Vol. XXl.x] ENTOMOLOGICAL NEWS 317 



HEMIPTERA. Butler, E. A. On the association between the 

 Hemiptera-Heteroptera and vegetation. 8, 1918, 132-6. Davidson, 

 W. M. Alternation of hosts in economic aphids. 179, xi, 289-94. 

 Ferris, G. F. Notes on Coccidae. 4, 1918, 221-5. Gibson, E. H. 

 Notes on the North and Central American species of Acantho- 

 cephala. 4, 1918, 237-41. Gillette, C. P. The black cherry aphis, 

 Myzus cerasi. 4, 1918, 241. Houser, J. S. The Coccidae of Cuba. 

 180, xi, 157-74. Luginbill & Beyer Contribution to the knowl- 

 edge of Toxoptera graminum in the South. 447, xiv, 97-107. Mil- 

 liken, F. B. Nysius ericae, the false chinch bug. 447, xiii, 571-78. 

 Parshley, H. M. Hemipterological notes. 5, 1918, 64-5. Shinji, 

 C. O. A contribution to the physiology of wing development in 

 Aphids. 198, xxxv, 95-116. Weiss & Dickerson The early stages 

 of Empoasca trifasciata. 4, 1918, 201-5. 



Baker, A. C. The dimorphs of species of Chaitophorus [l new]. 

 J61, xxxi, 85-88. DeLong, D. M. Additional records of Tennessee 

 Cicadellidae [6 new]. 143, xviii. 233-42. Drake, C. J. A new corn 

 insect from California (Corythuca essigi). 179, xi, 385. Ferris, 

 G. F. The California species of mealy bugs [many new]. 559, 

 Univ. Ser., 77 pp. Gillette & Bragg Aphis bakeri and some allied 

 species [l new]. 179, xi, 328-33. 



LEPIDOPTERA. Anon. Relaxing L. 9, 1918, 162. Barnes & 

 McDunnough Noctuid notes. 4, 1918, 192-5. Bartsch, R. C. B. 

 The occurrence of Hemileuca lucina in Massachusetts. 540, ii, 47. 

 Beutenmuller, W. On W. H. Edward's types of Catocala. 540, 

 ii, 44. Blackmore, E. H. On the validity of Eupithecia hartequi- 

 naria. 4, 191S, 214-5. Caffrey, D. J. Notes on the poisonous urti- 

 cating spines of Hemileuca oliviae. 179, xi, 363-7. Childs, L. Cod- 

 ling moth activities at time of total eclipse. 179, xi, 387. McAlpine, 

 W. S. A collection of L. from Whitefish Point, Michigan. 507, 

 No. 54, 26 pp. Oberthur, C. Etudes de lepidopterologie comparee. 

 Fasc. xv, 7:;o pp. Ottolengui, R. A few missing types located. 540, 

 ii, 49-51. Poulton, E. B. Mimicry and butterflies. 494, xxi, 372-9. 

 Prout, L. B. New species and forms of Geometridae. 51, xxv, 

 76-89. Turner, W. B. Female L. at light traps. 447, xiv, 135-49. 



Braun, A. F. New species (7) of micro-L. 4, 1918, 229-36. 

 Cassino, S. E. A new form of Catocala sappho; New species [3] 

 of Catocala. 540, ii, 46-7; 52-4. Comstock, J. A. Notes on the 

 pola-minuta group of Melitaeas, with description of a new sp. 540, 

 ii, .">."> (cont.). Hampson, G. F. Descriptions of new genera and 

 sps. of Amatidae, Lithosidae, and Noctuidae. 51, xxv, 93-217. 

 Rothschild, L. Catalogue of Zerynthiinae and allied genera in the 



