1/0 



MESSRS. SCI^ATER AND HARTLAUB ON [Jail. 18, 



the rufous colour of the interscapulium and rump, these parts being of 

 a sordid brownish ashy-grej' ; the tail, rufescent in P. molitensis, is 

 dark fuscous in tlie Socotrau species ; and there are other minor 

 differences, 



"Common all over the island. In Goahal valley I found them, 

 along with tlie next species, on a Euphorbiaceous shrub of the 

 genus Croton." — /. B, B. 



12. Rhynchostruthus socotranus, gen. et sp. nov. (Plate 

 XVII.) 



I'is. 2. 



Head, wing, and right foot of Ii/ii/iwhostruf/inf iocnfranifn. 



Bhynchostruthus, gen. nov., ex fam. FringiUidarum. 



Char. gen. Rostrum crassum, iumido-rolundatum, culmine distincto, 

 tomiis introrsum retractis, maxilla curvata, commhsura curvata, 

 gonyde conspicue adscendente ; naribus in fossa basali positis, seds 

 brevibus incumbentibus obtectis. Alee longiusculce, candce dimi- 

 dium superantes, remigibus 1-3 cato-is longloribtis, aqualibus, 

 rem. Atoparum breviore. Cauda mediocj-is, cequalis. Pedes medio- 

 cres, satis debiles ; digitus intermis externa paidh brei'ior ; vngves 

 debiles. 



