■ • 



II. Geology and Natukal History. 



1. Annual Report on the Geographical /Surveys icest of the 

 100th Meridian, by G. M. Wiieixkk, 1st Lieut.' Eng. U.S.A. 

 350 pp. 8vo, with many imps :ui<l plates. Washington, 1876. 

 — Ij.mii- ii.-uit Wh. •<■!.■.•"- !,'■ p.>i-t. *-vr»-ii'liis-_r to 7'.' pages, treat- 

 of the general results of the expedition. It is followed by 



« !ogi i h ] otlu i int a 

 mation, by Lieut. \V. L. Mak-'iiau.. Lieut. P. Bergeaxd, Lieut. 

 W. L. Caupkniku, Lieut. R. Biemk, Jr., Lieut. C. C. Monmsox, 

 and Lieut. C. W. Whipple; on meteorology and hypsotmtry by 

 Lieut. W. L. Marsha.lt.; on the geology and mineralogy of 

 Southeastern Calif i -. 'hernial spriiigs and 



brackish waters of Southern California — the physical and agri- 

 a fares and ethnology of Souther!: California — the 

 meteorology of the Mohave Desert and the geographical dis- 

 . its vegetation, bv Dr. O. Loew; on the geology of a 

 portion of Southern California by Prof. J. Maiioh'; 'on the geol- 

 ogy of the mountain range from La Veta Pass to the head of the 

 Pecos, by A. R, Conklixg ; economic botany and ; : 

 Southern California, bv Dr. J. T. Rotiiiiock ; on the ornithology 

 ..i-tion- of California, bv II. W. IIk.ysiiaw : 

 on Ortlioptera. bv S. II. S. coder; on Coleoptera, by Dr. J. L. 

 LeCoxte; on the Alpine insect fauna, by Lieut. W. L. C.uii'EX- 

 spoken in Southern California, Xevada 



( re. k, Califor ia, an n f, rred t . th< E .ccm T< itia 



L'pp* r ( 'retaeeiui-. notwithstanding the pn s< ne< • fa few ( 'rctace- 



species, with these exceptions, having prominently 

 character. 



2. Ge<>?or/h-a? ami G>»<;raphical Survey of the T, 



F. V. Hatdex, L. S. (Geologist in charge. — Bulletin Xo. 2 of vol. 

 III. roc ; ; ,~ i - u is i paper on Western Diptei 

 ing descriptions and new genera and species, by C. R. 0-r;:\- 

 S\< ;.'i \. oeeup\iiig !-;.> p.igi-: a report on In-ecCs 

 P. ii. 1 bier iii J -7 ■. nd ot lb :niph ra . •;' et 1 bv A. S. Packard, 

 Jr., by P. R. Uhler, with two plates, extending to 120 pages; 

 iptions of the Araneae collected in 1875, by A. S. Pack- 

 sard, Jr., by T. Tiiorell, over 50 pages. The memoir by P. R. 

 Uhler contains monographs of the families Cydnidae and Said®. 



3. Contributions from the Laboratory of the I 

 J//,..v.,,,,-/ ,• Li-port bv the Curators of the University oi 



to the lo.veriioi «,f" the State. Includes a paper by Prof. P. 



Schweitzer on the various methods of separating and det 



Barium, Strontium and Calcium ; a paper by C. P. W 



the composition <f Miss t the lead < 



99-91 to 99-993 per cent, and the silver 0-00029 to 0*00615 per 



