of the North American Orthoplera. 479 



Vertex projecting beyond the eyes, front border well 

 rounded, a little angulated, the medial carina sharp, ])roin- 

 inen<", sloping downwards posteriorly, the front deeply 

 notched immediately in front of the eyes ; eyes rather 

 prominent, scarcely more than half as broad as the vertex ; 

 the pronotum with sides neither swollen nor hollowed, of 

 the length of 'the body ; the medial carina high, regularly 

 arched ; the lateral border with two shallow grooves, one 

 anterior, the other posterior, overlapping one another in the 

 middle ; the whole pronotum is minutely scabrous, and 

 there is generally a dark quadrate or triangular spot on 

 either side, above the terminal half of the wing-covers ; 

 wings reaching tip of pronotum. 



Length of pronotum, .33 in. 



Mass., (H. Coll., ShurtlefF, Sanborn, S. H. S.) Maine, 

 (H. Coll., Packard.) N. Hampshire, (H. Coll.) Conn., 

 (S. H. S.) 



* 2. B. CARINATA, nOV. sp. 



The head much as in B. cristata, with the eyes slightly 

 larger and more prominent ; the medial carina of the pro- 

 notum sharp, regularly arched, the pronotum extending 

 backward a good ways behind the tip of the abdomen, a 

 little upturned towards the tip, with slightly longer wings ; 

 the lateral grooves are narrower and less distinct than in 

 B. cristata, and the upper surface is more coarsely sca- 

 brous than there ; marked as in B. cristata. 



Length of body, .32 in.; of pronotum, .43 in. 1 (J, 2 9. 



Mass., (Sanborn, S. H. S.) 



Explanation of Wood-Cuts. 



Fip;. 1, p. 424. Fore-tibia and tarsi of Tridactylus apicnlis, Say d (ni.Tgnifiecl.) 

 Fig. 2, J). 442. Hind-tarsi of L'deopsylla nigra, Scufld. ^magnified 2 diameters.) 

 Fig. 3, p. 443. a. Hind-tarsi of Duihinia brevipes, Hald. (magnified 2 diameters.) 



b. Middle tarsi o^ Duihinia brevipes. Hald. (magnified 2 diameters.) 

 Fig. 4, p. 446. Wing-cover of PhyUoptera rotuiuUfolia, Scudd. 

 Fig. 5, p. 44G. Wing-cover of MicroceiUrum affiUatum, Scudd. 



