AQ [ Pepruary, 
at the anterior angles, between the upper and under surface of the prothorax, and 
open laterally. Only two species are known to me, 1.C. americanus 
(Lribalus americanus Lec.) and 2. C. levissimus, with the upper surface 
very smooth and shining, the epipleure less suddenly inflexed than in C. ameri- 
canus, with only two very fine lateral stri#; the dorsal striz of the elytra ob- 
solete: length 10. It is found in Cuba under the bark of trees, and was sent by 
Don Felipe Poey. The body is narrower and more elevated than the preceding. 
Saprinus Leach. 
The posterior tibiz of this genus are usually but little dilated; the external 
margin is furnished with three series of spines; some of the species of group 
9, have four confused series (S. palmatus), others have the spines very dense 
and occupying a large surface (S. sulcifrons). On account of these variations I 
am inclined to unite Pachylopus (Er.) with this genus, although the singular 
sexual character mentioned by Erichson is not found. in any Saprinus. At all 
events, if Erichson’s species should remain as a distinct genus, it must be upon 
very distinct characters from those indicated by him. 
The species known to me may be arranged as follows: 
A. Caput antice non marginatum; prosternum compressum, elevatum, pla- 
num ; epipleure tristriate. 
Prosternum striis utrinque divergentibus. : ; : : sh ualis 
Prosternum striis antice conjunctis, postice parallelis. . , : ethiels 
B. Caput antice non marginatum; epipleure bistriate. 
Prosternum transverse convexum, striis nullis  . 6 : a ‘ shat 
Prosternum transverse convexum, antice utrinque foveatum, striis parallelis, 
antice abbreviatis . 4 4o 
Prosternum transverse convexum, non foyeatum, striis antice divergentibus 5. 
Prosternum transverse convexum, antice utrinque foveatum, striis remotis 
divergentibus : . : 5 6 : : 4 sHHAOle 
Prosternum compresso-carinatum, striis remotis divergentibus . : minute 
C. Caput antice marginatum, prosternum striis valde approximatis, postice 
divergentibus, antice non divergentibus. 
Prosternum compressum, striis integris, antice convergentibus . 5 se 
Prosternum compresso-carinatum, striis conniventibus, szepius indistinctis 9. 
The United States species may be distributed as follows : 
1, Contains two Californian species; S. alienus Lec.; discoidalis Lec.; the 
latter approximates somewhat to division C; and in some specimens there is a 
very faint trace of the double line found on the front of the species belonging 
to that division. 
2, S. deletus Lec.; interceptus Lec. 
3, S. interstialis Lec.; a singular oblong species, with the strie of the elytra 
nearly parallel. ° 
4, S. obscurus Lec.; pectoralis Lee.; peminosus Lec.; all from California. 
5, S. lugens Er. (californicus Man.); Oregonensis Lec.; imperfectus Lec. ; 
impressus Lec.; infaustus (picews|| Lec.) ; pensylvanicus Er.; and three new 
species. , 
6, S. conformis Lec.; assimilis Er.; minutus Lec.; placidus Er.; insertus 
Lec.; obductus Lec.; ciliatus Lec.; vinctus Lec.; laridus Lec.; scissus Lec. ; 
and one new species. 
7, S. vestitus Lec.; fimbriatus Lec.; plenus Lec.; vitiosus Lec.; lubricus 
Lec.; cerulescens Lec.; all from California; and three new species, two of 
which are from Missouri Territory, and the other from Georgia. 
8, S. spheroides Lec. (bigener Lec.); fraternus Lec.; mancus Lec. (Hister 
mancus Say); estriatus Lec.; bigemmeus Lec.; and one: new species. 
9, Contains species found near the sea shore; they may be arranged in two 
groups, according to the structure of the posterior tibie. 
Those with the spines in three series are: S. patruelis Lec.; lucidulus Lec. 
Those with the spines more numerous and confused are: S. dimidiatipennis Lec. 
(var. Hister palmatus Say) ; sulcifrons Man. ; serrulatus Lec. ; and gaudens Lec. ; 
