct floras of North America, by J. S. Newberry; edited by Arthur Hollick. 

 1898. 4°. xviii, 295 pp. 68 pi. Price ^1.25. 



XXXVI. The Crystal Falls iron-bearing district of Michigan, by J. M. Clements and H. L. Smyth; 

 with a chapter on the Sturgeon River tongue, by AV. S. Bayley, and an introduction by C. R. Van 

 Hise. 1899. 4°. xxxvi, 512 pp. 53 pi. Price §2. 



XXXVII. Fossil flora of the Lower Coal Measures of Missouri, by David White. 1899. 4°. x\, 467 

 pp. 73 pi. Price 11.25. 



XXXVIII. The Illinois glacial lobe, by Frank Leverett. 1899. 4°. xxi, 817 pp. 24 pi. Price $1.60. 



XXXIX. The Eocene and Lower Oligocene coral faunas of the United States, with descriptions of a 

 few doubtfully Cretaceous species, by T. AV. Vaughan. 1900. 4°. 263 pp. 24 pi. Price 11.10. 



XL. Adephagous and clavicorn Coleoptera from the Tertiary deposits at Florissant, Colorado, with 



descriptions of a few other forms and a systematic list of the non-rhyncophorous Tertiary Coleoptera 



of North America, by S. H. Scudder. 1900. 4°. 148 pp. 11 pis. Price 80 cents. 

 XLI. Glacial formations and drainage features of the Erie and Ohio basins, by Frank Leverett. 1902. 



4°. 802 pp. 26 pis. Price 11.75. 

 XLII. Carboniferous ammonoids of America, by J. P. Smith. 1903. 4°. 211 pp. 29 pis. Price 



85 cents. 

 XLIII. The Mesabi iron-bearing district of Minnesota, bv C. K. Leith. 1903. 4°. 316 pp. 33 pis. 



Price $1.50. 

 XLIA^. Pseudoceratites of the Cretaceous, by Alpheus Hyatt, edited by T. W. Stanton. 1903. 4°. 



350 pp. 47 pis. Price • •. 



XLV. The Vermilion iron-bearing district of Minnesota, with atlas, by J. M. Clements. 1903. 4°. 



463 pp. 13 pis. Price . 



All remittances must be by money order, made paj^able to the Director of the 

 United States Geological Survey, or in cuRRENcr — the exact amount. Checks, drafts, 

 and postage stamps can not be accepted. Correspondence should be addressed to 

 The Director, 



United States Geological Survey, 



Washington, D. C. 



