MISCELLANEOUS. 697 



The aci'uracy of the (HtJrliarge curve depeiuls on the accuracy of the individual dis- 

 charge nieat^urementt), the permanence of the river bed, the position of the gage, 

 and the accuracy of the gage readings. The accuracy of river-stage fluctuation 

 measurements depends on tlie kind of instrument used t\)r tiiis purpose, its position, 

 and the frequency and accuracy of the observations." 



Hydraulic diagrams for the discharge of conduits and canals, based upon 

 the formula of Ganguillet and Kutter, C. II. Swan and T. Horton {New York : 

 EngineerbHi Xrirs rahlishing Co., 1899, pp. 43). 



Profiles of rivers in the United States, II. G.\nnett ( Water Supply and Irrig. 

 Papers, U. S. Geol. Siirve;/, Xo. 44, pp. loO, p}^. 11). 



Tests of agricultural machines, ]M. RixciELMANN {Mem. Sac. Nat. Agr. France, 

 139 {1900) , pp. 339-365, figx. 10 ) . — This article discusses the general subject of machine 

 testing and gives descriptions of the machine-testing station at Paris and at the Uni- 

 versal P^xposition. 



Economics of road construction, H. I*, (tillette {Neiv York: Engineering Neir.'i 

 Publishing Co., 1901, jip. 41,. figs. 9). 



Machinery for refrigeration, N. Selfe {Chicago: H. S. Rich ifr Co., 1900, pp. 416, 

 figs. 213). 



Refrigerating machinery — its principles and management, A. R. Leask 

 {London, 1901, rev. ed., pp. 296, ill.). 



MISCELLANEOUS. 



Twelfth Annual Report of Arizona Station, 1901 {Arizona Sta. Rpt. 1901, 

 pp. 305-342) .—T\\\^ includes a rejiort of the director containing a general review of 

 the work and publications of the station during the year, notes on the educational 

 value of station work, an account of the date-palm orchard, and a tinancial statement 

 for the fiscal year ended June 30, 1901; a report of the agriculturist and horticultur- 

 ist giving brief notes on date-palm culture, tests of field crops, and irrigation and 

 evaporation experiments; an account of experiments in animal industry noted else- 

 where; a report of the botanist containing an account of work in range improvement 

 and brief notes on the Australian saltbush, parasitic fungi, economic cacti, etc., and 

 a report of the chemists containing notes on the examination of irrigation waters 

 and analyses of sugar beets. 



Annual Report of Oregon Station, 1901 {Oregon Sta. Rpt. 1901, pp. 19-47). — 

 This contains a l)rief report of the director, a financial statement for the fiscal year 

 ended June 30, 1901, and departmental reports reviewing at some length the different 

 lines of station work and giving some of the results obtained during the year. 



Annual Report of South Dakota Station, 1901 {South Dakota Sta. Rpt. 1901, 

 pp. 27-36). — A l)rief review of station work during the year by the heads of depart- 

 ments and a financial statement for the fiscal year ended June 30, 1901. 



Agriculture in China, C. Denbv {Forum, 32 {1901), No. 3, pp. 328-340).— TWm 

 article is a general discussion on Chinese agriculture. The different crops are briefiy 

 treated. 



Agriculture in New Zealand, M. Mcrphy (A'i'jr Zealand Offic. Yearbook 1899, 

 pp. 439-470). — A statement of the agricultural and pastoral conditions of New 

 Zealand. The production of cereals, root crops, flax, sugar beets, grasses, and legu- 

 minous forage crops is noted. 



Agricultural education in the higher institutions of France and Algeria 

 {Bui. Agr. Algerie et Tnnisie, 7 {1901), No. 21, pp. 517-520). — Tlie article gives a plan 

 of agricultural instruction recently adopted at the School of Sciences, Algiers. 



The national school of agriculture at Grignon, P. Dechamhke {Monde Mod., 

 1901, No. 74, pp. 196-204, tigs. 7). — The history of this institution is given and the 

 course of instruction and the management of the school are described. 



