356 EXPEKIMENT STATION RECORD. 



be more readily dissolved in S liters of boiliuji water and then 42 liters of waiter 

 added. The lime is slaked in a bucket and strained through a sieve into a vat 

 capable of holding 100 liters. The slaking is continued until all the lime is 

 used, i oz. sugar added to the lime and water up to 50 liters, and the copper 

 sulphate solution (which in tlie meantime must be entirelj' cold) poured in, 

 stirring raiudly and thoroughly. If, on testing with a clean kuife blade, a 

 copper deposit is formed, more lime must be added until there is no tarnishing 

 of the lilaile. The sjiray is then ready for use. 



Powder for Bordeaux mixture, K. H. M. van der Zande and G. H. G. Lagers 

 (Tijdschr. I'lautcnzicklcn, JO (lUlO), Xo. 1-2, pp. 3Z-J,l, pis. 2).— The results 

 are given of experiments with various proportions of copper sulphate and soda 

 in the preparation of a powder which when mixed with water will make an 

 efficient spray similar to Bordeaux mixture as usually prepared. 



It is claimed that when the powder is made from small crystals of copi)er 

 sulphate, in jilace of coarse crystals, it keei»s longer and chemical changes occur 

 less readily before using it. It was also found that GO parts by weight of cop- 

 per sulphate and 40 parts of soda, or Go parts of copper sulphate and 3.5 iiarts of 

 soda, i)rodHced as satisfactory results as the powder commonly recommended 

 consisting of 70 parts of copper suli)hate and 30 parts of soda. 



Whicli deserves the preference, Bordeaux or Burgundy mixture? H. M. 

 Quanjer (Tijdschr. Plantcnziektcn, 16 (1010), .Yo. 1-2. pp. -J~--'/5). — This is a 

 discussion of the merits of these two fungicides, as regards cheapness, sim- 

 plicity of preparation, stability, both before and after api)lication, adhesion to 

 plants, direct action on the jtlants, and protection of the plants against disease. 



ECONOMIC ZOOLOGY— ENTOMOLOGY. 



Life histories of northern animals, E. T. Seton (New York, 1909. ro7.<?. /, 

 ]il). AA A -f /-Cj7J; 2. pp. \ II + 611-1201, pis. 100, figs. 2()1, maps GS; rev. in 

 Science, n. scr., .30 (1909). Xo. 182. pp. 9 2. ',-927). —In the introduction a sketch 

 is given of the physical features of Manitoba followed by a section on the 

 faunal areas and life zones of Canada. The section treating of the geology 

 and physical features contains a map illustrating tlie distribution of deciduous 

 and coniferous forests, the sand hills, and marshes of the province. The .section 

 devoted to fauual areas is illustrated by a faunal map of North America, exclud- 

 ing the Tropics, the continent being divided into 3 primary regions — arctic, tem- 

 perate, and tropical, and these again into smaller areas designated as faunas 

 and subfaunas. 



A'ohime 1 takes up the grass eaters and volume 2 the flesh eaters. The work 

 aims to be a book of popular natural history on a strictly scientific basis. 

 Although it has been limited to the 60 sjiecies that are found in Manitoba, these 

 include all the large mammals of the United States, with the exception of about 

 a dozen. 



The review is by J. A. Allen. 



Notes on Kansas mammals, D. E. Lantz (Trans. Eaus. Aead. ScL. 22 

 (1908-9), pp. 336, 337). — Notes are given on the 7 forms of rabbits known to 

 occur in Kansas, including 2 hitherto unreported races. A si)ecimen of the 

 Mexican free-tailed bat CSyetinamus mexicanus) is also reported to have been 

 collected in the State, making the total number of forms of native mammals 

 of Kansas S8. 



The muskrat, D. E. Lantz (U. S. Dept. Agr., Farmers' Bui. 396. pp. 3s. fig.i. 

 5). — This publication discusses the habits, economic relations, and value of 

 the muskrat, or musquash (Fiber zibviliieus). 



