ADVEKTISEMKNT. V 



77. The Tfxnii Pormiaii ;iii(l H» Mesoznic typus of Fossils, by Cliailcs A. Wliitr. 1891 «•■ 51 

 pi>. 1 111. I'rici' 111 ciMils. 



7«. A rii»iit 111 work diim- in the Division of Clieniistrv .iiid Plivsirs. ni:iinl\ ilniiiii- (lie (im-jiI 

 year 18S;t-'90. !■'. \V. Claiki', cliiff .Iniiiisl. IS'Jl. s. KU ])]i. riic'c ITi ,(iiIk. ' 



7!l. A Liitd Volcanic Kniiition in .N'orllicin California ami its pii iiliar lava, hv .1. .s;. Diili:r. 



W. Cornlation jiajH-rs— Uuvonian and C'arbouiferous, li\ lliniv .Sliak-r \Villi'ii?,.s IS'll 8<^ 

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SI. Correlation jiaper-s— Cambrian, by Charles Doolittle Walcott. IMIl. 8- .547 iii> 'i i,l 

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82. Correlation jiapers— Cretaceous, by Charles A. White. 1891. 8. 27.i pi. .'{ iil I'ric.' -'0 

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83. Correlation papers— Eocene, by William IJuIloek Clark. 1891. 8. 17J iii. ' ol I'rico 

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81. Correlation papers— Neocene, by W. II. Hall and <;. 1). Harris. 1892. 8'^ .■{I'li'li 'i id 

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8.5. Correlation papers— The Newark .System, by Israid Cook Knssell. 1882 8^ lilliio li id 

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8(). Correlation papcrs—Archoan and Alf,'onkian, by C. K. \an Iliso. 3392. 8. 549 pp P' id 

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91). A report of work done in the Division of Clieniistrv and Physic.-!, uiainlv dnriii" tlii' fiscal 

 year ]890-'91. K. W. Clarke, chief chemist. 1892. 8-. 77 pji! Price 10 cents. 



91. ifecord of North American tieolo},'y for 1890, by Xclsou Horatio Darton. 1891. 8 . 88 no 

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92. The Compressibility of Liiinids, by Carl Hams. 1892. 8'. 9() jip. 29 pi. Price 10 cents 



90. Some Insects of special interest from Florissant, Colorado, and other points in the TertiarieP 

 of Colorado and Utah, by .Samuel Ilnbbard ."^cndder. 1892. 8. {K ]>p. S ]il. Price 5 cents. 



91. The Mechaiiisin of Solid Viscosity, by Carl Barns. 1892. 8. 1S8 pp. Price 15 cents 



95. Earthiniakes ill California in 1890 and 1891, by Edward .Siu.rleton Iloldeu. 1892. 8- 31 i>». 

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OC. fhe \'oliiniel'lieniiodynamicsof Li(iuids, liyCarl Hants. 1892. 8-. 100 lip. I'rice 10 cents. 



97. The Mcso/.oie Echiuoderuiala of the United States, by W. li. Clark. 1893. 8. ''07 up .50 id 

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,o.^o •^^- '^■''"''" "^ "'" 0"'tl.ving CarbonUerous Basins of Southwestern ilissouri, by Dayiil White. 

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99. Record of North American Geology for 1891, by Nelson Horatio Dartoii. 1892. 8 . 73 pp 

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,„ .,. ^"*^- liil'liography and Indc.\ of the publications of the V. S. Geological Survey, 1879-1892, by 

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101. Insect fauna of the Khode Island Coal Field, by .Samud lliilibard Sciidder 1893 8'^ 

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In press: 



102. A Catalo^nc' and l!ildioj;rapliy of North .Vmerieaii Mosozoic Invi-rtcbrata, by C. 15 Hoyh- 



, ,. I*'!; " ' i'empeiature Work in Igneous Fusion and Ebullition, ehielly in relation to pressure, 

 by Carl Hams. ' ' 



KM. filaciation of the Yellowstone Valley north of the Park, by W. II. Weed. 



105. The l.aiamie and tl xc-rlyiii}; Livingstone Formation iii Montana, by W. 11 W.eil with 



Report on Flora, by F. II. Knowlton. ' 



loti. The Color.ido Form.ition and its Invertebrate Fauna, by T. W. Stanton. 

 107. The ria). Hikes of Lake Cliamplain Valley and the Kasteni Adironda.ks. by .1 K Keiiiii 

 lOS. A ecological IJcconnoissaii.i- in Central Washin^'tou, by Israel C. Russell ' 



109. The i:rn|iti\e and Sedimentary Rocks on Pigeon Point, Minnesota, and Iheii .outact phe- 

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110. The Paleozoic Section iu the vicinity of Three Forks, Montana, by A. C. Peale. 

 In preparation : 



— CoiTelati(iu pa|)ers— Pleistocene, by T. C. Chamlierlin. 



— The Moraines of tlu- Missouri Coleau ami their attendant deposits, by .lames Edward Todd 



— On the Strnclnre of the Ridjjc lietwecn the Tacmiic and the Cieen jiountain Raio'es iu Ver- 

 mont; and On the Structun^ of Monument Mountain iu (Jrcat Harrin-ton, Mass., by T. Nelson Dale. 



— A Bibliography of Paleobotany, by David White. 



STATISTICAL I'APEKS. 



Mineral Kesour.cs of the United States [1882], by Albert Williams, jr. 1883. S\ xvii, 813 pp. 

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„„,. "'»«'■"' J^cs^wicP** of the United States, 1883 .and 1884, by Albert Williams, jr. 1885. 8-. -civ. 

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iBtfc lo"®"'''.'. «e.^""r'i'8 of the United States, 1885. Division of Mining Statistics and Technology. 

 1886. »■'. vii,o(6pp. Price 10 cents. 



