BIBLIOGRAPHY OF THE U. S. NATIONAL MUSEUM, 1892. 513 



Robert Ridgway — Continued. 



Concepcion Island, 13 species; IX, Booby Rock, near Green Bay, 1 species; X, at sea, 3 

 species. 



A considerable number of references and critical remarks accompany tbe lists. 

 Robert Ridgway. Description of a new sharp-tailed Sparrow from California. 



Proc. TJ. 8. Nat. Mas., xiv, Xo. 872, October 26, 1891, pp. 483,484. 



Ammodramus caudacutus lucki, p. 483. 

 Robert Ridgway. Notes on the Genus Sittasomus of Swainson. 



Proc. U.S. Nat. Mus., xiv, Xo. 877, November 2, 1891, pp. 507-510. 



A critical review of the birds of this genus, which have been very imperfectly understood. 

 The three recognized species were supplemented by four additional ones, as follows: S. chapa- 

 tlensis, new species (p. 509) from Chapado, Matto Grosso, Brazil; S. amazonus Lafr., restored: 

 S. cequatorialis, new species (p. 509) from western Equador; S. griteus Jard.. restored. 

 Charles V. Riley. (The Gas Treatment Patent.) 



Pacific Rural Press, July 25, 1891, and September 19, 1891. 



History of the invention of the hydrocyanic acid gas treatment for scale-insects; proofs 

 that the discovery was made and perfected by an agent of the U. S. Department of Agricul- 

 ture, under direction of the author, and that the patent granted to Californian parties was 

 wrongfully obtained ; advises orange-growers not to heed it. 

 Charles V. Riley. Report on the Department of Insects in the I". S. National 

 Museum, 1889. 



Report of the National Museum, 1888-89, pp. 377-380. Also,' separate, Washington, Govern- 

 ment Printing Office, 1891. 



Report of the Honorary Curator on the accessions to and the work done in the Department 

 of Insects of the U. S. National Museum during the fiscal year 1888-'89. Also enumerations 

 of works published by various authors during the same time, and based either entirely or par- 

 tially upon the material in the Museum. 

 Charles V. Riley. Death of two noted Entomologists. 



Scientific American, 65, No. 5, August 1, 1891. 



Biographical note on the late Mr. Henry Edwards, his contributions to entomological 

 science and his collection ; explanation of the report of the death (subsequently proven to be 

 erroneous) of the Erench entomologist, Mons. J. Kiinckel d'Herculais. 

 Charles V. Riley. A viviparous Cockroach. 



Insect Life, in, Nos. 11 and 12, August, 1891, pp. 443, 444, Figs. 32 and 33. 



Further remarks on the viviparity of Panchlora viridis and the occasional occurrence of 

 this Central American Blattid in the United States, in addition to article published in Proc. 

 Entom. Soc. Washington, n, No. 1, May, 1881, p. 129. Figures of P. viridis in the young and 

 adult stages. 



Charles V. Riley. The locust or " Grasshopper'.' outlook. 



Scientific American, 65, September 26, 1891, p. 200. 



Summary of investigations carried on by agents of the U. S. Department of Agricul- 

 ture in 1891, to accertain the extent of damage done by various species of locusts in the 

 West, and the condition of the swarms of these locusts in order to be able to make a forecast 

 for 1892. The following species are more particularly treated : Dissosteiralongipinnis from 

 eastern and southeastern Colorado: Caloptenus spretus from North Dakota and Minnesota; 

 G. differentialis from southwestern Kausas. Conclusions drawn from these investigations. 

 Charles V. Riley. Mexican Jumping Beans and the plants upon which they are 

 produced. 



Amer. Garden, 12, September, 1891, pp. 552-554. Two text figures. 



The Mexican Exphorbiaceous plants known to produce the "Jumping Beans" and previ- 

 ously referred to the genus Colliguaja prove to belong to the genus Sebastian ia : diagnosis of 

 the latter genus and synoptic table of three species (S. bilocularis Watson, palmeri Rose, n. 

 sp., and pringlei Rose, n. sp.) prepared by Mr. J. X. Rose: Figures of Carpocapsa saltitans 

 and of twig of Sebastiania palmeri with seed and other. details. 

 Charles V. Riley. How to get rid of English Sparrows. 



Scientific American, 65, October 3, 1891, p. 213. 



In reply to a query of a correspondent: The sparrows infesting a foundry can best be gotten 

 rid of by poisoning with arsenic. Directions how to prepare and apply the poison. 

 Charles V. Riley. Micro-organisms as Insecticides. 



Scientific American Supplement, October 31, 1891, p. 13206. 



Abstract of a paper read before Section F of the American Association for the Advance- 

 ment of Science, August 22, 1891. The author gives a review of previous experiments in 



H. Mis. 114, pt. 2 S3 



