ADVERTISEMENT. VII 



135. Bibliography and Indux of North American Geolo.'v, Pah-outoloffv, Petrolo^'-v ami Miiipr- 

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136. Volcanic Rocks of South Mountain, Pennsvlvauia, by Floreuco Ba.sconi 1896 8- 1''4 Dn 

 28 pi. Price 15 cents. ' ■ ■ " li- 



137. The Geology of the Fort Riley Military Reservation and Vicinity, Kansas, by Robert Hav 

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138. Artesian-Well Prospects in the Atlantic Coastal Plain Region, by \ H Dirtun 189(1 8^ 

 228 pp. 19 pi. Price 20 cents. " ' ^ ^- ^ 



139. Geology of the Castle Mountain Mining District, Montana, by W. H. Weeil ami L V Pirs 

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140. Report of Progress of the Division of Hydrography for the Calendar Year 1895 bv Frederick 

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, „T.J,"- 1??,*^'!'^^'','' I^'^Posifs of the Mi.ldle Atlantic Slope in Delaware, Maryland, and Virginia 

 by William Bullock Clark. 1896. 8'-. 167 ])p. 40 pi. Price 15 cents. ' 



^ „, 1^-- -^,P'■''^*' L'ontribntion to the Geology and Paleont(dogy of Northwestern Louisiana bv 

 T. Wayland Vaughan. 1896. 8^. 65 pp. 4 pi. Price ;0 cents. ' ' 



143. A Bibliography of Clays and the Ceramic Arts, bv .John C. Branner. 1896 8- 114 nn 

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144. The Moraines of the Missouri Cote.ui and their Attendant Deposits, bv .Fames Edwird Todd 

 1896. 8^'. 71pp. 21 pi. Price 10 cents. ' J->"" .ira lod.i. 



145. The Potomac Formation in Virginia, by W. M. Fontaine. 1896. 8'-\ 149 pp. 2 ],1. Price 



146. Bibliography and Index of North Annrican (ieolngy, Paleontology, Petrology, and Miner- 

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*• ,. ^^7' ^■;"'^'l"'il«'s in California in 1895, by Charles D. Perrine, Assistant Astronomer in Char<re 

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148. Analyses of Rocks, with a Chapter on Analytical Methods, Laboratory of the United .States 

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 20 cents. ' ' ' ' ' 



149. Bibliography and Index of North American Geology, Paleontology, Petroloo-y and Miner 

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IpO- The Educational Series of Rock Specimens collected and distributed bv the United States 

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Vnun-Ivfi" '^ixQS^^T '■'■ lio*'"'^":,'- 'fyPl^'.-as of the Texas Region, by R. T. Hill and T. Wavland 

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,ono ^1?- '^£''*^'''og'>e of the Cretaceous and Tertiary Phmts of North America, by F. H Knowltou . 

 1898. 0^. 247 pp. Price 20 cents. 



,ono ^B- ^j^i'^'iogniphic Index of North American Carboniferous Invertebrates, by Stuart Weller 

 1098. 8". bo,i ])p. Price 35 cents. . 



154. A Gazetteer of Kansas, by Henry Gannett. 1898. 8-. 246 pp. 6 pi Price -^O cents 

 • r.. ^•■'''' E.^j;t'>'l'"i'^''f ill California in 1896 and 1897, by Charles D. Perrine, Assistant Astronomer 

 111 Charge ot Earthquake ( ibseivations at th.- Lick Observatory. 1898 8- 47 pp l-rif.e 5 cents 



l.D6Bibliograi,hy and Index of North American Geology, Paleontology, Petrology, and Miner- 

 alogy h>r the Year 1897, by Fred Houghton Weeks. 1898. 8^. 130 pp. PrTce 15 cents 



+ ., ^w /?'"■ u"n*'^^®i,£'^'^o'^,''"''^''?'***' '""' Associated Rocks of Southeastern Minnesota, bv Chris- 

 to]iher Webber Hall. 1899. 8^\ 160 pp. 27 pi. Price 45 cents. .vv-uns 



'r 1 1 ^°hJ}''i^"^"'','-^'^ of Southeastern South Dakota and their Attendant Deposits, bx- .Tames Edward 

 loU<i. 1899. 8. 1/1 pp. 2/ pi. Price 25 cents. 



io,> ^'^^A ^i""' ideology of Eastern Berkshire County. Massachn.setts, by B. K. Emerson. 1899 8^ 

 139 pp. 9 pi. Price 20 cents. «■ u . 



n If*^' ^*oo''"io"'*!^i-"*' •^lt't.'"le8 iu the United States (Third Edition), compiled by Henry 



Gannett. 1899. 8°. 775 pp. Price 40 cents. ■ '"^"'-^ 



^fv l?^' ^.^'■f'^'1"»^«^8 .i" California in 1898, by Charles D. Perrine, Assistant Astronomer in Char-e 

 ofEarthquakeOlKservationsatthe Lick Obscrv.atory. 1899. 8J. 31 pp 1 pi Pric^ 5 cents 



, l^-Vi'^'''^'°"';'Jno'','''"'l, ^'"^'''' "^ ^'''■'''' A'-ierican Geology, Paleontology, Petrology and Miner- 

 alogy lor the Tear 1898, by Fred Boughton Weeks. 1899. 8^ 163 pp. Prfce 15 cents 



163. llora ot the Montana Formation, by Frank Hall Kuowlton. 1900. 8". 118 pp. Price 15 



161. Reconnaissance iu the Rio Grande Coal Fields of Texas, by Thomas Wayland Vau.-han 

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 100 pp. 11 pi. and maps. Price 20 cents. ■ .i^^. o. 



lonn ^so <^^o"f''"iti"°s to the Geology of Maine, by Henry S. Williams and Herbert E. Gregory. 

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166. A Gazetteer of Utah, by Henry Gannett. 1900. 8-. 43 pp. 1 map. Price 15 cents 

 Ibi. Contributions t^i Chemistry ami Mineralogy from the Laboratory of the United States 

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 * 1 ,; 1 , ;,-\??^?'' ,^°'''^^' Laboratory of the United States Geological Survey, 1880 to 1899 

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169. Altitudes in Alaska, by Henry Gannett. 1900. 8-. 13 pp. Price 5 cents 

 In preparation : 



170. Idaho-Montana Boundary Line, bv Richard Urquhart Goode. 



— Bibliography and Catalogue of the Fossil \'ertebrata of North America, by Oliver Perry Hay. 



