RUEAL ENGINEERING. 289 



aerobe. The reaction to Gram's stain is intermediate. To the presence of this 

 bacillus in livers of normal dogs may be attributed many results of so-called 

 aseptic autolysis of liver tissue. 



Linguatula tsenioides, S. H. Gaigee {Jour. Trop. Yet. Sci., .'t (1909), Xo. ^, 

 PI). o2S-o3I. pi. I). — The author reports an extraordinary prevalence of this 

 parasite among pariah dogs in India. Anchylostomum trigonocephalum is said 

 to have been found also in almost every dog examinwl, and to be the principal 

 cause of excessive hemorrhage from the nostrils of European dogs in India. 



Lehman's poultry doctor, H. H. Lehman ([Ashhiml. Ohio, 1D09], pp. 96, 

 pis. do, fi(/s. (1). — A treatise on poultry diseases, intended for the farmer and 

 poultry raiser. 



Experimental investigation of the spirillosis of fowls in Tunis, C. Comte 

 and H. Bouquet (Arch. Imt. Pasteur Tunis, 4 (1908), Oct., pp. 163-168; abs. 

 in Bui. Inst. Pasteur, 7 (1909), 'So. 5, pp. 201, 208). — The Tunis virus trans- 

 mitted by Argas pcrsicus is said to infect geese and ducks as well as hens. 



On the pathogenic action of helminths in birds, Sarah Wehrm.vnn {Arch. 

 Par.. 13 ( I'.iOH). So. 2, pp. 20'i-23S. ji<js. (i; abs. in Bui. Inst. Pasteur, 7 (1909), 

 So. 8, pp. 357, 338). — The author rei)orts studies made of the lesions produced 

 by intestinal parasites, particularly Echinorliynchus polymor pints, E. filicollis, 

 and Ilystrichis clegans. It appears that certain helminths of birds play a role 

 in the transmission of infectious diseases. 



A tabular list of the intestinal parasites which were found in birds is 

 appended. 



Ascaris canis and A. felis, II. Glaue (Zool. Anz.. 33 (1909). So. 2^i-25, pp. 

 785-790, p(js. 3; abs. in Jour. Roy. Micros. Soc. [Lon(lon^, 1909, So. .'/, p. Ji63). — 

 The author finds that these 2 species are readily distinguished, the dog ascarid 

 being twice the size of the cut parasite, 



RURAL ENGINEERING. 



Irrigation in North Dakota, T. U. Atkinson ( U. N. Dept. Agr., Office Expt. 

 Stas. Bui. 219, pp. 39, map 1). — This is one of the series of reports published 

 by this Office giving the present status of irrigation in the several arid States 

 and Territories, the aim being to supply such information as is needed by one 

 contemplating settlement in the arid region. It gives data as to rainfall, water 

 resources, irrigated and unirrigable areas, character of the lands and the 

 products of irrigated land, and describes the existing and proposed irrigation 

 projects. A discussion of the laws of the State controlling irrigation is also 

 included. 



The condition of the agricultural lands of the State in reference to water 

 supply is summed up, as follows: Lands needing drainage, .3,255,000 acres; now 

 drained, 432.000 acres; irrigable, 1,540,000 acres; and now irrigated, 64,000 

 acres. 



Synopsis of Wisconsin drainage laws with forms and general suggestions, 

 E. R. Jones (^Yiscons^n 8ta. Circ. Inform. 6, pp. 19; Sup. pp. g).— This synopsis 

 of the Wisconsin drainage laws is supplemented by general suggestions, speci- 

 men forms for petitions, reports, and specifications, and a list of dredge owners, 

 tile makers, and drainage engineers. 



The hollow concrete fence post, C. A. Ocociv (Wisconsin Sta. Circ. Inform, 

 5, pp. 4, fig. 1). — Data as to the construction of hollow and solid concrete fence 

 posts for farm use are presented, including directions for building the forms, 

 preparing the concrete mixture, and reinforcing and curing the posts. 



