TITLES. 
Ins. 49 
878. Mayr, G. Hymenoptej'ologische Miscellen. Verh. Ges. Wien lii, 
pp. 287-303. 
Ueber nordaraerikanische Cynipiden. Eineneue Encyrtinen- Art. West- 
afrikanische Formiciden. 
879. McClendon, J. F. The life history of Ulula hyalina Latreille. 
Amer. Natural, xxxvi, pp. 421-429. [Neuroptera.\ 
880. McClung, C. E. The accessory chromosome. Sex determinant ? 
Biol. Bull, iii, pp. 43-84. 
881. -. The spermatocyte divisions of the Locustidce. Kansas Univ. 
Bull, i, pp. 185-231, pis. vii-x. 
Summary, J. R. Micr. Soc. 1903, p. 37. 
882. McLachlan, R. A second African species of PsychopsisP. mcirshalli 
McLach. Ent. Mag. xxxviii, p. 234. \Neuroptera.\ 
883. Meehan, —. Flowering of Lobelia... [reprinted]. Ann. Nat. Hist, 
ix, pp. 465, 466. 
884. Megusar, F. Yorlaufige Mittheilungen liber die Resultate der 
Untersuchungen am weiblichen Geschlechtsorgane des Hydrophilus 
piceus. Zool. Anz. xxv, pp. 607-610. 
Summary, J. R. Micr. Soc. 1902, p. 643. 
885. Melander, A. L. A monograph of the North American Empididce. 
Part i. Tr. Amer. ent. Soc. xxxv, pp. 195-367, pis. v-ix. [Dipterai] 
886 . -. Two new Embiidce. Biol. Bull, iii, pp. 16-26. 
887. -. A new silphid beetle from a simple insect-trap. Psyche ix, 
pp. 328, 329. [ Coleoptera. ] 
888 . -. The nesting habits of Anthidium. Biol. Bull, iii, pp. 27-32. 
[ Hymenop ter a. ] 
889. -. Notes on the Acroceridce. Ent. News Philad. xiii, pp. 178-182. 
[Dipterai] 
890. - & Brues, C. T. New species of Gasteruption , Trigonalys , 
Pamopes , and Psammophila. Biol. Bull, iii, pp. 33-42. [Hymeno- 
ptera.] 
891. Meldola, R. Mimetic insects. P. R. Inst. Brit, xvi, pp. 693-698. 
892. Melichar, L. Monographic der Acanaloniiden und Flatiden. 
[Completed.] Ann. Hofnius. Wien xvii, pp. 1-253, 9 pis. 
893. -. Einige neue Homopteren. Wien. ent. Zeit. xxi, pp. 75-80. 
894. -. Homopteren aus West-China, Persien und dem Sud-Ussuri 
Gebiete. Annuaire Mus. St. Petersb. vii, pp. 76-146, pi. v. 
-. [See also Kuhlgatz & Melichar (742).] 
895. Mendes d’Azevedo, C. Lepidopteros de Portugal, i. Lepidopteros 
da regiao de S. Fiel (Beira Baixa). Broteria i, pp. 151-171. 
896. Menegaux, A. La Galeruque de l’orme. C.R. Ass. Franc. 1901 
(2), pp. 550-553. [ Coleoptera. ] 
897. Mengel, L. W. Four new species of butterflies from S. America. 
Ent. News Philad. xiii, pp. 176-178, pi. viii. \Lepidoptera.\ 
898. Meunier, F. Etudes de quelques Dipteres de l’ambre. Ann. Sci. 
nat. xvi, pp. 395-406. 
1902. [Vol. xxxix.] e 4 
