\'ol. Xxix] EiNTOMOLOCICAL XEWS. 397 



genera, species and synonj-my [12 n. g., 8 n. sps.]. 420, vi, 151-56 

 (cont.). 



COLEOPTERA. Becker, G. G.— Cannibalism in Euetheola rugi- 

 ceps. 179, xi, 431. Champion, G. C. — Xotes on various species of 

 the American genus Astylus. with descriptions of their sexual char- 

 acters. 11, ii, o37-67. McGregor, E. A. — A new plant host of the 

 boll weevil. 102, xx, 78-9. Morris, F. J. A. — A comedy of errors. 

 75, 1918, 68-75. Morse, F. — Fireflies flashing in unison. 68, xlviii, 

 418-19. Myers, L. — C. from the Claremont Laguna region. 189, 

 X, 43-53. Pierce, W. D. — Case of the genera Rhina and Magdalis. 

 102, XX. T2-S. Ritchie, W. — The structure, bionomics, and forest 

 importance of Alyelophilus minor. 150, Hi, 213-34. 



Blaisdell, F. E. — Synopsis of the genus Tegrodera [1 new]. 4, 

 1918. 333-5. Fisher, W. S.— A new sp. of Agrilus from Florida. 102, 

 XX. 67-8. 



HYMENOPTERA. Cockerell, T. D. A.— New halictine bees 

 from Chile. A group of American halictine bees simulating the old 

 world genus Xomioides. 4, 1918, 343-5; 348-9. Cushman, R. A.— 

 Correct names for some of our common ichneumonid parasites. 

 102, XX, 9-12. Gatenby, J. B. — Polyembryony in parasitic H. 177, 

 Ixiii, 175-96. Kutter, H. — Beitrage zur ameisenbiologie. 81, xxxviii, 

 110-16. Nelson, J. A. — An eyeless drone honeybee. 102, xx, 105-8. 

 Wasmann-, E. — Bemerkungen zur neuen auflage von K. Escherich 

 "Die Ameise." 81, xxxviii, 116-29. 



Gahan, A. B. — Description of a new hymenopterous parasite 

 (Braconidae). Three new chalcidoid egg-parasites. On Propachj-- 

 neuron (Chalcidoidea). 102, xx. 18-19: 23-6; 66. Rohwer, S. A.— 

 Note on Chalcis abiesae. Xew sawflies of the subfamily Diprio- 

 ninae. 102, xx, 18; 79-90. 



A Revision of the Vespidae of the Belgian Congo Based on the 

 Collection of the American Museum Congo Expedition, with a List of 

 Ethiopian Diplopterous Wasps. By J. Bequaert. Bulletin of the 

 American Museum of Natural History, XXXIX, article i, pages 1-384, 

 plates I-VI. 267 text-figures. New York, Aug. 2, 1918. 



In common with other taxonomists to whom the description of new 

 species is a necessary and time-consuming, yet not at all pleasurable, 

 feature of their work, the reviewer always feels a distinct satisfaction 

 in handling a comprehensive, well-balanced and adequately illustrated 

 systematic treatise. This satisfaction is further increased if the work 

 goes beyond systematics alone and adds valuable data on the habits 

 and distribution of the species studied. The publication here noticed 

 is distinctly in this category, being in addition clearly presented and 



