THE BIRDS OF AUSTRALIA. 
of which a drawing by Parkinson furnished the basis for Latham’s P. marina, 
is the mouth of the Rio de la Plata, South America. Hence, I take as 
typical the birds breeding on Tristan d’Acunha, Nightingale Island, etc., and 
probably other islets in the South Atlantic Ocean. 
It has been found also breeding on the islands off the African coast in the 
North Atlantic Ocean, the Great Salvage Islands, the Canary and Cape Verde 
groups. 
A fine series from the Great Salvage show the northern form to differ in 
having a longer bill, and generally lighter coloration above, especially on the 
mantle, which is pale ashy-grey. This form should be called Pelagodroma marina 
Tiypoleuca Webb and Berthelot, as it was described from the Canaries as 
Th. hypoleuca {Hist. Nat. lies Canaries, Zook, p. 45, 1841). 
The subspecies breeding on the islets off the West Australian Coast differs 
from P. m. marina in its longer bill and its lighter mantle and back, but is a 
darker bird than the North Atlantic one. Solander describes the typical form as 
“ fusco-cinerea ” : the West Australian bird has still the fuscous tinge which 
is missing in the North Atlantic bird. This I have called P. w. dulcice. 
The East Australian subspecies is well marked in having the mantle and 
back a distinctly darker grey, with scarcely any fuscous shade. 
Another race occurs in New Zealand, which has been commonly found 
breeding at the Chatham Islands, and also at the Auckland Islands. This sub- 
species is easily differentiated from the East Australian form by having a 
shorter bill, and the mantle, sides of neck, and upper-back light brown, not 
grey. I propose to call it 
Pelagodro7na 7narina 7naoriana, subsp. n. 
One of the most interesting of the Solander descriptions is the following : — 
passerina Procellaria supra fuliginosa subtus rdvea uropygio cano, eauda nigra forficata, palma 
lutescens marginibus nigris. 
Habitat in Oceano australi Latit. austr. gr XXIX : 10 Longit. occ ; CLIX ; 20 (Sept. 19, 
1769). 
Caput supra nigricans, antice et latere albidum, area magna oculari descendente nigra. 
Collum supra f uliginose -cinereum. 
Dorsum, Scapula', Tectrices alarum fuliginosa. 
Uropygium e cinereo-canum. 
Gula, Collum subtus. Pectus, Abdomen <Ss Femora nivea. 
Crissi penna' alba', exteriores cinerascentes undulis albis. 
Ala' mediores subtus alba' 
Bemiges primores utrinque nigra' 
Cauda nigra, forficata, h.e. in medio truncata. 
Rectricibus extimis longioribus 
Rostrum nigrum, compressum, apice aduncum. 
Mandibula superior utrinque sulco profundo exarata. 
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