200 



REPORT OF NATIONAL MUSEUM, 1020. 



COCKERELL, T. D. A. The black 



Halictine bees of the Philippine 



Islands. 



Philippine .fount. Sci., 

 vol. 15, no. 3, Sept., 

 1010, pp. 260-281. 



■ A parasite of Derinestid 



beetles in entomological collections. 



Can. Ent., vol. 52. no. 2, 

 Feb., 1020, p. 34. 



■ A new leaf-cutting bee from 



i lie Hawaiian Islands. 



Can. Ent., vol. 52, n<>. 5, 

 May 25, 1020, pp. 119, 

 120. 



Eocene insects from the Rocky 



Mountains. 



Proe. U. S. Nat. Mus., 

 veil. 57, no. 2313, June 

 15, 1920, pp. 233-260, 

 pis. 32-36. 



COKER, Robert E. Habits and eco- 

 nomic relations of the guano birds of 

 Peru. 



Proe. V. S. Nat. Mus., 

 vol. 56, no. 2208, Sept. 

 11, 1010, pp. 449-511, 



pis. 53-60. 



CODE, Fiiamv It. A new genus in the 

 Dipterous family Oyrtidae from 

 South America. 



Ent. News, vol. 30, no. 

 10, Dee., 1010, pp. 

 271-274, pi. 11. 



CORY, Chart.es B. A review of Reich- 

 enbach's genera Siptornis and Cra- 

 nioleuca, with descriptions of new 

 allied genera and a subgenus. 



Proe. Biol. Soc. Washing- 

 ton, vol. 32, Sep). 30, 

 1010, pp. 140-150. 



Descriptions of three new 



South American birds. 



Auk, vol. 36, no. 4, Oct., 

 1910, pp. 540, 541. 



The relationships and geo- 

 graphical distribution of the species 

 and races belonging to the genus 

 Rbynchocyclus. 



Proe. Biol. Hoc. Washing- 

 ton, vol. 32, Dee. 31, 

 1010, pp. 217-22:;. 



Descriptions of a new species 



ami subspecies of Tyrannidae. 



Auk, vol. 37, no. i. Jan., 

 1020, pp. 108, 109. 



COVILLE, Frederick V. The threat- 

 ened extinction of the box huckle- 

 berry, Gaylussacia brachycera. 



Science, n. s., vol. 50, no. 



1280, July 14, 101!'. 

 ,pp, 30-34. 



CRAIGHEAD, F. C. Biology of some 

 Coleoptera of the families Colydiidae 

 and Bothrideridae. 



Proe. Ent. Soc. Washing- 

 ton, vol. 22, no. 1. Jan. 

 23, 1020, pp. 1-13, pis, 



1, 2, 1 text fig. 



CUSHMAN, Joskpti Arcr stink. A 

 new foraminifer commensal on Cy- 

 clammina. 



Proe. V. 8. Nat. Mus., 

 vol. 56, no. 2200, July 

 31, 1010, pp. 101, 102, 

 pi. 25. 



■ Observation on living speci- 

 mens of Iridia diaphana, a species of 

 - foraminifera. 



Proe. U. S. Nat. Mus., 

 vol. 57, no. 2308, .Tune 

 16, 1020, pp. 153-158, 

 pis'. 10-21. 



CUSHMAN, R. A. Notes on certain 

 genera of Ichneumon-flies, with de- 

 scriptions of a new genus and four 



new species. 



Proe. V. 8. Nat. Mus., 

 vol. 56, no. 2206, Aug. 

 27, 1010, pp. 373-382. 



— — — • Viereck's family Labenidae 

 with the description of a new species 

 of Apechoneura (Hym.. Iehneumoni- 

 dae). 



Proe. Ent. Soc. Washing- 

 ton, vol. 22, no. 4, Apr. 

 10, 1020, pp. 76-80, 1 

 text fig. 



■ and S. A. ROHWER. Hola re- 



tic tribes of the Ichneumon-flies of 



the subfamily Icliueunioninae (Pim- 

 plinae). 



Proe. V. 8. Nat. Mm., 

 vol. 57, no. 2315. .Tune 

 18, 1020, pp. 379-396. 



and S. A. ROHWER. The 



North American Ichneumon-flies of 

 the tribe Accenitini. 



Pine. V. S. Nat. Mus., 



vol. 57. no. 2:(20. .lime 



21. 1920, pp. 503-523. 



