24 IIYMKNOI'TERA. 



hesocnt. ])nrtinilnrly tlic niotiitliorax ; the anterior tibijc in front, 

 tlie lutenncdiiiti' mid posterior pairs at their base, as well as 

 tiu" ha.sul joints of the tarsi of the latter, yellow ; apical joints 

 of the tarsi ferruirinous. Ahdomen as in the other sex. 

 Hab. Hudson's Bay. (G. Barnstou, Esq.) 



23. Pkosoi'is afkinis, n. s. B.M. 



Female. Length 2 lines. — Black, head and thorax closely 

 and stronjrly ])nn(tured ; the (•lyj)eus has some irregular longi- 

 tudinal di'prcssions ; the face has on each side of the clypeus a 

 triangidar yellow spot touching the eyes, the angle of which is 

 at the exact line of the base of the cly])eus ; the apical joints of 

 the antinua- beneath fulvous. Thorax, the collar, tubercles, 

 tegulic in front, and all the tibiae at their base bright yellow. 

 Abdomen ovate, smooth and shining, the sides having a little 

 silvery pile observable in certain lights. 



Male. — The face below the insertion of the antennae yellow ; 

 the tubercles, tibia; at their base and the tarsi yellow • apical 

 joints of the intermediate and posterior pairs ferruginous. Ab- 

 domen as in the other sex. 



Hab. North America. (E. Doubleday, Esq.) 



24. Prosopis confluens, n. s. B.M. 



Female. Length 3 lines. — Black, the face on each side of 

 the clypeus yellow, terminating obliquely upwards. Thorax co- 

 vered entirely with deej) punctures, which are confluent; the 

 enclosed sjjace below the i)ost-scutellum rugose ; the collar, 

 interrupted in the middle, the tubercles in front, and all the 

 tibia; at their base, yellow; apical joints of the tarsi rufo- 

 piceous ; the base of the wings hyahne, including the th-st dis- 

 coidal cell, beyond which they are fuscous. Abdomen oblong- 

 ovate, vei-y smooth and shining, covered, except the basal seg- 

 ment, with a short white pile. 



Hab. St. John's Bluff, East Florida. (E. Doubleday, Esq.) 



25. Prosopis elliptica. B.M. 

 Prosopis elliptica, Kirby, Faun. Boreal. Amer. p. 266. 



Hab. Hudson's Bay. (G. Barnston, Esq.) 



26. Prosopis variolosa, n. s. B.M. 



Female. Length 3 lines.— Black, the face yellow on each side 

 of the cly])eus, the coloured portion continuing along the mar- 

 gin of the eyes, but not reaching their vertex ; down the centre 

 of the clypeus a broad yellow Ime ; the labrum and mandibles 

 femiginous ; the cheeks behind the eyes flat. The thorax covered 



