478 STAPHYLINIDA. 
The under surface of the head is shining and rather sparingly but coarsely punctate ; 
the prosternum, as well as the meso- and metasternum, red. 
This species is found on the banks of streams; a good series was obtained. Either 
this or an allied species occurs in Mexico, as shown by an immature example from 
Sallé’s collection, found at Cordova. 
8. Xantholinus fuliginosus. 
Niger, nitidus ; antennis pedibusque piceis, abdominis apice rufo-obscuro ; antennis articulis secundo et tertio 
elongatis ; capite fortiter punctato; elytris seriebus dorsalibus irregularibus, multipunctatis. 
Long. 13 millim. 
Hab. Mexico (Sallé, Trugut). 
Although very similar to X. carinatus this species will be readily distinguished by the 
elongate second and third joints of the antenne, and by the large number of punctures 
in the dorsal series ; these punctures are, however, very irregular, and as others are placed 
near them at the sides, and render them still more irregular, their number can only 
with some hesitation be stated as about twelve; there are rather numerous irregular 
punctures about the sides, but these, as well as the dorsal punctures, are probably 
variable. The elytra are as long as the thorax, shining, somewhat coarsely punctate. 
The hind body is broadly dull red at the extremity. There is no trace of carination on 
the prosternum. 
Two very badly-preserved examples from Sallé’s collection, and one from Truqui, are 
all I have seen; Sallé’s examples were probably found by Truqui. 
9. Xantholinus lacertosus. 
Nigricans, nitidus ; elytris pedibusque sordide rufis, capite sat crebre minus fortiter punctato, prothorace seriebus 
dorsalibus obsoletis, circiter 7-punctatis, lateribus parce punctatis. 
Long. 12 millim. 
Hab. Mexico, Oaxaca (Hoge). 
Second and third joints of the antenne rather long, the latter distinctly the longer. 
Head oblong-oval, being somewhat narrower towards the front, its punctures rather 
distant and not coarse, and absent from a space along the middle. Thorax a little 
narrowed behind, the dorsal series consisting of about seven distant fine punctures, and 
the lateral punctures of about the same number placed in an irregular curved series. 
The elytra are not longer than the thorax, shining, obscure red, somewhat sparingly 
and vaguely punctured. ‘There is no carination on the prosternum proper, but there is 
a rather acute elevation behind it just between the front of the coxe; the thoracic 
pleura is broad in front, the superior marginal line being very little inflexed. 
This is an obscure insect, but with structural characters that differentiate it thoroughly 
from either X. rudis, X. carinatus, or X. fuliginosus. Only one example has been 
found. 
