646 EXPERIMENT HTATION RECORD. 



the means for the exteriuiuatiou of rats. An appendix is devoted to the rat 

 laws of Barbados, Antigua, Hongkong, and Denmark, and to a draft of the pro- 

 posed English rat law. A bibliography is appended. 



Distribution of the rat plague in Mexico, C. Macias (Bol. Com. Par. Agr., 

 Jf (1908), No. 3, pp. 218-363). — In response to circulars sent out information was 

 obtained which is here presented by States. A list is given of the small rodents, 

 the identifications of which were made by E. W. Nelson. It is estimated that 

 these i)ests cAuse an annual loss in Mexico of about $5,000,000. 



The economic value of some common birds, N. Griddle (Nor'-West Fanner, 

 28 (1909), No. 13, pp. 748, 150, 751, flgs. ^).— An account of some of the more 

 important birds of the Northwest, including the black-billed cuckoo, northern 

 hairy woodpecker, yellow-bellied sapsucker, northern flicker, whippoorwill, night- 

 hawk, kingbird, horned larks, and blue jay. 



Birds of the Boston public garden, H. W. Wright (Boston and New York, 

 1909, pp. XX +238, ijls. 8). — A record of the occurrence of birds, based on ob- 

 servations extending over a period of 9 seasons. 



The birds of Washington, W. L,. Dawson and J. H. Bowles (Seattle, 1909, 

 vols. 1, pp. XV+l-',58, pis. U, figs. 168; 2, pp. 111+1,59-996, pis. 16, figs. 193).— 

 A scientific and popular account of the 372 species of birds found in the State 

 of Washington. Analytical keys to the orders, families, and species prepared 

 by L. Jones and a British Columbia supplement with annotations by A. Brooks 

 are appended to the work. 



Index to the Bulletin of the Cooper Ornithological Club and the Condor, 

 1899-1908, H. B. Kaeding (Los Angeles, Gal., 1909, pp. 48). — This is an index 

 to the first 10 volumes published by the Cooper Ornithological Club, of which 

 the first volume bears the title Bulletin of the Cooper Ornithological Club, the 

 remainder being known as The Condor. 



Pearls and parasites, A. E. Shipley (London, 1908, pp. XV +232, pis. 8).— 

 This is a collection of essays, most of which have been issued separately. The 

 papers presented discuss pearls and parasites; zebras, horses, and hybrids, in 

 which are considered telegony, heredity, etc.; Pasteur, including a history of 

 his investigations on fermentation, silkworm disease, anthrax, and rabies; 

 malaria, including an account of mosquitoes and their role in disease trans- 

 mission ; flies and ticks, and the diseases which they carry, etc. 



Beneficial parasites, L. J. Newman (Jour. Dept. Agr. West. Aiist., 18 (1909), 

 No. 5, pp. 377-383). — An account of the parasites of importance in the control of 

 insect pests in Western Australia, California, and Hawaii. 



Long-lived parasites, L. J. Newman (Jour. Dcpt. Agr. West. Aust., 18 (1909), 

 No. J/, p. 297). — Codling moth cocoons parasitized by Caliephialtes niesser were 

 sent from Spain to California and kept in cold storage for 14 months. Three 

 weeks after removal from cold storage the parasites commenced to emerge. 



Keport on economic entomology [in the Sudan], H. H. King (Rpt. Well- 

 come Research Labs. Gordon Mem. Col. Khartoum. 3 (1908), pp. 201-248, pis. 

 10, figs. 4). — Under animals injurious to man and animals the author considers 

 the mosquitoes, simulids, tabanids, and tsetse flies; the insects causing myiasis, 

 including the tumbufly (Cordylohia anthropophaga), and the Congo floor mag- 

 got (Anehmeroniyia luteola ) ; the insects injurious by means other than by blood 

 sucking, including filth-feeding flies. and blister beetles, and the Acarina, includ- 

 ing the fowl tick (Argas persietis), the human tick (Ornithodoros savignyi), 

 and scaly leg, due to Sarcoptes mutans. 



Under animals injurious to farm and garden crops the author discusses the 

 dura stem borer (Sesamia cretica), which is said to be one of the worst pests 

 from which dura and maize suffer; the White Nile army worm (Remegia fruga- 

 lis), the cockchafer (Rhinhyptia, sp.), the dura plant bug (Lygceus militaris). 



