Tae 
Provasi, Tiziano. 
Elementi di parassitologia e tarapia agraria. ... pt. Il, 
I parassiti animali e i mezzi per combatterli. 274 p., illus., plates. 
Livorno, Giusti, 1928. (At head of title dott. Prof. Tiziano Provasi: 
Biblioteca degli studenti. Notizie di storia, di lettere, di scienze 
e d'arte, vol. 73-4-5-6-—7-8-9-10. ) 
Ramakrishna Ayyar, T. V. 
A contribution to our knowledge of the Thysanoptera of India. 217— 
316 p., plates. Calcutta, Central Publication Branch, 1928. (Mem. 
DepteeAer., Lndia. ent. oer. v.<l0% No. 7.) 
ROW sone e woe « 
The humanizing of knowledge. Ed. 2, rev. 95 p. New York, Geol 7H: 
Doran Company, 1926. (The humanizing of knowledge series. } 
Rogi 2A. is, and Root, E. R. 
The ABC. and XYZ of bee culture. 1815 p., illus. Medina, Ohio, The 
A. I. Root Company, 1929. 
Sautet, Jacques. 
La lutte contre le paludisme en Corse: préface du Professeur Brumpt. 
96 p., illus., maps, diagrs. Paris, Masson et Cie, 1928. 
(Bibliographie, p. 92-94.) 
meoobping a. ¢P. |: . 
The forestry guestion in Great Britain. el7 p. London; Uy sia 
192s. 
Uvaroy;, 5: P.. 
Locusts and grasshoppers, a handbook for their study and control. 
592 p., illus., 9 pl. London, Imperial Bureau of Entomology, 1928. 
(Bibliography, p. 331-346.) (Review, by L. 0. Howard, in Science, 
WOOT eENOTE Li Oc Dim ced—rr0. POD. 2c lLuede) 
Vickery, R. K., and Browne, A. C. 
Handbook of pest control, 1929. Various paging. illus. Watsonville, 
Calif., California Spray-Chemical Company, [19297 ] 
Wardle, R. A. 
The problems of applied entomology. 587 p., illus. Manchester, Man- 
chester Univ. Press, 1929. (Manchester Univ. Biol. Series.) (Pare 
III. Bibliography, p. 520-561.) . 
Williams, S. R., and Heffner, R. A. 
The millipedes and centipedes of Ohio. 91-147 p., illus. (Ohio State 
Univ. Bul., v. 53, No. 7, Dec. 15,21928. (Ohio Biol. Survi) Bae 
v. IV, No. 5.) (Bibliography, p. 145-146. ) 
Zaiss, Wilhelm. 
Der Wert des Honigs. ... 23 p. Heiligkreuzsteinach bei Heidel— 
berg, durch den Verfasser, 1928. (On cover: Der Bienenwirtschaft. ) 
