RURAL ENGINEERING. 481 



Blackhead in turkeys (enteiohepatitis). C. 11. Higoins (Canadti Expt. 

 I'aniis h'i)ts. WU), i>i). 6S3-6SG). — An account of this disease and its prevention 

 and ircatiuent. 



Lice and mites: Life history and extermination, Helen D. Whitaker 

 (Washington Sta. Popular Bid. IJ, {I'Jl.'f), pp. 7). — A popular account of the 

 ectoparasites of poultry and means for their control. 



RURAL ENGINEERING. 



River and canal engineering, E. S. Bkllasis (London and New York, 1913, 

 pp. A'+2/J, fnjs. 72). — It Is the object of this book to describe the characteris- 

 tics of open-flowing streams and the principles and methods to be followed in 

 dealing with them. The subject matter is presented under the following 

 chapters: Rainfall, collection of information concerning streams, the silting 

 and scourhig action of streams, niolhods of increasing or reducing silting or 

 scour, works for the protection of banks, diversions and closures of streams, 

 the training and canalization of rivers, canals and conduits, weirs and sluices, 

 brldsos and syphons, drainage and floods, reservoirs and dams, tidal waters 

 and works, and river bars. 



Report of investigations of land settlement and irrigation development in 

 Amei-ica, E. Mead (Melbourne, Aust., 191.'i, pp. 10). — This is a general report 

 on Ibe subject. 



An economic phase of irrigation, A. M. Paul (West. Engin., 5 (191)), No. //, 

 pp. IG.i, IG-'f). — The author discusses the application of the law of niininunn to 

 Ihe use of irrigation water. 



Notes on irrigation and cooperative irrigation societies in Ilocos Norte, 

 E. 15. ('nuLSTiE (Philippine Jour. Hci., Seet. D, 9 (191/f), No. 2, pp. 99-113, pi. 

 1). — It is the object of this article to convey a general idea of the degree of 

 development of native irrigation in Ilocos Norte and to give a detailed descrip- 

 tion of the irrigation works in Bacarra and Bintar. 



Irrigation and canal building in British India, E. Jacquerez (Min. Agr. 

 [France], Ann. Fon'ts, llydruul. [etc.]. No. J,3 (1912), pp. 337-1,21, pis. 5, figs. 

 23). — The author discusses in some detail the phases of irrigation as practiced 

 in British India, taking up particularly methods of elevating irrigation water, 

 irrigation canals, design and alignment of permanent canals, chutes, rapids 

 and flumes, dams and water storage, water measurement and distribution, and 

 administration and cost of irrigation enterprises and the resulting revenues. 

 Discussions of the design of irrigation structures invohing mathematical cal- 

 culations are given and typical structures are illustrated. 



Concrete lining, Franklin Canal, Rio Grande project, L. I\I. Lawson (Engin. 

 Nen-S', 72 (1911,), No. 11. pp. 5'f0-5.'i3, figs. S). — Tlie construction of the concrete 

 lining necessary to increase the canal cai)acity is described and illustrated. 

 A 4-iu. thickness of concrete was placed with forms on a 14:1 slope. Cost 

 data are also given. 



The reclamation of the Zuider Zee, J. M. Figee (Engin. Ncics, 72 (191/,), No. 

 IG, pp. 778-780, figs. 2). — A system of reclamation by means of dikes and steam 

 pumping plants whereby about SOO square miles will be drained and made avail- 

 able for agricultural purposes is described and illustrated. It is estimated 

 that this project will cost about $1;W,(H)0,000 and will i-equire ?>?, years for com- 

 pletion. 



The cost of tile drainage: A study of the cost of installing thirty-five 

 miles of tile drains on a farm in Huron County, Ohio, L. H. ConnARO and H. 

 O. TiKFANY (Ohio tita. Circ. 147 (19V,), pp. 21-',',, figs. 7).— -This circular pre- 



