488 Coleopterological Notices, VII. 



No secondary sexual marks can be discovered in the four speci- 

 mens before me. Tiiis species is readily distinguishable from 

 any other of the present subgenus by its decidedly larger size. 



16. S. corpuscultim n. sp. — Oval, very convex and ventricose, highly- 

 polished, deep black, the abdomen slightly pale at tip and the head rtifescent ;. 

 legs and antennae rufo-testaceous, the tarsi flavate; integiiments impunctate, 

 the elytra minutely, remotely and not at all distinctly puuctulate ; pubes- 

 cence short and sparse anteriorly, slightly pale, moderate in length, 

 rather sparse and recurved on the elytra. Head only slightly wider than long, 

 the eyes small and moderately convex, much longer than the tempora and 

 more prominent, the latter rapidly convergent and feebly, evenly arcuate be- 

 hind them to the nuchal constriction ; vertex with the transverse double de- 

 pression not bisetose ; clypeus large and broadly angulate at each side.. 

 Antennie barely as long as the head and prothorax, gradually and strongly in- 

 crassate toward tip; second joint almost as long as the first but distinctly nar- 

 rower, oval, % longer than wide, fully as long as the next two and distinctly 

 thicker ; third smallest, parallel, 3€ wider than long ; fourth to sixth increas- 

 ing scarcely visibly in width, the fourth quadrate, the next two slightly shorter 

 than wide and more oval ; seventh nearly 3^ wider ; seven to ten increasing 

 gradually and rapidly in width, %, %, % wider than, and nearly twice as 

 wide as, long ; eleventh small, obliquely and acutely conoidal, rather nar- 

 rower than the tenth and a little shorter than the two preceding. ProtJwrax 

 well developed, as long as wide, nearly Jg wider than the head, strongly 

 rounded laterally in apical half, the sides thence moderately convergent and 

 straight to the base ; lateral carinse at base and six subbasal fovese distinct ;. 

 flanks also foveate below the carina. Scutellum very minute. Elytra oval 

 and very convex, )^ longer than wide, slightly more than twice as long as the 

 prothorax and nearly % wider ; sides evenly and strongly arcuate throughout ;. 

 humeri obsolete ; subhumeral impression small and narrow but rather deep ;. 

 inner fovea and impression distinct ; suture not modified. Legs slender ; . 

 femora rather feebly clavate, the anterior a little more strongly ; hind tarsi 

 very slender but moderate in length, the four basal joints but slightly elon- 

 gate and subequal. Length 0.9 mm. ; width 0.45 mm. 



Canada (Ottawa) — Mr.W. H. Harrington ; Pennsylvania (West- 

 moreland Co.) — Mr. Schmitt. 



The large series before me exhibits scarcely any variation, even 

 in size or color, and no secondary sexual characters of the male 

 are discoverable. This species resembles ventriculus very closely 

 in general form, but is much smaller; the head, also, is much 

 smaller and with less prominent tempora, and the elj^tral vesti- 

 ture rather longer and sparser. 



17. S. cadlicus n. sp. — Elongate-oval, very convex and somewhat ventri- 

 cose, polished, almost completely impunctate ; body black, the head rufescent, 

 the pronotum at apex and elytral suture sometimes paler and rufo-piceous ;;. 



