II PUBLICATIONS OF UNITED STATES GEOLOGICAL SURVEY. 



XXIV. MoUusca and Crustacea of the Miocene formations of New Jersey, 1)V R. P. Wiiitfleld. 1894 

 4°. 193 pp. 24 pi. IMce 90 cents. 



XXV. Tlie Glacial Lake Aga.ssiz, by Warren Uphani. 1895. 4°. xxiv, 658 pp. 38 pi. Price SI. 70. 



XXVI. Flora of the Araljov clays, by J. S. Newberry; a posthumous \york, edited by Arthur Hollick. 

 1895. 4°. 260 pp. 58 pi. Price SI. 



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

 Eldridge. 1896. 4°. 556 pp. 31 pi. Price SI. 50. 



XXVIII. The Marquette iron-bearing district of Michigan, with atlas, by C. R. 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 §5.75. 



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

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



XXX. Fossil Medus:e, by" C, D. Walcott. 1898. 4°. ix, 201 pp. 47 pi. Price §1.50. 



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

 260 pp. 43 pi. and atlas of 30 sheets folio. Price S3.()0. 



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

 paleontology, Ijy 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 .Varragai.sett Basin, liy X. S. Shaler, J. B. Woodworth, and A. F. Foerste. 

 1899. 4°. XX, 402 p]). 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°. xyiii, 295 pp. 68 pi. Price §1.25. 



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

 with a chapter on tlie Sturgeon River tongue, by W. S. Bayley, and an introduction l)y C. R. \'an 

 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°. xi, 467 

 pp. 73 pi. Price §1.25. 



XXXVIII. The Illinois glacial lobe, by Frank Leverett. 1899. 4°. xxi, 817 pp. 24 pi. Price SI. 60. 



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

 few doubtfully Cretaceous species, by T. W. Vaughan. 1900. 4°. 263 pp. 24 pi. Price SI. 10. 



XL. Adephagous and clayicorn Ci>leoptera from the Tertiary deposits at Florissant, Colorado, with 

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

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



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

 4°. 802 ]ip. 26 pis. Price §1.75. 



XLII. Carboniferous ammonoids of America, liy J. P. Smith. 1903. 4°. 211 ))p. 29 pis. Price 

 85 cents. 



In press: 



XLIII. The Mesabi iron-bearing district of ilinnesota, by C. K. Leith. 



XLIV. Pseudoceratites of the Cretaceous, by .\lpheus Hyatt, edited Ijy T. \V. Stanton. 



XLV. The Vermilion iron-bearing district of Minnesota, by J. M. Clements. 



All remittances must be bj' MONEr order, made payable to the Director of the 

 United States Geological Siirvej-, or in currencv — the exact amount. Checks, drafts, 

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



The Director, 



United States Geological Survei", 



Washington, D. C. 



