THE CANADIAN ENTOMOLOGIST 345 



appressed black hairs, except that laterally on the first three seg- 

 ments the hairs are white, forming broad, continuous grayish 

 stripes of equal width with the median interspace. The fourth 

 segment has traces of these stripes in narrow lateral and posterior 

 fringes. Venter and legs very dark brown. Wings dark fuli- 

 ginous, first posterior cell slightly coarctate. 



One specimen received with other Florida Tabani from Rev. 

 Geo. D. Hulst. 



Chrysops ultimus, n. sp. 



Female — Length 63^ mm. Face yellow, callosities and palpi 

 black. Antennas slender, reddish at base, becoming black apically. 

 Front yellowish pollinose, callosity and ocellar region black. 

 Thorax black, with two greenish median stripes, a bright yellow 

 one just above the wings and two below. Scutellum, abdomen 

 and venter black; an obsolete median dorsal stripe. Legs yellow; 

 joints, distal half of tibiae and tarsi infuscated. Wings: root, 

 costal cell, cross-band and apical spot black. First basal cell 

 completely infuscated, second hyaline. The cross-band is convex 

 outwardly, almost reaching the divarication of the third vein and 

 fills the fourth posterior cell. The fifth is semi-infuscate. The 

 apical spot fills the second sub-marginal cell, except a dot at base, 

 and crosses the first posterior. The hyaline triangle is very nar- 

 row, but crosses brokenly the marginal cell to the costa. 



Taken at West Palm Beach, Florida, April 18th. 



Chrysops cursim. 



This species was described in the "Can. Ent." for 1879, Vol. 

 II, Page 36. 



In "Kansas Acad, of Science," Vol. X (1885-6) Prof. Williston, 

 never having seen the species, remarks, "I do not see wherein 

 this species differs from C. pudicus O. S." Presumably upon that 

 authority cursim is placed in the "Tabanidae of the World" as a 

 synonym of pudicus. 



Although no topotypes of cursim have been taken, the species 

 has been found in several localities in New Jersey and Penn., and 

 recognized, notably by Mr. Erich Daecke, who states he has never 

 found intergrades of the two species. A specimen now in the 

 collection of the Boston Soc. of Nat. Hist, was captured by Prof. 

 A. P. Morse at West Peabody, Mass., July 13, 1911. 



