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A graphic table combining logarithms and anti-logarithms, giving di- 
rectly without interpolation the logarithms to five places of all 
five-place numbers, and the numbers to five places corresponding to 
all five-place logarithms; also a graphic table as above, reading to 
four places. 40 p, The Macmillan Co., 60 5th Ave., New York, 1926.6 
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Parasitologie veterinaire; varasites et maladies parasitaires des 
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Elements of Physics, 509 pe, illus, Ginn & Co., 15 ashburton Fl., 
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A preliminary study of petrolewma oil as an insecticide for citrus 
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Gifttiere und ibre Giftizkeit. 516 p., illus. Gustav Fischer, Jena, 
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La faune de la France en tableaux synoptiqgues illustres, fasc. 4. 
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The Bureau of animal Industry; its history, activities and organiza- 
tion, 190 p. Johns Hoplins Press, Homewood, Baltimore, 1927, (In- 
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lished since 1916; subjects and authors in one alphabet; "Includes 
practically the entire medical literature of the world," Gives a 
list of the journals indexed and a list of new books; alphavetized by 
authors, followed by subject classification of same material; gives 
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