ADVERTISEMENT. 



[Mimograiili XIII.] 



The publications of the United States Geological Survey are issued iu accordauco with the statute 

 approved March 3, 1871), which declares that— . , , ,, , . e r 



"The pnblicstions of the G.nl,,.^!.;!! Survey shall consist oe the annual report of operations, -e..- 

 losical and economic maps iUnstiai ,1,4 th, ..sources and classili.-atiuu ..1 the lands, and rcpmis up,.,, 

 ^reueral and economic seoh)gy an,l |,:,l.o„,,,l„gy. Tho auniial repoit ot operations ot the Geolo-i,'n 

 Survey shall accompany the annual rep'ul. ,.( the Secretary ot tlie lutenor. All special mem„us an. 

 reports of said Survey shall be issued in uniform .piarto series it dee.u.Ml iie,:e,ssai-y by the Director, h.il 

 otherwise iu ordinary octavos. Three thousand copies ot each shall be pnUhshed ..r scuMitihc exchaii-.-.s 

 and forsale at the pricoof publication; and all literary and cartographic materials received in excluinnv 

 shall be the property of the United States and form a.part of the library ot the organizhtiou: An.l II. ■ 

 money resulting from the sale of such publications shall be covered into the Treasury ot the Unil.-.t 



' "'*'''*bn July", W-!2, the foUowiug j,«iut resoluti.iu, ref^-riug to all G.jvernuient publications, wai 

 passei^^^V^^on^giess^^^ ^^^^ document or report, shall he ordered printcl by Congress, there shall be 

 printed, in addition to the number in each case stated, the ' usual number' (1,900) of copies for binding 

 and distribution among those entitled to receive them." ,,...,, ,• , . ,1 u- 



Except iu those casesdn which an extra number ol auy pnblic.jtion has been supplied to the Snr 

 vey by special resolution of Congress or has been ordered by the Secretary ot the Intenor, Ibis ollnr 

 has no copies for gratuitous distribution. 



ANNUAL EEPOKTS. 



I First Annual Report of the Uuited States Geological Survey, by Clarence King. 18.-<0. H". 71) 

 pp. 1 map.-A preliminary report describing plan of organization fuid piiblicatioiis. 



II. Second Annual Report of the United States Geologioal Survey, 1884-'81, by .1. W. I „w.ll. 



^*'^^' m. Third^Annual Report ot^Uie United States Geological Survey, 1881-'82, by ,1. W. Powell 



1883. 8^. xviii, 5G4 pp. (i7 pi. anil maps. , . , „ ,0=1 ,,., , . ,,r ., .. 



IV. Fourth Annual Report of the Uuited States Geological Survey, 1832-'.bJ, by J. W. I owell. 



1884. S°. xxxii, 473 pp. 8.-, pi. and m.Tps. „ , ■ , c laa-! >flj i„ i vv p „v,.ll 



V. Fifth Aunnal Report of the United States Geological Survey, 1883-84, by J. W . lowell. 

 1385. 8°. xxxvi, 4yUpp. .W pi. and mans. , . , . ,00. -o- 1 1 it 1. ,, 



VI. Sixth Annual R.e|)ort of the Uuited States Geological Survey, 1884- 8;>, by .). W . lowell. 



Vli. Se'^vei'ith Aunnal' Report of the Uuited States Geological Survey, 1885-'8G, by J. W. Povyell. 

 1888. 8°. XX, 656 pp. 72 pi. and maps. 



The Eighth and Ninth .Viinual Reports are in press. 



MONOGRAPHS. 



Monograpli I is not yet published. , ^„ ,- i^ *. r. . i- w 1 



II. Tertiary History of the Grand Canmi District, with atla.s, by Clarence E. Uiitton, (apt., 1 . S. A. 

 188' 4°. xiv, 364 pp. '4i pi. and atlas of 24 sheets folio. Price $10.12. 



III. Geology of the Comstock Lode and tho Washoe Di.striet, with atlas, by George 1. IJecLier. 

 1882 4° XV, 4t'2 pp. 7 pi. aud atlas of 21 sheets folio. Price .SI 1. 



■ IV Coii.stn.k Mi. lii. gaud Miuer.s, by Eliot Lord. 1883. 4^. xiv, 451 pp. 3 pL Price .li;l.;iO. 



V. The t'u|. p. I 1; iiing RoeksofLake Superior, by Roland Dner Irving. 1883. 4'. xvi,464 pp. 



15 1 *'*) p! Pm <■ >1 "■' 



VI. Contributions to the Knowledge of the Older Mesozoic Flora of Virginia, by William Morns 

 Fontaine. 1883. 4=. xi, 14lpp. 54 1. .54 pi. Price $1.05. 



VII. Silver-Lead Deposits of Eureka, Nevada, by Joseph btory Curtis. I08I. 4 . xiii, aio pp. 



'"■'' VllV.^Paleontology of the Eureka District, by ChirlesDjolittleWalcott. 18!il. 4^. xiii,2JS pp. 

 24 1. 24 pi. Price $1.10. 



