TITLES. 
Ins. 55 
988. [Oberthur, C. Description d’une nouvelle espkce de Sphingides. 
Bull. Soc. ent. France 1904, pp. 13, 14. {Lepidoptera.] 
989. . Descriptions de nouveaux Sphingides. T. c. pp. 76-78. 
{Lepidoptera.] 
990. Ohaus, F. Revision der Anoplognathiden {Coleoptera Lamellicornia). 
Stettin. Ent. Zeit. lxv, pp. 57-175, pis. i, ii. 
991. . Revision der Amerikanischen Anoplognathiden. Part I. T. c. 
pp. 254-341, pi. iii. [ Coleoptera .] 
992. . Zur Biologie des Geotrupes vernalis L. Verh. Yer. Hamburg 
Unterh. xii, pp. 103-108. [ Coleoptera .] 
993. Oldenberg, L. Die Gattung Saucropus Lw. (Dipt.). Zeitschr. 
Hym. Dipt, iv, pp. 65-81, pi. 1. 
994. Olivier, E. Faune do l’Allier. Ordre des Rimpitlres. Rev. Sci. 
Bourbonnais xvii,'pp. 89-96 etc. 
995. . Faune de 1’Allier. Les Pulicides. T. c. pp. 48-55. {Aphani- 
ptera.] 
996. Orbigny, H. d\ Onthophagides africains de la collection du Musee 
civique de G6nes. Ann. Mus. Genova xli, pp. 253-331. [ Coleoptera .] 
997. . Onthophagides provenant du voyage de M. L. Fea dans 
l’Afrique occidentale. T. c. pp. 416-448. [ Coleoptera .] 
998. . Esp&ces nouvelles d’ Onthophagus africains de la collection du 
Musee royal de Belgique. Ann. Soc. ent. Belgique xlviii, pp. 204-222. 
{Coleoptera.'] 
. [See also Felsche & d’Orbigny (494).] 
999. Ormerod, E. (the late). Eleanor Ormerod, LL.D., economic Ento- 
mologist, autobiography and correspondence. Edited by Robert 
Wallace. London, 1904, 348 pp. [Cf. Wallace (1468a).] 
1000. Osborn, H. Note on morphology of certain clasping organs in the 
Pediculidce. Ohio Natural, iv, pp. 107, 108. 
1001. . Notes on S. American Ilemiptera-Heteroptera. Op. cit. v, 
pp. 195-204. 
1002. . A suggestion in nomenclature. Bull. U. S. Dep. Agric. Ent. 
xlvi, pp. 56-60. 
1003. Ohburn, R. C. The Diptera of British Columbia. Second part. 
The Si/rphidce. Canad Ent. xxxvi, pp. 213-220, 257-282. 
For part 1, see Hine (688). 
1004. Osten Sacken, C. R. Record of my life work in Entomology. 
Part third. List of my entomological publications from 1854 to 1904, 
pp. 205-240, addenda and portrait. Heidelberg, 1904. 
1005. Packard, A. S. Opisthenogenesis, or the development of segments, 
median tubercles and markings a tergo. P. Amer. Phil. Soc. xliii, 
pp. 289-294. 
1006. . The origin of the markings of organisms (Pcecilogenesis) due 
to the physical rather than to the biological environment; with 
criticisms of the Bates-Muller hypotheses. T. c. pp. 393-450. 
1007. -. Studies on the transformation of Saturnian moths, with 
notes on the life-history and affinities of Brahmeea japonica. P. Amer. 
Ac. xxxix, No. 22, pp. 545-578. [ Lepidoptera .] 
