(407) 
ceum, sat magnum, triangulare, nitidum laeve. Elytra cylin- 
drica, latitudine thoracis et illo fere tertia parte longiora, basi 
trunçata, humeris vix elevatis subrotundatis, lateribus rectis, a 
basi ad medium et ultra, post medium ad apicem fortiter rotun- 
data; supra cylindrice convexa, nigro-picea vel brunneo-testacea, 
basi dilutiora, subnitida, versus apicem pilis paucis, seriatis, 
adspersa, laevia, imo vero subtilissime lineato-punctata, intersti- 
tis latissimis, transversim subtilissime aciculate strigulata, absque 
stria suturali; declivitas apicalis convexe rotundata, declivis, in 
singulo elytro tuberculo obsoleto, parum elevato, a sutura remoto, 
notata ; margo apicalis communiter obtuse rotundatus. Corpus 
subtus nigro-piceum, crebre subtiliter punctulatum, glabrum. 
Pedes ferrugineo-testacei, tibiis angustis, parum compressis, 
antrorsum vix dilatatis, tarsis testaceis. 
Patria : America borealis (Carolina, Canada). 
Adnotatio. — Leconte (Syn. Scol., 1868, p. 155) habitum 
totale corporis et sculpturum antecedenti similem Cryphalum 
retusum et suleatum sibi exhibere dixit, quare diagnoses loc. 
eit. datas affero (cfr. etiam descriptionem pleniorem in append.) : 
« C. retusus Lec. Cylindrical, slender, blackish-brown, base of 
elytra paler, antennae and feet vellowish; head prominent, con- 
vex, subearinated, shining, sparsely punctured ; prothorax nearly 
one-half longer than wide, sides slightly converging from the 
base and feebly rounded, tip strongly rounded, surface rough 
and sparsely hairy before the middle, granules tolerably coarse 
near the sip, behind the middle sparsely punctulate; elytra verv 
finely rugose and distantly punctulate in rows, and with a few 
long hairs behind the middle, posterior declivity with a deep 
depression along the suture, limited each side by a longitudinal 
obtuse elevation, bearing on its highest portion a few very fine 
denticulations ; suture not elevated. 
Long. 5,5 mm. 
