MONOGRAPH OF WEST INDIAN STAPHYLINIDAE 501 



about one-third longer than wide, widest at anterior angles, thence 

 moderately narrowly, base and angles broadly rounded, front not 

 semi-circular; smooth median space narrow, not definitely outlined, 

 punctures finer than on head, not umbilicate, separated by one to 

 three times their diameter ; without ground sculpture. Elytra, small 

 but not appressed; punctures moderate but irregular, usually sepa- 

 rated by less than their diameter ; surface more or less coriaceous but 

 without sculpture. Abdomen with very fine punctures obscured by 

 irregular sculpture. Length, 3i/^ mm. 



Type locality. — Trinidad, St. Augustine. 



Types. — Holotype and one paratype in the Museum of Compara- 

 tive Zoology; one paratype in the United States National Museum 

 (No. 52526) ; collected on August 3, 1935, by N. A. Weber. 



Records. — The following are the records known to me : 



Trinidad: St. Augustine (Weber, in M.C.Z. and U.S.N.M.), Maracao Palls 

 (Weber, in M.C.Z. ). 



Specimens examined. — I have seen only the three types. 

 Remarks. — This species is distinguished by the dense punctation 

 of the head and by the shape of the antennal grooves. 

 I have received no record of its habits. 



7. LITHOCHARODES UNICOLOR (Cameron) 



Homoleptus unicolor Camekon, 1922, p. 115. — ScHEEKPEiLTz, 1933, p. 1305. 



Description. — Black, shining, posterior margin of last abdominal 

 tergite piceotestaceous. Head (including the mandibles) subtrian- 

 gular, a little widened behind the eyes, posterior angles rotmded; 

 punctures rather fine and not very dense, more sparing posteriorly. 

 Pronotum a little narrower than head, longer than broad, widest at 

 anterior angles, sides narrowed and a little sinuated posteriorly; 

 with smooth median longitudinal space ; rather finely and not densely 

 l)unctate. Elytra finely, rather obsoletely, and not densely punctured. 

 Abdomen finely but not densely punctured. Length, 4 mm. (From 

 Cameron.) 



Type locality. — Jamaica. 



Types. — Unique type in collection of Dr. Cameron. 



Records. — The following is the only record known to me : 



Jamaica: (Cameron, 1922; Cameron collection). 



Spemnens examined. — I have examined briefly the type in Dr. 

 Cameron's collection. No other examples are known to me. 



Remarks. — This species is distinguished from strigulata only by 

 its uniform black color. As this is largely a matter of lighting 

 and individual use of terms, I should not be surprised to find they 



