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 U. 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- 

 uH-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 on 

 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 I'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 [3 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. Ein kritische erort- 

 erung uber die grundlan^en 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. 



