﻿Dec. 1895.] WlCKHAM. COLEOPTERA OF N. E. AMERICA. 187 



table for specific identification are those selected by Dr. LeConte. 

 Length .44-. 5 4 in. =11-13.5 mm. 



Habitat: New York, Illinois, Louisiana, Texas and Ohio. 



P. caudicalis Say. — Length, .41-. 50 in. =10-12.5 mm. 

 Habitat: Canada to Maryland, Ohio, Dakota, Montana, Nevada 

 and Oregon. 



P. luctuosus Dej. — Smaller and more slender than the others of 

 the group. Length, .37 in. =9 mm. 



Habitat: Canada, Wisconsin, New York and Pennsylvania. 



P. corvinus Dej. — Thorax rather short, sides not sinuate, hind 

 angles very slightly prominent or subobtuse. Length, .5 7-. 60 in. 

 =14-15 mm. 



Habitat: Canada to Wisconsin to Nebraska, New York to 

 Georgia. 



P. haldemani Lee. — Black, elytra opaque, at least in the 5 , 

 striae fine. A very large species. Length, .87 in. = 22 mm. 

 Habitat : New York and south to Alabama. 



P. tartaricus Say. PI. VII, fig. 8. — Aside from the characters 

 given in the table, may be known from the preceding species by having 

 deep elytral striai. A specimen ( $ ) in my cabinet from Iowa City 

 exceeds all the recorded measurements, reaching 24 mm. Length, 

 .63-. 96 in. =: 16-24 rnn^- 



Habitat : New York, Canada, south and west to Illinois and 

 Iowa. 



P. scrutator Lee Smaller and very brilliant. Length, .60 in. = 



15 mm. 



Habitat : Canada, New York, Illinois and Iowa. 



P. gravis Lee. — Length, .76 in. ^ 19 mm. 



Habitat : Pennsylvania, rare. 



P. purpuratus Lee. — Purplish above, body rather elongate, thorax 

 moderately narrowed behind. Posterior tarsi with three joints grooved. 

 Elytral striae deep, impunctured. Length, .53-.56 in. =^ 13-14 mm. 



Habitat : New York to Pennsylvania and Ohio. 



P. mutus Say. PI. VII, fig. 9 — Black, hind angles of thorax more 

 distinct. Length, .40-.52 in. = 10-13 mm. A common species in the 

 Atlantic and Middle States. 



Habitat : Atlantic region generally and west to Nevada. 



