258 



MR. It. m'LACHLAN ON A SYSTEMATIC 



disparity of the size of tlie wings the species approaches S. dif- 

 formis. The position of the insect is yet doubtful. 



New Caledonia. 



11. S.(?) Caledon, nov. sp. (Antennae mutilatae). Frons fuscus, 

 griseo-villosus, inter antennas nigro-villosus ; clypeo, labro, margini- 

 busque oculorum, flavo-ochraceis. Vertex griseo-villosus. Thorax 

 abdomenque supra fusci, infra griseo-pruinosi. Pedes nigri ; femo- 

 ribus piceis. Ala3 sat latae, subaequales, sed posticae anticis bre- 

 viores ; humeris flavo-fuscis ; pterostigmate fusco-nigro ; cellulis areae 

 poststigmaticalis triseriatis. Long. corp. 13"'; exp. alar, antic. 34"', 

 postic. 30"'. 



Hab. New Caledonia. In my collection and in that of Baron de 

 Selys Longchamps. 



Africa. 



12. S. (?) cephalotes, nov. sp. Caput, cum oculis, permagnum. 

 Antennae nigrae, articulo basali ochraceo. Frons fuscus, clypeo, 

 labro, lateribusque flavis. Vertex nigro-villosus. Thorax supra 

 griseo-fuscus, infra utrinque ochraceus, cano-villosus. Pedes nigri ; 

 femoribus vix nigro-piceis. Abdomen breve, nigrum, infra utrinque 

 aurantiaco-maculatum. Alae sat latiores, vix dilatatae; pterostig- 

 mate intense nigro : posticae anticis valde breviores ; area costali 

 ad basin paullo gradatim dilatata. Long. corp. 11"'; exp. alar, 

 antic. 33"', postic. 25"'. 



Hab. Madagascar. In my collection. 



Seems to be more allied to 8. Caledon than to the other African 

 species. 



13. S.(?) abdominalis, nov. sp. Antennae piceae ; clava nigra, fla- 

 vido-annulata. Frons flavidus, nigro-villosus. Vertex nigro-vil- 

 losus. Occiput sordide flavidum. Thorax supra saturate griseo- 

 ochraceus, antice et in medio nigro-notatus, fusco-villosus, infra 

 pallidior. Pedes nigri; femoribus flavis, ad apicem nigris, prope 

 basin fusco-cingulatis. Abdomen attenuatum, subcylindricum, per- 

 elongatum (alis valde longius), nigrum, basin versus sordide ochra- 

 ceum, fusco-varium, spinis brevibus utrinque dense instructum. Alae 

 elongatae, augustatae, haud dilatatae ; pterostigmate nigro-fusco, nigro- 

 venato; area poststigmaticali infuscata. Long. corp. 20'"; exp. alar, 

 antic. 32"', postic. 26"'. 



Hab. Gaboon. One <3 in my collection. 



A second example in the Oxford Museum, perhaps a $ , dilFers 

 in the wings being much clouded all over with smoky brown. 

 The underside of the thorax 'and base of the abdomen is of a 

 pale salmon-colour. 



