HYMENOPTERA. 181 



eyes, the clypeus, labrum, a spot on the scape in front, and a 

 minute spot above their insertion, yellowish-white ; a narrow 

 line of the same colour behind the eyes, not reaching their ver- 

 tex. Thorax : the posterior margin of the prothorax, the scu- 

 tellum, the posterior angles of the metathorax, the tubercles, the 

 anterior and intermediate coxae in front, a spot on each side of 

 the pectus, a line at the sides of the posterior coxae externally, and 

 their apex beneath, yellowish-white ; the tibiae and tarsi ferru- 

 ginous ; the tibiae dark fuscous above ; a yellow spot at the apex 

 of the anterior and intermediate pair beneath ; wings hyaline. 

 Abdomen : a slightly interrupted waved fascia crossing the basal 

 segment in the middle, and an entire one on the apical margins 

 of the following segments, yellow ; the apical one entirely so. 



Hab. United States. (Coll. W. W. Saunders, Esq.) 



This insect bears a very close resemblance to the C. maculata 

 of Europe. 



Genus 11. MACROMERIS. 



Macromeris, St. Farg. Guerin's Mag. Zool. pi. 29 (1831). 

 St. Farg. Hym. hi. 463 (1845). 



1. MACROMERIS SPLENDIDA. B.M. 



Macromeris splendida, St. Farg. Gueriri's Mag. Zool. (1831) 

 pi. 29. f. 1 ; Hym. iii. 463. 1. t. 32. f. o $ . 



Hab. Java; India; China. 



2. MACROMERIS VIOLACEA. B.M. 



Macromeris violacea, St. Farg. Guerin's Mag. Zool. pi. 30. f. 1 <? ; 

 Hym. iii. 464. 2. 



Hab. New Guinea; Assam. 



Genus 12. MYGNIMIA. 



Priocnemis, pt., Dahlb. Hym. Europ. i. (1843). 

 Hemipepsis, pt., Dahlb. Hym. Europ. i. (1843). 

 Pompilus, pt., St. Farg. Hym. iii. 430 (1845). 

 Pallosoma, St. Farg. Hym. iii. 492 (1845). 



The genus Mygnimia is proposed for that group of Pompilidte 

 which have the neuration of the anterior wings as given below ; 

 the characters of the various genera of the authors quoted, when 

 applied to large groups of Pompili from various countries, will 

 be found to merge into each other by almost imperceptible de- 



