62 DESCRIPTIONS OF NEW SPECIES. 



smooth space of the thorax is much smaller, and the punctured 

 portion of the elytra much larger. 



PTIHUM EB. 



228. P. Canadense. Elongato-ovale, nigrum opacum sericeo-pubes- 

 ceus, dense subtiliter punctatum, thorace latitudine duplo breviore, an- 

 trorsum paulo angustato, lateribus rotundatis, elytris margine apicali 

 angusta flavo-testacea, antennis piceis, pedibus testaceis. Long. -02. 



Lake Superior. 



229. P. fungi. Minutissimum, lineare, testaceum punctulatum pubes- 

 cens, thorace latitudine paulo breviore, lateribus late rotundatis, elytris 

 elongatis, apice rotundatis, antennis pedibusque flavis. 



Mobile ; Col. Motschulsky. This is the smallest Coleopteron 

 known to me ; it is scarcely more than l-100th of an inch long. 



230. P. testaceum. Ovaleconvexum,rufo-testaceumnitidum, parce 

 fortius punctatum, capite thoraceque obscurioribus, hoc amplo, antror- 

 sum angustato, elytris latiore, angulis posticis paulo productis, elytris 

 postice infuscatis, apice late truncatis, abdomine brevioribus. Long. -02. 



Athens, Georgia, under pine bark. Resembles in form a Tri- 

 chopteryx, but the hind coxae are not laminate. 



231. P. balteatum. Oblongum subelongatum, testaceum nitidum 

 parce punctulatum et pubescens, thorace latitudine breviore, antrorsum 

 Bubangustato, lateribus rotundatis, angulis posticis obtusis, elytris ante 

 apicem transversini infuscatis, abdomine paulo brevioribus. Long. -02. 



Athens, Georgia; one specimen. Differs from the next species 

 by being finely instead of coarsely punctured. 



232. P. 1> ru ii 11 cum. Oblongum subelongatum, piceum nitidum, 

 parce fortiter punctatum, et pubescens, thorace latitudine sesqui breviore 

 antrorsum vix angustato, lateribus rotundatis, angulis posticis obtusis, 

 elytris basi rufescentibus, margine apicali testaceo, abdomine parum 

 brevioribus, antennis pedibus abdomineque testaceis. Long. '02. 



Also found at Athens, Georgia. 



233. P. piiii. Pallide testaceum, subtiliter punctatum, pubescens, 

 thorace latitudine breviore lateribus late rotundatis, elytris abdomine 

 multo brevioribus, oculis minutissimis nigris. Long. -015. 



Athens, Georgia, under pine bark. The eyes are exceedingly 

 small and situated on the under surface of the head. The abdo- 



