1878.] 423 [Uhler. 



f 

 base than inM. dors alls Duf., the costal margin broadly arcuated; co- 



rium dotted with fuscous, on the extreme tip is a larger dot, and on 



the medial nervure usually two others between which the space is 



whitish. Membrane short, usually with a few longitudinal fuscous 



nervules; in the male almost confined to the inner side of corium, 



with a fuscous dot near the middle of base. Tergum ochreous, more 



or less tinged with sanguineous, with a dark longitudinal cloud along 



the middle; the connexivum thin and white, bounded interiorly by a 



red streak. Genital segment subquadrate, with an impressed line 



beneath, the apex emarginated; the lateral lamellar pieces broad, 



very acute at the anterior tip. 



Length, 6-71 millims. Length of pronotum, If millims. Humeral 

 breadth, 1^-1^ millims. 



Dr. Harris' female is of the pale variety, with the membrane pro- 

 jecting a little beyond the tip of the abdomen; the nervules are long 

 and straight, and there are only two transverse ones near the base 

 inwardly. The venter polished, pubescent, with a slender black line 

 along the middle reaching lo the tip; the lateral blackish stripes not 

 so dark as on the pectus. The male is of the usual ochreous type, 

 but having less distinct black dots on the hemelytra. Costal margin 

 of corium whitish. Specimens of this species have passed my exam- 

 ination, which were taken in Canada, Maine, and Maryland. 

 3. C. subcoleoptratus. 



Nabicula subcoleoptrata Kirby, Fauna Bor. Amer., iv, 282. Nabis 

 subcoleoptratus Reuter, Ofv. Vetensk. Selsk., 1872, -p. 81, No. 1. 

 Nabis canadensis Provancher, Canad. Nat., 1869. Coriscus subcoleo- 

 ptratus Stal, Enum. Hemipt., in, 112, No. 1. 



"New Hampshire, August, 1850." 



The specimen belongs to the ordinary short-winged variety com- 

 mon in New England, Canada and New York. 



A badly damaged Nabis, with printed number 513, is in the collec- 

 tion, but is not determinable. 



Metastemma Amyot & Serv. 

 M. fusca. 



Prostemma fuscum Stein, Berliner Entom. Zeitschr., I, 90, 4. 

 No. 44, Harris' Collection, V. "June 17, 1827." 

 The type of Dr. Stein's description, collected in Pennsylvania, 

 seems to belong to the less mature condition of color, in which the 



