CHBYSLS. 463 



obscure violaceis ; segmenti ultimi serie ante-apicali a carina in dentem apicalem medium terminata divisa, 

 margine apicali polito : subtus viridi-auratus ; antennis, scapo et flagelli basi exceptis, fuscis. — Longit. 

 mill. 8." 

 '' Specie intermedia tra la lunigera e la parvula : riunendo le macchie dorsali del secondo e terzo anello addo- 

 minale della prima specie, con i margini basilari degli stessi anelli strangolati e coloriti come nella 

 seconda." 



Hab. Mexico 1 . 



iv. Apical margin of the third abdominal segment with four teeth. 

 * The third abdominal segment without fovece or a furrow before the teeth. 



6. Chrysis fasciata. 



Chrysis fasciata, Fabr. Syst. Piez. p. 175 ; Dahlbom, Hym. Eur. ii. p. 197 \ 

 Chrysis punctatissima, Spinola, Ann. Soc. Ent. Er. 1840, p. 200 2 . 



Hab. Mexico, Ventanas 2000 feet (Forrer); Guatemala, San Geronimo {Champion) ; 

 Panama (Boucard). — South Ameeica, Cayenne 2 , Brazil K 



The specimen from Guatemala is brilliant emerald-green, the abdomen green with a 

 decided bluish tinge ; and, if anything, the punctuation seems stronger than usual. 



7. Chrysis montezuma. 



Dark purple, with brassy and greenish reflections. Head and thorax coarsely and 

 strongly punctured, the punctures on the scutellum longer, rounded, and more widely 

 separated ; the second and third segments of the abdomen uniformly punctured ; the 

 first segment with the punctures larger and more widely separated. The sides of the 

 basin of the face are striated and covered with longish white hair ; the centre is almost 

 impunctate. The third abdominal segment is depressed transversely near the base ; 

 there is no depression nor foveee before the apical teeth, which are large, acutely 

 triangular, and of nearly uniform size. Antennae black, the scape dull bronzy. Wings 

 hyaline, slightly infuscated, the stigma and nervures pale fuscous. 



Length 11 millim. 



Hab. Mexico, Valladolid in Yucatan (Gaumer). 



Besides the differences in coloration this species is considerably broader and stouter 

 than C. fasciata ; and the basal segment of the abdomen is not so strongly trilobed. 

 The third segment becomes gradually narrowed towards the apex, which is not quite 

 so truncated as in C. fasciata ; the depression at its base is more sharply denned, and 

 the punctuation is deeper and stronger ; the teeth are shorter and the incisure narrower. 

 The separation between the pro-, meso-, and metathorax is more clearly marked, espe- 

 cially if looked at from the side. 



