On Three neiv 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 seini- 

 spinosus and centralis, and in triait.atis 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.) 101; hind foot, 

 without claws 46"5, witli claws 50*5. 



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

 breadth 28*5; nasals 21'2x(j7; interorbital breadth 13; 

 greatest breadth on supraorbital ledges above squamosals 22 ; 

 interparietal Sxl3*4; palate length from henselion 20; 

 diastema 12*2; palatal foramina 5'lx3'6; length of upper 

 molar series 8"2 ; breadth between bullee 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 Gruamito " in the same 

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

 tical) has also been received from the neighbourhood of San 

 Cristoval, Tachira, W. Venezuela. 



XXXVIIT. — Descriptions of Three new Species of African 

 Butterflies in his oivn 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 tiie end of the cell, and a round 

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

 nervules. Posterior wings rather dusk}' 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 upper disco- 

 cellular nervule. 



Expanse of wings If inch. 



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



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



