PROCELLARIIDJi. 187 



Puffinus, sp. d. 



Of rather larger size thun the preceding form. 

 Hah. Bermuda. 



8738-40. The imperfect right and left humerus, the distal portion 

 of the left ulna, and two specimens of the imperfect right 

 metacarpus ; from superficial deposits at Bermuda. 



Mantell Collection. Purchased, 1838. 



Genus OSSIFRAGA, Homhron & Jacquinot '. 



The following osteological characters distinguish this genus from 

 Dlomedea. The beak is moderate, with the nares large, slit-like, 

 separated by a narrow bar, and situated midway between the tip 

 of the beak and the lachrymal ; an oval vacuity in the oral surface of 

 the premaxilla\ The talon of the tarso-metatarsus has the inner 

 groove converted into a tube. There is a foramen in the superior 

 surface of the carina of the sternum. 



©siiStfraga gtgantta (Gmelin '). 



Syn. Procellaria gigantea, Gmelin '. 



The type and only described species. Length of skull 0,170. 



Hah. Pacific. 



T)ie folhnv'inij specimens were ohtained from the superficial deposits 

 of \Vain(/0)h/oro, North Island ; and were purchased from 

 WaUtr Mantell, Esq., about 1855. 



A. 131. Three specimens of the imperfect extremity of the cranial 

 rostrum. These specimens exhibit the anterior border of 

 the nares, and the characteristic oval vacuitj- on the oral 

 surface of the premaxillse immediately behind the hook of 

 the beak. 



32175. Three specimens of the left coracoid, wanting the posterior 

 portion of the sternal expansion. 



32175 a. The imperfect right coracoid. 



32178. The right scapula. 



32175 b. Two specimens of the anterior portion of the sternum. 

 The least imperfect one shows the characteristic foramen 

 in the superior surface of the upper part of the carina, 



' Comptes Eendus, vol. xviii. p. 356 (1844). 

 = Syst. Nat. vol. i. p. .^fiS (1788).— Proreftaria. 

 ^ Loc. cit. 



