410 PUFFINID^. 



Rhantistes unicolor, Bp. Compt. Rend. xlii. p. 768 (1856). 

 Pterodroma niacroptera, Bp. t'onsp. Av. ii. p. 191 (1865) (wee Smith) ; 



id. Comjyt. Rend. xli. p. 191, xlii. p. 768. 

 ^strelata grisea, Coues, Pr. Ac. Phil. 1866, pp. 148, 170 ; Gigl. ^ 



Salvad. Ibis, 1869, p. 66. 

 Fulmavus griseus. Gray, Hnnd-l. iii. p. 107 (1871). 

 ^strelata kidderi, Coues, Forest Sf Stream, Aug. 19, 1875 ; id. Bull. 



U.S. Nat. Mm. no. 2, p. 28 (Nov. 1875) ; Kidder, Bull. U.S. Nat. 



Mus. no. 3, p. 15 (1876). 

 Procellaria mollis, Cab. ^ Reich. J.f. Orn. 1876, p. 329. 

 (Estrelata bre-virostris, Salv. in Roxoleifs Orn. Misc. i. p. 235 ; id. 



P. Z. S. 1878, p. 738 ; id. Voi/.'Chall.;'Zool. ii. pt. viii. p. 145 (1881) ; 



Sharps, Phil. Trans, clxvii'i. p. 124 (1879). 

 iEstrelata brevirostris, Ridgiu. Man. N. Am. Birds, p. 66 (1887). 



Adult. Slaty-grey, nearly uniform, smaller wing-coverts brownish 

 with grey edges, quills and tail darker grey ; under surface a little 

 paler ; under wing-coverts grey, with dark shafts : bill black ; tarsi 

 and toes dusky. Total length about 14'5 inches, wing 10 ; tail, central 

 rectrices 4*1, lateral rcctrices 3'15 ; bill 1'4, tarsus 1*42, middle and 

 outer toes 1*8, inner toe 1"46. 



Younr/. Covered with brown down, which is replaced by the grey 

 feathers of the adult. 



JIab. South Atlantic and South Indian Oceans. 



a-c. Ad. sk. Christmas Harbour, Ker- Antarctic Exped. 



guelen Land. 



d, e. Ad. sk. Kerguelen Land. Lt.-A. Smith [P.]. 



/• 6\ {/■ ? ad. sk. Christmas Harbour, Ker- Dr. R. McCormick 



guelen Land, July 15, [P.]. 



1840. 



h. 2 ad. sk. Christmas Harbour, July 15, Salvin-Godman Coll. 



1840 [R. McCormick). (Type of P. uni- 

 color, Gould, MS.) 



/. 5 ad.sk. Royal Sound, Kerguelen Transit of Venus Exp. 



Land (A. E. Eaton), 



j. Pull. sk. Kerguelen Land. Voy. H.M.S. ' Chal- 

 lenger.' 



k. Ad.sk. Tristan d'Acunha. Capt. Carmichael[P.]. 



16. (Estrelata solandri. 



Procellaria melanopus, Natt. nee Gm. (fide Gould). 



Procellaria solandri, Gould, P. Z. S. 1844, p. 57 ; id. Ann. S^ Mag. N. 



H. 1844, xiii. p. 353 ; Gray, Gen. B. iii. p. 648 (1844). 

 Cookilaria solandri, B^). Compt. Rend. xl. p. 190 ; id. Cojisp. Av. ii. 



p. 190 (1855). 

 Pterodroma solandri, Gould, Sandb. Birds Austr. ii. p. 450 (1865). 

 .Estrelata solandri, Copies, Pr. Ac. Phil. 1866, pp. 148, 170 ; Gigl. ^ 



Salvad. Ibis, 1869, p. 66. 

 Fulmarus solandri. Gray, Hand-l. B. iii. p. 107 (1871). 



Adult male. Dark grey, head dark brown, back and wing-coverts 

 edged with dark brown ; face and whole under surface greyish 

 brown, the half-concealed bases of the feathers pure white ; under 

 wing-coverts dark greyish brown, the quills black, the bafles of the 



