(). (ESTRRLATA. 411 



inner webs white : bill, tarsi, and toes black. Total length about 

 18 inches, wing 12; tail, central rectrices 5, lateral rcctrices 3"S ; 

 bill rS, tarsus I'T, middle and outer toes 2-2, inner toe 1"85. 

 Hah. Coast of Australia. 



a. (S ad. sk. Bass's Straits, Mar. 13 (1839). Gould Coll. 



(Type of the species.) 



17. (Estrelata externa. 



OEstrelata externa, Sali\ Ibis, 1875, p. 373. 



.Estrelata externa, Ridyic. Man. N. Am. Birds, p. 68 (1887). 



Adult. Upper surface greyish black, the bases of all the feathers 

 white, those of the back edged with pale grey ; the back of the neck 

 white, each feather edged with very pale grey ; wings outwardly 

 black, the larger coverts edged with greyish white ; forehead and 

 entire under surface pure white, cheeks mottled with dark grey ; 

 under wing-coverts almost to the edge of the wing and axil- 

 laries white, quills black, the bases of the inner webs white ; tail 

 greyish black, the inner webs of the lateral rectrices and the shafts 

 adjoining towards the base white : bill black ; tarsi and proximal 

 half of the toes yellow, remainder black. Total length about 16 

 inches, wing 11"5 ; tail, central rectrices 5, lateral rectrices 3"9 ; 

 bill 1-8, tarsus 1-45, middle and outer toes 1-8, inner toe 1-55. 



YowKj. Covered with brown down, whiter on the under surface. 

 This is succeeded by the fully adult plumage. 



Hah. Coast of Chili, breeding on Masafuera I. 



a. Ad. sk. Masafuera I. {Leybold). Salvin-Godman Coll. \ 



b. I'ull. sk. Masafuera I. {Leybold,). Salvin-Godman Coll. ( 



(Types of the species.) 



18. (Estrelata cervicalis. (Plate VI.) 



(Estrelata cervicalis, Salv. 76is, 1891, p. 192; Hutton, P. Z. S. 1893, 

 p. 751 ; Buller, Tr. N. Ze(d. Inst, xxvii. p. 124 (1895). 



(Estrelata, sp., Cheeseman, Trans. N. Z. Inst, xxiii. p. 224 (1891) 

 (Jide Htdto7i). 



Adult. Similar to (E. externa, but much darker on the upper 

 surface, the feathers of the back hardly showing grey edges ; the 

 under wing-coverts are less white, those of the edges of the wing 

 being mingled black and white, the primaries have less white at 

 the base of the inner web, the white portion being almost covered 

 by the longest white coverts. Total length about 19 inches, wing 

 11-5 ; tail, central rectrices 5-2, lateral rectrices 4; bill 1'7, tarsus 

 1-5, middle and outer toes 1"95, inner too 1-65. 



Hah. Kermadec Islands, South Pacific Ocean. 



a. Ad. sk. Kermadec Islinds. Capt. Carpenter [!'.]. 



(Type of the species.) 



