254 Canadian Record of Science. 



transverse angular impression more or less obliterated ; the 

 basilar impressions 'are single, deep and more or less 

 punctured. The grooves on the outer edge of the hind tarsi 

 are usually well marked ; metathoracic espisterna longer 

 than broad, elongate, and the palpi cylindrical truncate, 

 elytra with three dorsal impressions, sinuate at tip and with 

 the scutellar stria long. The species may be separated as 

 follows : — 



Male, with inner side of hind tibiae clothed with hair ; three 

 points of the tarsi grooved. 

 Color purplish. 



Basal prothoracic impressions not punctured ; hind 

 angles rather obtuse. 1. purpuratus. 

 Color black. 



Form stouter, basal impressions more or less punc- 

 tured. 

 Black, with piceous lustre, angles of prothorax 



small, subrectangular. 2. mutus. 

 Black, without piceous tint, hind angles slightly 

 more prominent, abdominal segments at base 

 more freely punctured. 3. pulvinatus, n. sp. 

 Form more slender. 



Prothorax longer and strongly punctured at base. 



4. stenopus, n. sp. 

 Male, with hind tibia? not villose on the inner side ; tarsal 

 grooves less deep, not reaching to third joint ; prothorax 

 feebly sinuate on sides behind, hind angles rectangular, 

 basal impressions feebly punctured. 5. lustrans. 

 For more detailed descriptions the student maj^ be re- 

 ferred to the following papers and memoirs : — 



1. P. purpuratus, Lee. Jour. Acad. Nat. Sc. Phila., 1853, 

 vol. II, p. 242. Ohio, Ills. Pa. Length 14-3 mm. ; -55 in. 



2. P. mutus, Say (Feronia) Trans. Am. Philos. Soc, v. II, 

 p. 44. Fer. morosa, Dej. spec. Ill, p. 283 (Omaseus) picicornis, 

 Kirby Faun. Bor. Am. IV, p. 33. Atlantic States and Can. 

 10-13 mm.; -47-50 in. 



3. F. pulvinatus, n. sp. le Naturalist? Canadien, v. XX 

 (1891) No. 2, 



