THE CANADIAN ENTOMOLOGIST. 53 



THE MEMBRACIM: OF ST. VINCENT ISLAND, W. I. 



BY F. W. GODING, M. D., PH. D , RUTLAND, ILL. 



The material forming the basis of this paper was sent to me last 

 October by Prof. C. V. Riley for determination. The species were 

 collected by H. H. Smith in St. Vincent, West Indies, and are among the 

 most interesting forms of this remarkable family. 



Subfamily Centrotin^e, Stal. 

 i. Monobehis fasciatus, Fabr. 



$ . One example in National Museum. 



Subfamily Smiliin^e, Stal. 

 2. Acutalis trifurcata, n. sp. 



$ . Head greenish-yellow, with an oval spot in the middle (in which 

 are the ocelli), and a curved black line around the apex ; pro thorax 

 shining greenish-yellow, a broad line ending just before the apex, 

 at its middle sending toward the front a line, on each side, which 

 does not reach a line through lateral angles, these lines together resembling 

 a three-tined fork ; median line behind this fork much broader ; at base 

 of median line a broad line branches from each side backward and out- 

 ward in the form of an arrow-head ; base of prothorax very narrowly 

 shining black ; tegmina very pale yellow, veins indistinct : chest, femora, 

 tibiae and tarsi dark brown. Length, 3 mm.; width, \% mm. 



Described from one female ; type in National Museum. 



This species is near Illinoiensis, Godg. 

 j. Acutalis afticalis, n. sp. 



<$ . Shining black, with a submarginal yellow line on each side, 

 originating at the apex of head it extends posteriorly nearly to apex of 

 prothorax, where it converges towards the line on the opposite side, but 

 they do net come together ; apex bright yellow ; lateral angles of pro- 

 thorax produced in small tubercles ; tegmina light yellow, veins darker 

 Legs light brown, tarsi annulate with brown. 



Length, 3 mm.; width, 1^ mm. 



Described from one male ; type in National Museum. 



This species is near flaviventris, Leth. It may prove to be the g of 

 trifurcata, Godg. 



Subfamily Membracin/E, Stal. 

 4. Sphoiigop horns (Lobocladisca) vexillifera, n. sp. 



Sex (?) Dark brown fuscous ; very densely and coarsely punctured. 

 Head vertical, nearly quadrangular, a little longer than the width between 



