328 



from North and South America — Puccinia heterogenea, Uredo gossypiij 

 Doassansia gosHiipii^ Peronospora gonolohi ; Reviews of Recent Litera- 

 ture — Untersuchungen aus dem Gesammtgcbiete der Mylologie, Heft /a', 

 Miintster (Dr. Oscar Brefekl)^ Crittogamia Agraria, Naples (Dr. O. 

 Comes); Der falsche Mehltau, sein Wtsen vnd seine Beh'impfung, Zurich 

 (J. Morgenthaler) ; Index to North American Mycok)gical Literature 

 (continued), by D. G. Fairchild. 



OFFICE OF IRRIGATION INQUIRY. 



Progress Report on Irrigation in tue United States (i>p. 

 337, phites 5). — This includes articles on Irri|jcation in the United States, 

 by R. J. Hinton; Artcsiau and Uiidi-rflow Invt'stiuatioii, l>y R. Hay 

 and by J. W. Gregory; Progress? of Irrigation iu Montana, Idaho, cast, 

 ern Washington, and Oregon in 1890, by J. W. Nimmo, jr.; Irrigatimi 

 Statistics and Progress in Colorado for LSOO. by L. G. Car]>cntci -. 

 Artesian Water in Nevada, by C. W. Irish; Phrcatic Waters in Nvt- 

 County, Nevada, by G. Nichols; Lnbibition of Kocks, by R. T. Hill; I 

 The Cultivation of the Raisin Grape of California by Irrigation, con 

 denscd from a recent j»ublicati«»n by G. Eiscn; Inigatioii in Anstialia. 

 by R. J. llinton; and Alkali Soils and \N'aters in California, condensed 

 from rc|)orts by E. W, Ililgard. A large amount of information is givrn 

 regarding the history, present condition, methods, and legal relations of 

 iiTigation in the United States. 



Lands under dilth in Ihr arid and stmiarid rcyion. 



StaU'8. 



Arizona* 



ralilV.iniii 



('(iloriulo 



Idaho 



KaiiHat* (wcslvni) 



Montana 



Kfliranka (wi'«t*!ru) 



"Ntva.la 



!Ni'W Mcxiro 



Ortfion (la.Hlfin) 



Sonth Oakota (Ulack Uilk) 

 KlMcwhfi-e in tlio l>ukotaa. . 

 Texas 



riah 



AVyoniinji 



AVyoniinf; (i-aslcrn). 



Total. 



Uuder dit«h. 



1889. 



Aerr$. 

 .V«l. 2»)0 



.1, 2!U. mm 



2, S13, -.'73 

 TlTi. .VMI 

 5<K). (MM) 

 9Hli. IHH) 



!>ll, IKJO 

 14-J,(MK) 

 CilS, 455 



v."), tXMt 

 llKt. 000 



200,000 



700. INK) 



1,946,«"6 



75,000 



cret. 

 IH.1. 4.'>0 

 (M4. (MX) 

 (H»4. IKIJI 

 18l.r>«M) 

 WiO, (Htl 

 UMl. IHNI 

 eS.tKMI 

 150. IKMI 

 677.315 

 KM). (MM) 

 1(K), (KM) 

 2, (KM) 

 340. 0(K) 

 700. 0(K) 

 »46. 87H 

 150, (KM) 



12,764,304 16,064,160 



Fnd<>r 



cultivaUun, 



1890. 



Acret. 



31(1. KM) 



2. 444. (MMt 



I.-'Vh.-,. (xKt 



327, (MM) 



KMI. (MM) 



4(KI. (MM) 



10. (MM) 



75. (MM» 



4.'>(). (MM) 



45, (MMI 



20. (MMI 



2. (MM) 



KM. (KMI 



413.1M)(I 



175,000 



60,000 



7, 576, 100 



* In Arizona for 18!)0 l»-o pstimaifs wi-ro wi-nt in. ono of ."»S7,4(K) arres under ilitoli and 2S5.2(K) rnlti- 

 vatcd aciis, by tlie Arlitig (iinnmor; llif otliir, ClIO, 440 mrc* under dit< h .and 325,000 cultivat<><l, by 

 (lovenmicnt ottieer». Tlie ii^iires aliove are the mean of the two estimate.-'. 



It may safely be assmned that there are very ninii.v sni.all irrijjate«l .areas scattered 

 throiiejlioiit the arid rejjion which are not iiultidcd in these cstiniatcs. There are 

 also largej iireas, not many in nniiilu'r, perhaps, in whicli the nse of wat«r for irri- 

 gating natural and cultivated grasses is of considerable importance. No estimate is 



