100 GEO. n. HORN, M. I). 



As in the preceding species the first two ventral segments are 

 cariiiatc at middle. 



Occurs from Canada to Virginia. 



T. Scliwarzi, n. sp. — Piceous black, shinine;. AntennaB as in picipes. 

 Head and thorax extremely finely ahitaceous. Elytra slightly longer than 

 ■wide, obsoletely subsulcate, sparsely but very distinctly punctured, minutely 

 alutaceous. Abdomen minutely punctured, scarcely visibly alutaceous, be- 

 neath more distinctly punctured. Length .32 inch; S mm. 



Male. — As in picipes, (fig. 20, a). 



Female. — Last ventral as in Jimbriatus, last dorsal with the middle lobe broader 

 than the lateral, as long, tip triangularly notched, (fig. 20, b). 



This species is one of the discoveries of Dr. E. A. Schwarz, of 

 Detroit. It has no carinatiou of the first two ventral segments. 

 Occurs near Detroit, Michigan. 



T. liinbatus. Mels. — 'Pale testaceous, very shining, elytra piceous with 

 broad lateral and narrow apical margin pale. Antennae rufous, four basal 

 and two terminal joints paler. Head black, with few minute punctures. 

 Thorax testaceous, smooth. Elytra as broad as long, sparsely punctured, 

 minutely alutaceous. Body beneath more distinctly punctured. Length .28 — 

 .30 inch; 7 — 7.5 mm. 



Male. — Lacinise of last ventral short and broad as in luridus, sixth ventral 

 emarginate at middle, a narrow granular margin at middle, face concave, last 

 dorsal as in macuHcollis. 



Female, — Last ventral as in macuHcollis. Last dorsal with the outer lobes 

 slender, middle lobe short, broad, and oval, sometimes pointed at tip and with 

 the tip very finely bifid, (fig. 22). 



This species occurs especially in the Middle States. 



T. rmnipeniiis. Say. — Piceous, shining, sides of thorax, basal and apical 

 margins of elytra and apical margins of abdominal segments testaceous. An- 

 tennte piceous, two basal joints paler. Head and thorax minutely punctulate, 

 finely alutaceous, the thorax with sides broadly, the apex and base narrowly 

 testaceous. Elytra not longer than wide, sculptured as the thorax, piceous, 

 humeral spot and basal band broader at middle and apex narrowly, testaceous. 

 Abdomen more distinctly punctured than the thorax, apical margins of seg- 

 ments paler, beneath sculptured as above. Legs testaceous. Length .24 — .30 

 inch; 6 — 7.5 mm. 



Male. — As in limbatus, the granular margin however barely visible. 



Female. — Last ventral as in macuHcollis, last dorsal as in parallelus. 

 There is no difficulty in distinguishing this species excepting pos- 

 sibly from fn'i/idutt, from this the general arrangement of color must 

 be the guide, together with a more distinct punctuation of the latter. 

 From Crotcliii and instabills the female last dorsal is the best dis- 

 tinction. 



Occurs from Pennsylvania to Florida.* 



* While reading the proof of the above I have received the Canad. Ent. May, 

 1877, and find some remarks on this species by Mr. Austin. By his courtesy 



