PROCELL ARIIDA5. 
121 
Pterodroma heraldica paschae Lonnberg. 
Pterodroma (JEstrelata) heraldica pasclue Lonnberg, in Skottsberg, 
Nat. Hist. Juan Fern., Easter Island, vol. iii. p. 23, 1920: Easter 
Island. 
Distr .—Easter Island. 
Pterodroma siliga Math. 
Pterodroma siliga Mathews, Bull. Brit. Orn. Club, vol. xlvii. (for 
Oct.) 1920 : new name for agilis Mathews, 1912, not Gray, 1871. 
Locality: lat. S. 36° 49', long. 111° 30'. 
Procellaria agilis Mathews, Birds Austr. vol. ii. p. 152, 1912: south of Easter 
Island. Not Gray, as p. 118 (before). 
Distr .—Seas of Easter Island. 
Pterodroma velificans (Math.). 
Procellaria velificans Mathews, Birds Austr. vol. ii. p. 101, 1912: 
south of Easter Island. 
Distr .—Well south of Easter Island. 
Pterodroma externa (Salv.). 
Distr .— Kermadec to Juan Fernandez Group, Chili. 
[Pterodroma externa externa Salvin. (25-411.) 
(Estrelata externa Salvin, Ibis, July 1875, p. 373: Mas-a-fuera, of the 
Juan Fernandez Group. Extra-limital.] (Fig. Godman, Monogr. 
Distr . — Juan Fernandez Group (breeding). 
Pterodroma externa cervicalis (Salvin). (25-411.) 
(Estrelata cervicalis Salvin, Ibis, April 1891, p. 191 : Kermadec 
Islands. (Fig. Buller, Suppl. pi. 4 ; Godman, Monogr. pi. 03; 
Cat. Birds, xxv.pl. 0.) 
Distr .—Kermadec Islands (breeding). 
Genus .ESTRELATA Bp. 
Estrelata Bonaparte, Comptes Rendus Acad. Sci. Paris, vol. xlii. 
p. 708, May 1850. Type (by subsequent designation, Coues, Proc. 
Acad. Nat. Sci. Philad. p. 137, 1800) : Procellaria kcesitata Kuhl. 
iEstrelata lessonii (Garnot). 
Distr .—South Indian and Atlantic Oceans to Australia and New 
Zealand. 
[Estrelata lessoni lessoni (Garnot). (25-401.) 
Procellaria lessonii Garnot, Ann. Sci. Nat., Paris, vol. vii. p. 54, 
1820 : Falkland Island Seas. Extra-limital.] 
Distr .—South Indian and Atlantic Oceans (breeding, Kerguelen 
Island). 
