364 PEOCELLARIID^. 



7. PEALEA. 



Type. 

 Pealea, Ridgw. Auk, iii. p. 334 (1886) ; id. Man. N. Am. 



Birds, p. 56 (1887) P. lineata. 



Range. Certain islands of the Central Pacific Ocean. 

 1. Pealea lineata. 



Thalassidroma lineata, Peak, U.S. Expl. Exp. viii. pp. 293, 337, 

 pi. 79 (1848) ; Cassin, U.S. Expl. Exp. viii. ed. 2, p. 403, pi. 59 

 (1858) ; Grail, Cat. Birds Tro2). Isl. Pac. p. 57 (1859) ; Finsch Sf 

 Hartl. Orn. Centralp. p. 241 (1867) ; Layard, P. Z. S. 1876, p. 498. 



Oceanites lineata, Bp. Consp. Av. ii. p. 200 (1856) ; id. Compt. 

 Rend. xlii. p. 769(1856) ; Coues, Pr. Ac. Phil. 1864, pp. 83, 91. 



Pealea lineata, Ridgio. Auk, iii. p. 334 (1886). 



" Male. Head, neck, breast, and entire upper parts, except the 

 upper tail-coverts, dark fuliginous, nearly black on the head above 

 and back, lighter on the breast ; upper tail- coverts white, every 

 feather having a longitudinal and terminal line of dark fuliginous ; 

 feathers on the throat white at base ; greater inferior wing- 

 coverts light ashy or nearly white ; tail-feathers white on their 

 inner webs for about half their length ; outer webs and terminal 

 half of both webs dark fuliginous. Bill and legs, including tlie toe- 

 merabranes, blue-black, without spots ; irides dark brown."' (Cassin.) 



Hah. Upolu Island. 



The above is Cassin's description of Peale's type, now in the 

 United States National Museum. There is another specimen in the 

 Paris Museum. 



8. CYMODROMA. 



Type. 

 Fregetta, Bp. Compt. Rend. xli. p. 1113 (1855); id. 

 Consp. Av. ii. p. 197 (1856) (nee Fregata, Briss., 

 Cuv.^c.) ; Coues, Pr. Ac. Phil. 1864, -p. 85 ; Forbes, 



Voy. Chall., Zool. iv. pt. xi. p. 56, &c. (1882) C. melanogaster. 



Cymodroma, Ridyxv. in Baird, Brewer, S^- Ridcjto. 

 ' Water-Birds N. Am. ii. p. 418 (1884) ; id. Man. 

 N. Am. Birds, p. 71 (1887) C. melanogaster. 



Mange. Oceans of the Southern Hemisphere. 



Key to the Sjyecies. 



a. Smaller (wing about 7 inches); tail nearly even. 



a'. Middle of the abdomen sooty-black melanogaster, p. 364. 



b'. Abdomen wholly white grallaria, p. 366. 



h. Larger (wing about 8 inches) ; tail deeply 

 forked, 

 c'. Throat, abdomen, and a narrow band across 



the rump white albigularis, p. 367. 



d' . Entire plumage sooty-black mastissima, p. 367. 



1. Cymodroma melanogaster. 



?? Procellaria fregatta, Kuhl, Beitr. p. 138 (1820). 

 Procollaria grallaria, Licht. Verz. Doubl. p. 83 (fide Sharpe). 

 Procellaria oceanica, Bp. Znol.Journ. iii. p. 89 (nee Kuhl) {fide Sharpe). 

 Thalassidroma melanogaster, Gould, Ann. ^- Mag. N. II. 1844, xiii. 



