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Show 170 MESSRS. SCLATER A N D HARTLAUB O N [Jail. 18, the rufous colour of the interscapulium and rump, these parts being of a sordid brownish ashy-grey ; the tail, rufescent in P. motitensis, is dark fuscous in the Socotran species; and there are other minor differences. " C o m m o n all over the island. In Goahal valley I found them, along with the next species, on a Euphorbiaceous shrub of the genus Croton."-7. B. B. 12. RHYNCHOSTRUTHUS SOCOTRANUS, gen. et sp. nov. (Plate XVII.) 1 IO- 2 Head, wing, and right foot of Rhynchostrnthus socotranus. R H Y N C H O S T R U T H U S , gen. nov., ex fam. Fringillidarum. Char. gen. Rostrum crassum, tumido-rolundatum, eulmine distincto, tomiis introrsum retractis, maxilla curvata, commissura curvata, gonyde conspicue adscendente; naribus in fossa basali positis, setis brevibus incumbentibus obtectis. Ala? longiuscula?, cauda? dimi-dium superantes, remigibus 1-3 ca?teris longioribus, a>qualibus, rem. Atoparum breviore. Cauda mediocris, a?qualis. Pedes medio-cres, satis debiles ; digitus internus externa paidb brevior ,- ungues debiles. |