Okdbe ANSEEES.] [Fam. PEOCELLAEIID^E. 



PEOCELLAEIA GLACIALOIDES. 



(SILVERY-GREY PETREL.) 



Procellaria glacialis, var. /3, Gm. Syst. Nat. i. p. 563 (1788). 



Procellaria tenuirostris, Aud. Orn. Biogr. v. p. 333 (1839). 



Priocella gamotti, Hombr. & Jacq. Voy. Pole Sud, iii. p. 148, pi. 32. figs. 43-56 (1844). 



Procellaria glacialoides, Smith, 111. Zool. S. Afr. pi. li. (1849). 



Thalassoica tenuirostris, Bp. C. E. xlii. p. 768 (1856). 



Thalassoica polaris, Bp. C. B. xlii. p. 768 (1856). 



Procellaria smithi, Schl. Mus. Pays-Bas, Proc. p. 22 (1863). 



Fulmarus glacialoides, Gray, Hand-1. of B. iii. p. 105 (1871). 



Ad. supra dilute argentescenti-cinereus : pileo undique et corpore subtus toto albis : pectoris lateribus dorsi 

 colore lavatis : primariis extus nigricanti-brunneis, intus albicantibus : rostro albicanti-corneo, carnoso 

 tincto, nigro apicato, culmine ad basin cyanescente : pedibus camoso-cinereis, digitis exterioribus 

 externe saturatioribus : palmis pallide flavis : iride brunnescenti-nigra. 



Adult. Hind part of neck, back, and all the upper surface, as well as the sides of the breast, delicate 

 silvery grey ; the rest of the plumage pure white ; primaries blackish brown on their outer, and greyish 

 white on their inner webs ; tad-feathers delicate sdvery grey. Irides brownish black ; bill whitish 

 horn-colour, with a tinge of pink, the ridge as far as the opening of the nostrds bluish, the tips of both 

 mandibles black ; legs and feet pinkish grey, darker on the joints and along the edges of the outer 

 toes ; the interdigital webs pale yedow, and the claws brown. Total length 19'5 inches ; extent ot 

 wings 43 - 5 ; wing, from flexure, 13 ; tail 6 ; bdl, fodowing the curvature of upper mandible 2, along 

 the edge of lower mandible 1*75 ; tarsus 2 ; middle toe and claw 3. 



There are several instances recorded of the occurrence of this beautiful Petrel on the New- 

 Zealand coast ; and the above description is taken from a fine example which I picked up, in a 

 dying state, on the sea-beach near the mouth of the Turakina river, and afterwards presented to 

 the Colonial Museum. 



The late Sir Andrew Smith, who was the first to discriminate the characters which dis- 

 tinguish this species from Procellaria glacialis, informs us that it is common on the South- 

 African coasts, and frequently enters the bays — also that it flies higher above the surface of the 

 water than the last-named bird, and rests more frequently. 



