6. (ESTRELATA. 405 



no adult specimens in the British Museum, but some are to bo found 

 in that of the Jardin des Plaiites iu Paris. Mr. Layard's specimens 

 are in down, and their determination is quite uncertain. 



rt, 6. I'uU. sk. Wodin Pass, New Caledonia, March 11, Seebohm Coll. 

 1877 (-E. L. Layanl). 



7. (Estrelata parvirostris. 



Procellaria parvnrostris, Peak, U.S. Expl. Exp. viii. pp. 298, 338, 



pi. 83 (1848) ; Cass. U.S. E.cpl. E.vp. p. 411 (1858) ; Hiitton, Ibis, 



1867, p. 188. 

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

 Procellaria (/Estrelata) parvirostris, Gr«j/, Cat. Birds Trop. Is. Pac. 



p. 56 (1859). 

 Estrelata parvirostris, Coues, Pr. Ac. Phil. 1866, pp. 146, 170; Gigl. 



4" Salvad. Ibis, 1869, p. 66 ; Ridgio. Man. N. Am. Birds, p. 64 



(1887). 

 CEsti-elata parvirostris, Lister, P. Z. S. 1891, pp. 295, 300. 



Adult male. Sooty-black, throat and anterior portion of the neck 

 rather paler, the bases of the feathers white ; Hanks and under 

 wing-coverts and quills sooty-black ; under tail-coverts white, the 

 lateral feathers mottled with sooty-black : bill black ; tarsi and 

 proximal half of the toes and webs yellow, distal portion of the 

 two latter black. Total length about 15 inches, wing 10*5 ; tail, 

 central rectrices 4-25, lateral rectrices 3'45 ; bill 1"5, tarsus 1'3, 

 middle toe 1'7, outer toe a little shorter, inner toe 1*45. 



Hah. Central Pacific Ocean. 



a. S ad. sk. Canton I., Plicenix Group, July J. J. Lister, Esq. 



1889 (J. J. L.). [P.]. 



b. $ ad. sk. Canton I., Phcenix Group, July 2 SeeDohm Coll. 



(/. J. Lister). 



8. (Estrelata incerta. 



-Estrelata inexpectata, Bp. Consp. Av. ii. p. 189 (1855) {nee Forst.). 



(Estrelata inexpectata, Bp. Compt. Rend. xhi. p. 768 (1856). 



Procellaria incerta, Schl. Mus. P.-B., vi. Procell. p. 9 (1863). 



Estrelata incerta, Coues, Pr. Ac. Phil. 1866, pp. 147, 170 ; Gigl. ^ 

 Salvad. Ibis, 1869, p. 66 ; Giql. Distr. Fauna Vert. Oceana, p. 41 

 (1870) ; id. Viagg. ' Magenta,'' pp. 94, 106, 975 (1875) ; Ridgio. 

 Man. N. Am. Birds, p. 64 (1887;. 



CEstrelata incerta, Buller, B. New Zeal. ed. 2, ii. p. 220 (1888), 



Adult male. Upper surface brown, darker on the rump, paler on 

 the back of the neck, the feathers of the back and the wing-coverts 

 edged with a paler shade ; sides of the neck and breast pale 

 greyish brown, the middle of the throat nearly white ; flanks, 

 under tail-coverts, under wing-coverts, axillarics, and quills dark 

 brown : bill black, tarsus and proximal half of the toes and webs 

 yellow, remainder of the latter blackish. Total length about 17'5 

 inches, wing 12'5 ; tail, central rectrices 5'5, lateral rectrices 4*2 ; 

 bill 2, tarsus 1-7, middle and outer toes 2-4, inner toe 2. 



Hab. South Atlantic Ocean, near the Cape of Good Hope. 



