ee ee ee eS eC 
2 a5 = 
Gruse, W. A. 
Petroleum and its products. A chemical discussion of the properties, 
refining and utilization of petroleum. Ed. 1. 377 p. New York, 
McGraw-Hill Book Company, Inc., 1928. (Bibliographical footnotes. ) 
Hogarth, A. M. 
British mosquitoes and how to eliminate them, with a preface by 
sir William Simpson. 127 p. plates. London, Hutchinson & Co., 
LORS. 
Jordan, E. OQ. 
A textbook of general bacteriology. . . Ed. 9, thoroughly rev. 
778 p. Philadelphia, W. B. Saunders, 1928. 
MacGregor, M. E. 
Mosquito surveys: A handbook of anti-malarial and anti-mosquito 
Pena workers. 295 p., illus., "pl. London, Bailliére}” Tindall, 
& Cox, 1927. (References and a list of publications specially use— 
ful to field workers, p. 259-272. ) 
Mahdihassan, S. 
An experimental study of the life cycles of lac insects. Part I. 
Jour. Science Assoc. Maharajah's College, Vizianagaram, vol. III, 
Nose @, Oo, & 4, p. 69-112, 1927. 
Megnin, Pierre. 
Les insectes buveurs de sang et colporteurs de virus. 150 p., illus. 
Paris, F. R. Rudeval, 1906. 
Morrison, Harold. 
A classification of the higher groups and genera of the coccid 
family Margarodidae, goo (Op aslius.,, i pl. Washington, -Dwece 
Muly, 1926. (U: S. Dept. of Agr. Tech. Bul. 42.) (Literature cited, 
p. 228-236. ) 
Netherlands — Plantenziektenkundige dienst, Wageningen. 
The phytopathological service in the Netherlands. Ed. 3. 18 p., 
illus. Wageningen, H. Veenman & Zonen, Maart, 1928. (Verslagen en 
Mededeelingen van den Plantenziektenkundigen Dienst te Wageningen 
No. 132.) 
Owens, C. E. 
mrincipies Of plant pathology. 629 p., illus. New York, John 
Wiley & Sons, Inc., 1928. (Bibliographies at ends of chapters. 
Relation of insects to plant diseases, p. 131-141; Diseases caused 
by nematodes, p. 517-5356. ) 
Poetlips, EB. F. 
Beekeeping. A discussion of the life of the honey bee and of the 
production of honey. Rev. ed. 490 p., illus. New York, The Mac— 
Millan Company, 1928. (Rural Science Series, ed. by L. H. Bailey.) 
R. Instituto Superiore Agririo Portici. 
Cattedra di zoologia generale e agraria. — R. Laboratorio di en- 
tomologia agraria. 126-162 p., XLI-LVI pl. Spoleto, Stabilimento 
Ort. eratiche Panetto & Petrelli, 1928. Estratto dal volume: IJ 
R. Instituto Superiore Agrario di Portici, 1872-1928 
