374 Mr. F. Walker on some undestribed Ceylon Insects. 



thick, widening hindward ; two posterior spines, which are directed 

 hindward. Abdomen very short, elHptical, much broader than 

 the thorax. Legs robust. Length of the body A\ lines. 



Myrmica consternens. • Mas. Testacea, gracihs, nitens, capite 

 parvo supra nigro, antennis filiformibus thorace non longioribus, 

 abdomine subfusilbrmi, pedibus parvis, alis albidis, venis stigmate- 

 que testaceis. Neut.1 Nigra, capite magno elongato, antennis 

 testaceis subclavatis, thorace testaceo compresso, abdomine brevi- 

 ovato, pedibus testaceis. 



Male. Testaceous, slender, shining. Head small, vertex black. 

 Antennae fihform, paler than the body, not longer than the thorax. 

 Peduncle with two small nodes. Abdomen nearly fusiform, a little 

 longer than the thorax. Legs short, slender. Wings whitish ; 

 veins and stigma testaceous, the former in structure much like 

 those of Polyrhachis militaris. Length of the body 2^ lines ; of 

 the wings 5 lines. 



Worker ? Black. Head large, elongate. Antennee short, tes- 

 taceous, subclavate. Thorax testaceous, compressed, narrower 

 than the head, attenuated and partly black hindward. Abdomen 

 short-oval, broader than the head. Legs testaceous ; femora 

 mostly piceous. Length of the body f line. 



Crematogaster pellens. Fcem. Fulvus, gracilis, pubescens, capite 

 subrotundo, mandibulis latis trigonis, antennis testaceis clavatis, 

 metathorace bidentato, abdomine longi-elliptico, pedibus testaceis 

 breviusculis, alis albidis amplis, venis stigmateque testaceis. 



Female. Tawny, shining, minutely pubescent. Head nearly 

 round ; mandibles short, broad, triangular. Antennae testaceous, 

 clavate, shorter than the thorax. Metathorax with two short 

 stout spines. First node of the peduncle much longer than the 

 second. Abdomen long-elliptical, very convex beneath, longer 

 and broader than the thorax. Legs short, testaceous; femora 

 sometimes darker. Wings whitish, ample ; veins and stigma 

 testaceous, the former in structure like those of Crematogaster 

 castaneus. Length of the body 4 lines ; of the wings 8 lines. 



Crematogaster deponens. Foem. Niger, nitens, punctatus, capite 

 elongato subsulcato, mandibulis piceis latis trigonis, antennis bre- 

 viusculis rufescentibus subclavatis, thorace fusiformi subcompresso, 

 metathorace bidenticulato, petioli nodis conicis, abdomine rufo 

 fusiformi, pedibus rufis breviusculis, alis fuscescentibus, venis 

 stigmateque nigris. 



Female. Black, shining, punctured. Head elongate, with a 

 slight longitudinal furrow; mandibles piceous, short, broad, tri- 

 angular, with minute teeth. Antennae short, reddish, subclavate. 

 Thorax fusiform, slightly compressed ; metathorax with two mi- 

 nute teeth. Peduncle with two conical nodes. Abdomen red, 

 fusiform, longer and broader than the thorax. Legs red, short. 

 Wings brownish ; veins and stigma black, the former very strongly 

 marked, extending to the border, in structure somewhat like those 



