from the West Indies. G4o 



on the avcraj^o a little narrower; the ^T -characters are, how- 

 ever, very different, and appear to ally it with G. varians, Slip., 

 from Central Ameriea — it differs iVoni this species in the 

 stouter antenna?, 



c? . Sixth dorsal segment on either side of the middle 

 line at tlie posterior margin with a sharp-pointed spine pro- 

 jecting a short distance over the following segment, but 

 sometimes obsolete. Eighth dorsal segment gradually 

 narrowed and produced into a lobe, the apex of which is 

 emarginate. 



? unknown. 

 St. Vincent {H. H. Smith). Type in the British Museum. 



91. Gyrophcena (s. str.) hydrocephala, sp. n. 

 (Fauvel, in litt.) 



Pitchy, shining; the elytra and base of the abdomen 

 obscure brownish testaceous. Thorax exceedingly finely and 

 sparingly punctured, without series of larger punctures. 

 Elytra (in the (J) distinctly but sparingly granular, in 

 the ? less distinctly. Antennae stout, with the legs entirely 

 testaceous. 



Length 1 mm. 



A small robust species, with large head and stout an- 

 tennae. Head broad, })ractically impunctate. Anteuuje with 

 the fourth to the tenth joints transverse, gradually increas- 

 ing in breadth, the penultimate three times as broad as long. 

 Thorax finely, obsoletely, and sparingly punctured. 



Elytra with moderately close granular sculj)ture (especially 

 towards the centre) in the cJ , finely and sparingly asperate 

 in the ? . 



Abdomen nearly impunctate. 



(J . Seventh dorsal segment with a sharply pointed 

 oblique tubercle or spine on either side of the middle line 

 and well in front of the posterior margin ; eighth dorsal 

 segment with a small sharp tooth on either side. The pos- 

 terior margin broadly rounded in the middle and separated 

 from the lateral teeth by a deep rounded excision. 



Grenada, St. Vincent (H. H. Smith). Type in the British 

 ^Museum. 



92. Gyrophaena (s. sir.) lax at a, sp. n. 

 (I'auvel, in litt.) 



Rufo-testaceous. shining ; the posterior two-thirds of the 

 elytra and the sixth abdominal segment more or less iufus- 



