NO. 1198. DIPTERA FROM PUERTO EICO—COQUILLETT. 269 



CERATOMYZA DORSALIS Loew. 



Two specimens, collected at Arroyo and Yieques Island in February. 

 This species was originally reported from the District of Columbia, 

 but occurs over the greater portion of this country, extending as far 

 westward as Colorado. 



LEUCOPIS BELLA Loew. 



Three specimens, bred February 2, from larvse preying upon Dactyl- 

 opius eitri on Culebra Island. Originally described from Cuba, but 

 having a wide distribution, extending from IsTova Scotia to California 

 and Mexico. 



Family BORBORID^. 



LIMOSINA FONTINALIS Fallen. 



Mneteen specimens, from Bayamon, Utuado, and Mayaguez in Jan- 

 uary, and Arroyo and Fajardo in February. A European species, which 

 also occurs in the District of Columbia and has been reported from 

 Florida by Mr. C. W. Johnson. 



LIMOSINA VENALICIUS Osten Sacken. 



Two specimens, collected at Utuado in January. This species was 

 originally described from Cuba, but also occurs at Biscayne Bay, Flor- 

 ida, and has been reported from St. Vincent, West Indies, Brazil, and 

 Africa. Osten Sacken referred it to the genus Borhoriis, in which 

 genus it is retained by Williston, but it is a typical Limosina, as is also 

 the Borhorus illotus of Williston. 



LIMOSINA LUGUBRIS Williston. 



Two specimens, taken at Aguadilla and Utuado in January. This 

 species was originally reported from St. Vincent, West Indies. 



LIMOSINA PERPARVA Williston. 



Three specimens, collected at Mayaguez and Utuado in January and 

 Culebra Island in February. This species was also originally reported 

 from St. Vincent. 



Family HIPPOBOSCID^E. 



ORNITHOMYIA ERYTHROCEPHALA Leach. 



Eight specimens, captured on a sparrow hawk at Adjunctos in Jan- 

 uary ; also a single specimen, collected at Culebra Island in February. 

 This species was originally described from Brazil, but occurs over a 

 large portion of the Western Continent, having been reported by Osten 

 Sacken as occurring as far northward as Quebec, Canada. 



