II ITHLICATIilNS <IK T-MTKD STATKS (JKOLfKilOAL SrKVKY. 



.\\l\'. Mcilliisia iiiid Criistaci-a of the Mim-i-iR' fonllation^l (if New .Torj^cv, liv R. P. Wliitlielil 



ism. 4". li« pp. 1'4 111. Price 90 cent.s. 

 XW. The <;lac-ial l«ike A^assiz, liv Warren I'ljliaiii. 1K95. 4°. xxiv. (ioS pp. ;58 pi. Price 

 >:1.70. 

 XXVI. Flora (if the Amlxiv clavs, by J. S. Newberry; a pdstliumou." W(jrk. edited liv Arthur 

 H.illick. bsiifi. 4°. i'(iOpp. 58 pi. Price "fl. 

 XXVII. (ienldiry (if the Deiuer I5a.sin in Colorado, by S. F. F.iiinions. Whitman Cros.s, and (i. II. 

 r.ldri'(li.'e. l.s;i(). 4°. .'I'lti pp. .SI pi. Price i?l. 50. 

 XXVUI. The Maniuctte iroii-beariiif; district of Michifian, with atlafj, by C. K. Van Hise and \V. 8. 

 Bayley, inchidinjr a chapter on the Republic troiifih, by II. L. Smyth. l.H!t7. 4°. 

 ()08 pp. 85 pi. and atla.-^ of .'ill sheets folio. Price $5.75. 

 XXIX. tieoloj;y of old Hampshire County. Massachusetts, comprising Franklin, Hampshire, and 



llam|Klen counties, by B. K. Finerson. 1898. 4°. x.xi. 790 p)). 35 pi. Price $1.90. 

 XXX. Fossil .Medusa', by C. 1 1". Walcott. 1898. 4°. ix, 201 pp. 47 pi. Price $1.50. 

 XXXI. (ieologyof the Aspen minint: district, Colorado, \yith atlas, by J. K. Sjnirr. 1898. 4°. 

 xxxy, 2(i0 pp. 4.3 \>\. and atlas of 30 sheets folio. Price $3.ti0. 

 XXXII. ( ieology of the Yellowstone National Park, Part II, dcsciiplive geology, petrography, and 

 paleontology, by Arnold Hague.,!. P. Iddings. W. II. Weed. C. D. VValcott, (t. H. (iirty, 

 T. W. Stanton, an(i F. 11. Knowlton. 1,S99. 4°. xyii, 893 pp. 121 jd. Price $2.45. 

 X X X 11 1 . (xeologv of the Xarragansett Basin, by X. S. Shaler, ,T. B. Wood worth, and A. F. F'oerste. 



1899.' 4°. XX, 402 pp. 31 pi. Pnce$l. 

 XXXIX'. The irlacial grayels of Maine and their associated dejiiisits, by (4. II. Stone. 1899. 4°. 



xiii, 499 pp. 52 pi. ]'rice$1.30. 

 XXW. The later extinct floras of North America, by .1. S. Newberry; edited by Arthur llollick. 

 ]8<»8. 4°. xyiii, 295 jiji. 08 jil. Price $1.25. 

 XXNVl. The Crystal Falls iron-bearing district of Michigan, liy ,1. M. Clements and H. L. 

 Smyth; with a chapter on the Sturgeon Riyer tongue, by W. S. Bayley, and an intro- 

 duction by C. R. Van Hi.se. 1899. 4°. xxxyi, 512 jip. .53 \A. I'rice $2. 

 XXXVII. F(i.«sil flora "of the Lower Coal Measures of Missouri, by Dayid White. 1899. 4°. xi. 407 

 pp. 73 pi. Price .$1.25. 

 XXXVIII. The Illinois glacial lol)e, by Frank Leyerett. ISitit. 4°. xxi, 817pp. 24 pi. Price .$1.0t). 

 XXXIX. The F>icene and Lower Oligocene coral fauna.s of the I'nited States, with descriptions of 

 a few doubtfully Cretaceous species, by T. W. Vaughan. 1900. 4°. 263 pp. 24 jil. 

 Price $1.10. 

 XL. Adeiihagous and clayicorn Coleoptera from the Tertiary deposits at Florissant, Colorado, 

 with descriptions of a few other forms and a systematic list of the nonrhyncho]di(irons 

 Tertiary Coleoptera of North .\nierica, by S. H. Scudder. 1900. 4°. 148 pji. 11 jils. 

 Price 80 cent.s. 

 XLL' Glacial formations and drainage features of the F.rie and ( )hio basins, by Frank Leyerett. 



1902. 4°. 802 p|i. 2() pis. Price $1.75. 

 XI. II. Carboniferous animonoids of .\nierica, by J. P. Smith. 1903. 4°. 211 p]i. 29 pis. 

 Price 85 cents. 

 -\ 1.1 11. The Mesabi iron-hearing district of Minnesota, by C. K. Leith. 1903. 4°. :!10 jiji. 33 



pis. Price $1.. 50. 

 Xl,l\'. Pseudoceratites of the Cretaceous, by .\liiheus llvatt, editecl by T. W. Stanton. 1903. 

 4°. 351pp. 47 pis. Price $1. 

 Xl.W The Vermilion iron-Viearing district of Minnesota, with atlas, by .1. M. Clements. 1903. 



4°. 403 jip. 13 |)ls. Price .$3.. 50. 

 XI. VI. The Menominee iron-bearing district of Michigan, by W. S. Bayley. 1904. 4°. 513 jip. 

 43 pis. Price $1.75. 

 XLVIl. .\ treati.se on nietamorpbism, b\('. R. \'an Hise. 1904. 4°. 1280 pp. 1.3 pis. Price 

 $1..50. 

 XLVIII. Status of the Mesozoic floras of the I'nited States, second paper, by L. ¥. Ward, with 

 the collalioration of Wm. M. Fontaine, Arthur Bibbins, and G. R. Wieland. 1905. 

 4°. Intworiarts. Pt. I (text), 610 pp. ; Pt. II. 1 19 jils. Price $2.25. 



All vcniittiiiiccs must bo Iw .moxky oi;di:u. iiiadc ]);iyiit)lo to the Director of tlie 

 I 'tiitfd States (rcoloo-icjil Survey, or in cuRRKXtv the exact tiiiioiint. Checks, drafts, 

 and postage stamps can lujt t)e accepted. Cori'espoiidence siioiild lie addressed to 



The DiuKCTcjK. 



United Statks (iKoixxiicAL Survey, 



Washington, D. C. 

 Jiilv. 1905. 



