On Three new Species of African Butterflies. 245 



perceptible and tlie supraorbital ones end off earlier. 

 Hamnlar processes of pterygoids narrow, scarcely more than 

 1 niillim. broad, while they are broadly spatulate in semi- 

 spinosus and centralis, and in triaitatis they are triangularly 

 broadened, with a supplementary process running vertically 

 upwards and nearly touching the basisphenoid. 



Dimensions of the type (an adult female, measured in 

 skin) : — 



Head and body (c.) 260 millim. ; tail (c.) 161; hind foot, 

 without claws 46'5, with claws oO'-"). 



Skull : extreme length 59 ; basilar lengtli 40"7 ; greatest 

 breadth 28*5; nasals 21"2x6'7; interorbital breadth 13 

 greatest breadtli on supraorbital ledges above squamosals 22 

 interparietal 8xl3'4; palate length from hen?elion 20 

 diastema 12*2; palatal foramina 5*lx3'6; len2:th of uppsr 

 molar series 8'2 ; breadth between buUfB on basilar suture 3" 7. 



Hah. Muzo, N. of Bogota, Colombia. Collected by a 

 native, Dec. 24, 1895. 



Type: B.M. 98. 2. 7. 2. 



Besides three specimens from the typical locality tliere are 

 examples from " La Isla " and " El Guamito " in the same 

 part of Colombia, while a young specimen (apparently iden- 

 tical) has also been received from the neighbourhood of San 

 Ciistovalj Tachira, W. Venezuela. 



XXXVIIT. — Descriptions of Three neic Species of African 

 Butterflies in his own Collection. By H. GrOSE-Smith. 



Pinacopteryx narena. 



Male. — Upperside pure white; anterior wings with the 

 base, costal margin, and the apex (rather broadly) black. 



Underside. Anterior wings white, with the apex creamy 

 white ; a minute black spot at the end of the cell, and a round 

 greyish-brown spot on the disk between the two upper median 

 nervules. Posterior wings rather dusky creamy white, tinged 

 with pale orange at the base ; a row of six small brownish- 

 grey spots crosses the middle of the disk between the veins, 

 and there is a minute brownish-grey spot on the upjjar disco- 

 cellular nervule. 



Expanse of wings If inch. 



Hah. Antanossi country, S. iladagascar {Last). 



Allied to P. charina, Boisd., and P. simana^ Hopff. 



