﻿14 Journal New York Ext. Soc. [Voi in. 



P. crucigerus Say. — Hirsute; head and thorax black; elytra with 

 four large red spots ; thorax with numerous deeply punctatures, globular, 

 abruptly constricted behind, angles acute; elytral strice and punctures 

 deep. Length .45 inch = 11 mm. 



Habitat : N. Y.,N . J. and southward. 



P. fasciatus Say — PI. V, Fig. i — Hirsute; head and thorax ferru- 

 gineous, the latter deeply punctured and abruptly constricted behind ; 

 elytra red with a transverse black band behind the middle and al the 

 tip, stride and punctured deep and distinct. Length .32 inch = 8 mm. 



Habitat : N. Y., N. J. and southward. 



Nomius Lap. 



Antennae somewhat moniliform, arising from a distinct frontal 

 ridge ; head stout, oval, neck broad ; eyes prominent : labrum short, 

 broadly emarginate ; mandibles arcuate, with a feeble tooth on the 

 inner edge at middle, and a setigerous puncture outside ; body pedun- 

 culate, scutellum not visible between the elytra; elytra slightly margined 

 at base near the hind angles ; tarsi not dilated. 



Occur under stones in moist places. 



N. pygmaeus — Dej. Piceous elytra elongate, sides parallel, 

 striated, punctured ; legs rufous, thorax broader in front than behind. 

 Convex, slightly rounded anteriorly at sides ; anterior angles obtusely 

 rounded, hind angles straight. Length .28 inch = 7 mm. 



Habitat : N. J., Can., Lake Sup., southward and westward to 

 California, also Europe. 



Patrobus Dcj. 



Medium size : Head more or less constricted behind the eyes or 

 transversely impressed; elytra not margined at base; terminal joint of 

 the palpi more or less cylindrical and obtuse at the tip, that of the labial 

 palpi as long as the preceding ; elytra elongate sides sub-parallel. 



The members of this genus superficially resemble Nebria. Live 

 under stones in damp places. 



Synopsis of Species. 



Disc of thorax convex, hind angles with a rather deep fossa ; head behind the eyes 

 constricted. 



Last two joints of maxillary palpi equal, loilgicornis 



Last two joints unequal, terminal longer, septentrionis 



Disc of thorax flat, subquadrate, hind angles depressed without fossa ; terminal joints 

 of maxillary palpi equal. 



Hind trochanter of male and female one-third the length of the thigh, 

 rugicollis 



