292 Mr. M. Burr's Observations on 



Long, corporis ... 6 mm. 

 „ forcipi.s . . . 0"3 „ 



Hab. Madagascar, "Region du sud-est, Vallee du Fan- 

 jahira, Isaka (foret)," 1 ^, Dec. 1901. (Ch. Alluaud, 

 Dec. 1901, Mus. Paris.) 



A curious little species, with some superficial resem- 

 blaDce to an ant; it is characterized by the globular head, 

 with obsolete sutures, and the elevated prozona of the 

 pronotum, and depressed and white metazona, 



Brachylahis malgacha, sp. n. 



Nigra, sericeo-nitida, pills brevisslmls fulvo-auratls tota tomentosa. 

 Capvit nigrum, oculis haud prominulis ; frons inter antennas media 

 bi-impressa ; antennas 15 segmentatte, nigrescentes, apicem versus 

 pallidiores ; segmento 1 longo, apice Incrassato, 2 minimo angusto, 

 3 parvo, quam secundo duplo longiri, 4 quam 3 breviori, 5 

 quam 3 tarn longo, ceteris gradatim longioribus et angustioribus. 

 Pronotum oblongo-quadratum, capite sesquilongius, margine antico 

 capite haud latius, lateribus paullo divergentibns, margine postico 

 subrecto, quam margo anticus paullo latiori, angulis rotundatis ; 

 couvexum medio transverse impressum, lateribus ipsis deplanatis et 

 paullo reflexi.s. Mesonotum margine antico quam pronotum ajque 

 latum, margine postico recto, subangustiori, lateribus carina sub- 

 arcuata distincta instructum. Metanotum mesonoto paullo latius, 

 margine antico recto, lateribus rectis, carinis nullis ; margine postico 

 profunde rotundato-emarginato. Pedes longi, graciles, prtesertim 

 postici ; femoribus tibiisque nigrescentibus, genubus paullo palli- 

 dioribus ; tarsi graciles, elongati, fulvo-pubescentes, toti testacei, 

 segmento primo ceteris unitis vix longiori, 2 elongato, quam tertium 

 vix breviori. Abdomen convexum, medio paullo dilatatum ; plicis 

 lateralibus segraenti secundi baud, segmenti tertii maxime dis- 

 tinctis ; abdomen apicem versus attennatum, segmento ultimo an- 

 gusto, declive, Forcipis braccbia basi subcontigua, basi incrassata, 

 recta, dehinc gracilia, ^ valde, $ sensim, incurva, apicem versus 

 graciliora, apicibus ipsis acutissimis, decussatis. $ 9 . 



