30 ENTOMOLOGICAL NEWS [Jan., '19 



Walker, E. M. On the American representatives of Somato- 

 chlora arctica with descriptions of two n. sps. 4, 1918, 365-75. 



ORTHOPTERA. Caudell, A. N. Zorotypus hubbardi, a n. sp. 

 of the order Zoraptera from II. S. 4, 1918, 375-81. Two n. sps. of 

 the blattid genus Arenivaga. 10, xx, 154-7.- 



HEMIPTERA. Riley, C. F. C. Food of aquatic Hemiptera. 

 68, xlviii, 545-7. Jones & Gillette Life history of Pemphigus pop- 

 uli-transversus. 59, xiv, 577-94. McAtee, W. L. Genera of the 

 Eupterygidae (Jassoidea). 54, xxxi, 109-24. 



McAtee, W. L. Notes on Nova Scotian Eupteryid leaf-hoppers, 

 including descriptions of two n. sps. 4, 1918, 360-1. 



LEPIDOPTERA. Acker, C. T. The study of moths and but- 

 terflies as a recreation. 53, xiv, 337-43. Ainslie, C. N. A note <>n 

 the economic importance of Samia cecropia. 10, xx, 150-2. Barnes 

 & McDunnough Illustrations of the N. Am. sps. of the genus 

 Catocala. (Mem. Am. Mus. N. H., n. s., iii, pt. 1, 47 pp.) Dognin, 

 P. Heteroceres nouveaux de 1'Amerique du Sud. Fasc. xiv, 27 pp. 

 Ehrmann, G. A. New exotic [neotropical] papilios. 17, ii, 82-4. 

 Riser, O. F. & J. S. Life history of Catocala nuptialis. 16, ii, 66-9. 

 Prout, L. B. New L. in the Joicey collection [S. Am]. 11, ii, 412- 

 18. Rowley, R. R. A long-fasting lepidopter. 4, 1918, 363-4. 



DIPTERA. Greene, C. T. Note on the habits of Pegomyia 

 affinis and other anthomyid genera. 10, xx, 160. Lindner, H. 

 Ueber die mundwerkzeuge einiger dipteren und ihre beziehungen 

 zur ernahrungsweise. 52, 1, 19-27. 



Alexander, C. P. New [5] nearctic crane flies. 4, 1918. 381-6. 



COLEOPTERA. Hudson, C. H. Concerted flashing of fireflies. 

 68, xlviii, 573-5. 



Chapin, E. A. A new Hydnocera (Cleridae). 54, xxxi. 107-8. 

 Swaine, J. M. Canadian bark-beetles. Part 2. [8 new]. (Canada, 

 Dept. Agr., Ent. Branch. Bui. 14.). Woods, W. C. The biology of 

 Maine species of Altica \?> new]. 60, Bui. 273. 



HYMENOPTERA. Cockerell, T. D. A. Descriptions and rec- 

 ords of bees [Neotropical]. 11, ii. 418-25. Cushman, R. A. Notes 

 on the cocoon spinning habits of two sps. of Braconids. 10, xx. 

 133-6. Henning, H. Zur ameisenpsychologie. Fin kritische erort- 

 erung uber die grundlaTen der tierpsychologie. 57, xxxviii. 208-20. 

 Rohwer, S. A. North American snecies of the sawfly genus Lau- 

 rentia. 10, xx, 157-9. Sladen, F. W. L. The genus Vespa in Can- 

 ada. 18, xxxii, 71-72. White, G. F. Note on the muscular coat of 

 the ventriculus of the honey bee. 10, xx, 152-4. 



Gahan, A. B. A synopsis of the species belonging to the chal- 

 cidoid genus Rileya [4 new]. 10, xx, 136-50. 



The NEWS for December, 1918, was mailed at the Philadelphia 

 Post Office on December 14, 1918. 



