2 Mr. T. D. A. Cockerell — Descriptions and 



obscurely reddish, the other tarsi dark reddish apical ly. 

 Abdomen shaped like that of a female, microscopically 

 reticulate, and. with fine piliferous punctures, so that the 

 surface does not appear smooth; stipites with long beauti- 

 fully plumose hairs. 



Hab. P. Princesa, Palawan (Baker coll. 3853). 



Prosopis taclobana, sp. n. 



g . — Length about 4*5 mm. 



Rather slender, black ; head and thorax dull, extremely 

 densely and finely punctured ; abdomen also very finely 

 punctured, but somewhat shining; head large and round, 

 the face greatly narrowed below ; clypeus and lateral face- 

 marks (abruptly truncate just below antennas) chrome- 

 yellow, but supraclypeal area black ; mandibles and labrum 

 marked with yellow ; scape short, broadly yellow in front ; 

 flagellum extremely long and slender, not moniliform, 

 obscure brownish beneath ; a broadly interrupted band on 

 prothorax, tubercles, and large spot on tegulae yellow ; basal 

 part of metathorax divided by ridges into four large areas, 

 which are themselves finely reticulate, apically between the 

 two midmost areas is a large pit. Wings greyish hyaline, 

 stigma sepia ; first r. n. meeting first t.-c, second s.m. about 

 as broad as high. Tibire and tarsi rich yellow, anterior tibise 

 with a black mark behind, middle and hind tibiae each with 

 a broad subapical black ring ; stipites each with a pair of 

 long stiff yellow bristles, which are hyaline and briefly 

 fimbriate at the end. 



Hab. Tacloban, Leyte, Philippine Is. (Baker coll. 3665). 



The following table separates the Philippine species of 

 Prosopis. These are all distinct from those described by 

 Friese from Java : — 



Second s.m. about as broad as high ; clypeus of 



male entirely yellow ,. taclobana, Civil. 



Second s.m. much broader (longer) than high .... 1. 



1. Clypeus all black; lateral face-marks triangular, 



broadly truncate above ; female tagala, Ashm. 



Clypeus with a light spot or patch 2. 



2. Area of metathorax coarsely wrinkled palavanica, Ckll. 



Area of metathorax rugulose, without strong 



sculpture v luzonica, Ckll. 



Trigona palavanica, sp. n. 



Worker. — Length about 5 mm. 



Black, without light markings on head, thorax, or legs, 



