ECONOMIC ZOOLOGY — EKTOMOLOGY. 161 



considerable grain stored on farms, but they have not thus far proven as 

 injurious as some other rodents. In the arid regions of the Southwest they 

 girdle and liill many native shrubs and severely injure cactuses, especially 

 during the long dry season when other food is scarce. ... On the table-land 

 of Mexico wood rats of the albigula group are regularly hunted for their flesh." 



The genus Neotoma is here divided into three subgenera : Neotoma, Homo- 

 dontomys, and Teonoma, under which 70 species and subspecies" are recognized. 

 The subgenus Homodontomys is characterized for the first time. A key to the 

 species and subspecies and maps showing the distribution of the various forms 

 accompany the account. 



Eradicating- plague from San Francisco, F. M, Todd (San Franoisoo, 1909, 

 pj). 313, pi. 1, figs. 26).— Accounts of the methods followed in destroying rats 

 are included in this report. 



Examination of contents of stomachs and crops of some Australian birds, 

 J. B. Cleland {Emu, 9 {1910), No. Jf, pp. 219-226). — Results of an examination 

 of the stomach contents of 57 birds of many species are reported. 



Notes on the food of a king eider, G. C. Embody {Science, n. ser., 31 {1910), 

 No. 799, pp. 630, 631). — The contents of the crop, stomach, and gizzard of a 

 wild duck {Somateria spectabiUs), captured on the Seneca Eiver, New York, on 

 November 26, 1909, are reported upon. 



How to study birds, H. K. Job {New York, 1910, pp. IX +272, pis. 32).— A 

 practical guide for amateur bird lovers and camera hunters. 



The International Ornithological Congress {Field [London], 115 {1910), 

 Nos. 2997, p. 965; 299S. p. 1000).— A brief report of the proceedings of the Fifth 

 International Oi'nithological Congress, which opened at Berlin on May 29, 1910. 



Termite cultivators of fungi and the fungi which they cultivate in Mada- 

 gascar, II. JuMELLE and H. Perkier {Rev. Gen. Bot., 22 {1910), No. 253, pp. 

 30-6Jf, flgs. 9). — A somewhat extended discussion. 



On Haematozoa occurring in wild animals in Africa, G. H. F. Nuttaxl 

 {Parasitology, 3 {1910), No. 1, pp. 108-116, pis. 2). — Piroplasnm rossi and 

 Hccmogrcgarina canis adusti, found in the jackal, and Spirochata bovis caffris, 

 found in the buffalo, are described as new to science. 



Index-catalogue of medical and veterinary zoology, C. W. Stiles and A. 

 Hassall {U. 8. Dept. Agr., Bur. Anim. Indus. Bui. 39, pt. 32, pp. IV+2U3- 

 2508). — This part lists the literature by authors from V to Vyner. 



Bibliography of Canadian zoology for 1908, L. M. Lambe {Proc. and 

 Trans. Roy. Soc. Canada, 3. ser., 3 {1909), Sect. IV, pp. 169-176).— Fitty-toni' 

 titles are listed, exclusive of entomology. 



Bibliography of Canadian entomology for the year 1908, C. J. S. Bethune 

 {Proc. and Trans. Roy. Soc. Canada, 3. ser., 3 {1909), Sect. IV, pp. 135-U6).— 

 Ninety-six titles are listed. 



[Report of scientific work in the field of entomology during 1905], G. 

 Seidlitz et al. {Arch. Naturgesch., 72 {1906), II, No. 2, pts. 1, pp. 1-308; 2, pp. 

 309-652; 3, pp. VI +653-89 4). —This work is devoted to bibliographies and a 

 classification of the literature. The first fascicle relates to general entomology 

 and Coleoptera, the second to Hymenoptera, Rhynchota, and Lepidoptera, and 

 the third to Diptera. Siphonaptera, Mallophaga, Thysanoptera, Corrodentia, 

 Orthoptera, etc., also Myriopoda. Arachuida, Prototracheata, and Crustacea. 



[Report of scientific work in the field of entomology during 1906], G. 

 Seidlitz et al. {Arch. Naturgesch., 73 {1907), II, No. 2, pts. 1, pp. W; 2, pp. 

 280).— Bibliographies are presented and the literature classified. The first 

 fascicle takes up general entomology and Coleoptera, the second Hymenoptera, 

 Rhynchota, and Lepidoptera. 



