- 10 = 
Stichel, Wolfgang. 
Tllustrierte weet iunpetic aielteeebeu: der deutschen wanzen (Genie tee 
| Heteroptera) lfg. 1-3. Berlin, Niederschonhausen, 1925. 
Thomson, J. A. . . 
The new natural history. N.Y. and Lond., G. P. Putnam's sons, 1926. 
vol. 1. pp. 326-336, Spiders; their work and ways; pp. 337-356, 
Social life of insects; pp. 357+360, The work of ear thNOr ia 
Walker, E. Me 
The North American dragonflies of the genus Somatochlora. <02 pp. ~ 
(University of Toronto Biological phe No. 26), 
Williamson, EH. B. and Williamson, J. H. 
The genus Perilestes (Odonata). 36 pp., Plate. (Univ. of Mich, 
Maseum of Zool. Misc. Pub. 14). - 5 
Wu, C. F. 


Morphology, anatomy and etiology of Nemoura. Cincinnati, Ohio, 1923 
48 pp. 16 pl. (Lloyd Livrary Bullio23erEnts Seren Sx) 
Yokoyama, Kirio. 
Studies on the @lyphodes Pefliciskias Walzer of Japan. Contribution l. 
Bionomics and external anatomies. Tokyo, Nov. 1925. pp. 47-101, pl. 
. XII-XIV. (Bull. Imp. Sericultural Expt. Station vol. 2, No.2.) 
Zacher, Friedrich, 
Zuchtung von orthopteren. Berlin and wien, Urban and Schwarzenberg, 
1925? pp. 89-190, illus. (Sonderabdruck aus dem Handbuch der 
biologischen arbeitsmethoden, hrsg. von.dr. Emil Abderhalden. ) 
Note.— Books often referred to in the correspondence of the Bureau 
of Entomology (with prices and ptiblishers! addresses), an ll-page mimeograph 
list of current American works on entomology, has just been issued. Copies 
may be obtained from the Editorial Division of the Bureau upon request. 
