212 Mr. W. H. Ashmead's 



specimens also exhibit a narrow streak of grayish pub- 

 escence on the lateral margins of the mesonotum, close 

 to the tegula3, and also on the scntelhim posteriorly. 



St. Vincent. Described from six ^ and four $ 

 specimens. 



Comes evidently nearest to M. (ITojylo^'hora) vchitina, 

 Lepel. 



Family Vll. CERATINIDiE. 



Genus Ceratina, Latreille. 



14. Ceratina nigrita, n. sp. 



$ , (J . Length 3-3.5 mm. Black, shining ; apex of abdominal 

 segments sometimes dorsally and ventrally dull testaceous ; a short, 

 narrow line on inner orbits, opposite the insertion of the antenna? 

 (but sometimes wanting), a pyramidal or triangular median spot on 

 the clypeus, a spot on middle of labrum and the tubercles, white. 

 The anterior coxte are strongly produced laterally into a Ijlunt angle 

 or tooth ; the tip of the anterior femora, their tibiie and tarsi, and 

 the last three joints of the middle and hind tarsi are yellowish or 

 pale ferruginous ; while the anterior tibiae have a white line in front. 

 Wings hyaline or rarely with a slight fuscous tinge, the stigma and 

 veins brown-black. 



The head, except the superior edge of the occiput, is smooth and 

 shining, impunctate. Mesonotum polished, impunctate, except the 

 hind margin just in front of the scutellum, w?iere it is confluently 

 jninctate. Scutellum is shining but punctate. Postscutellum opaque, 

 closely, minutely punctate. Mesopleura sparsely but distinctly 

 punctate. Metathorax witli its posterior face smooth and shining. 



The (J diflers from the $ in having a hat-shaped while spot 

 anteriorly and a white dot or line on the inner orbits anteriorly, 

 between the clypeus and the eye ; otherwise it is s;carcely distinguish- 

 able from the 9 • 



St. Vincent. Described from eleven specimens, repre- 

 senting both sexes. 



Family VIII. XYLOCOPID.E. 



Genus Xylocopa, Latreille. 



15. Xylowpa morio, Fabricius. 



1793. A'pis morio, Fabr., Syst. Ent., ii, p. 815. 

 1H04. Xylocopa morio, Fabr., Syst. Piez., p. 838. 

 1874. Smith, Tr. Ent. Soc. Lond., 1874, 



p. 285, $. 



