PROCELLARIA GLACIALOIDES.— Smith. 



AvES. — Plate LI. (Male.) 



P. supra cineracca, siibtus alba; capite cerviceque albis, flavo-cinereo-tinctis ; rcmigium priiiiarium 

 tcctricibus, remigibus primariis secoudatiisque externe brunneo-rubris, interne ultimis duabus albis : 

 Cauda pallide cinerescente ; corporis lateribus antice et postic^ griseo-cseruleo-tinctis. Rostro supra 

 purpureo-cseruleo, infra subcaruco; mandibularuni apicibus livido-nigris. Pcdibus livido-griseis. 

 Oculis rubro-brunneis. 



LoNGiTUDO a rostri apice ad basin caudse 13 unc. U lin. ; caudae .5 unc. 3 lin. 



Colour, &c.— The head and the back, and sides of the neck white, with a dis- 

 tinct tinge of yellowish grey, very faint towards the base of the bill ; the inter- 

 scapulars, rump, upper tail coverts, lesser wing coverts, secondary quill 

 coverts, and scapulars, ash-grey, tinged with yellowish grey : under parts pure 

 white ; the flanks anteriorly and posteriorly clouded with pearl-grey. The 

 outer vanes of the primary quill coverts and quill feathers, together with the 

 inner vanes of the latter near their tips, brownish red ; the outer vanes of the 

 secondary qudl feathers white towards the base, brownish red towards the 

 point, the inner vanes of these and of the primary quill feathers, except the 

 portion already particularized, pure white ; the inner vanes of the primary 

 quill coverts pearl-grey. Tail feathers pale ash-grey, changing into white on 

 the inner vanes. All the feathers exhibit a faint satin-lustre. Upper mandible 

 from base to hook dull lavender-purple, slightly tinged with lake red, base 

 of hook greenish white, tips of both mandibles livid black, the remainder of 

 the lower mandible a pale flesh colour. Legs and toes livid grey ; webs 

 lighter, with a flesh coloured tint. Eyes deep reddish brown. 



Form, &c. — Figure moderately robust, and more rounded than that of the 

 smaller species of the genus. Head considerably elevated above the bill, 

 and superiorly rounded; bill strong, somewhat subcylindrical towards the 

 base, compressed near and at the point. The nasal tube depressed, and the 

 septum, which divides it interiorly into two canals, does not quite reach to its 

 anterior extremity, hence the actual opening is entire ; the hook of the man- 



