1D 
Die Rohstoffe des Tierreichs, hrsg. von Ferdinand Pax und Walther Arndt. 
3 Lief. 160 p., illus. Berlin, Borntraeger, 1929. Contents: A. 
Arthropoden-fette,—Ole und—Wachse und Schellack. Von Hans Heideke, 
p. 4-46. (Literatur, p. 45-46.) 
Scholz, Richard. . 
Haliplidae (Col.}) 19 p. Troppau, Edm. Reitter, 1929. (Bestimmungs— 
tabellen der europaischen Coleopteren Hft. 97.) 
Severin, oH. HH. FP. 
Life History of the beet leafhopper Eutettix tenellus (Baker) in 
California. California Univ. Pubs. in Entomology, v. 5, No. 4, p. 
37-88, illus., pl. 1-4, 1930. 
Soudek, Stépan. 
Prakticka entomologie ve apojenych statech severoamerickych 
142 p., illus. Praze, Nakladem Ceskoslovenské Akademie Zemeledske, 
1920. At head of title: Casove otazky zemedelské Vydava Ceskoslo— 
venska Akademie Zemedelska 1930: 17. 
Uvarov, B. oP: 
Insect nutrition and metabolism. A summary of the literature. 
Original abstracts .. . Used in the preparation of his paper with 
the above title, published in the Transactions of the Entomological 
Society of London, December, 1926, p. 255-43. 
Williams, R. 0. 
Grapefruit. Report on visit to the citrus districts cf Florida and 
FOUCO LOO s fet U9°p.,y 2LLUS?) (platess. [nip aoa. oe 
zZerny, H. 
Ergebnisse einer zoologischen Sammelreise nach Brasilien, insbeson— 
dere das Amazonsgebiet. Annalen des Naturhistorischen Museums in 
Wien, Bd. 43, p. 243-268, 1929. Contents: I. Tabanidae. Von 0. 
Krober, p. 244-268, illus. II. Diptera: Stratiomyidae und Rhagio-— 
nidae. Von E. Lindner, p. 257-268, illus. 
