THE BIRDS OF AUSTRALIA. 
localities however are strangely apart. Recently P. gularis Peale has been 
recorded from the Bahamas, so that it may be there is an Atlantic breeding- 
form of P. gularis, in which case Brewster’s name of scalaris would be 
available. 
I am so convinced of the restricted range of these Petrels that I would not 
reduce the above names to synonymy ; but that would be the correct con- 
servative course. In favour of my views I would instance the case of 
P. ‘phcEopygia Salvin and P. sandwicTiensis Ridgway. In the Monograph 
these were lumped, but a long series of the latter has convinced Bryan 
{Occ. Papers Bernice Pauahi Bishop Mus., Vol. 4., p. 47, 1908) of their 
distinctness. But the Galapagos Islands are much closer to the Sandwich 
Islands than Alaska or New York is to 68° S. 95° W. or New Zealand. 
I have already given Solander’s description of his P. sandaliata and my 
conclusion as to its application, and now add Solander’s detailed account of 
P. crepidata : — 
crepidata Procellaria supra nigricans, subtus nivea, alia inf erne cinereis, cauda suncuneata cana. 
pedibus albis, palma nigra basi alba 
Fig. Piet. 
Habitat intra tropicos 
Mother Carey’s Pullet 
Tota avis supra e cinereo-nigricans, subtus nivea 
Frons circa rostrum albida penis parvis cinereis undulata 
Rostrum totum nigrum 
Mandihula superior apice adunca, sulco obliquo a naribus ad sinum mandibuia 
exarata 
Nares ex uno tubo seu cylindro biloculari vix tertiam rostri partem adtingenti 
Mandibuia inferior infra apicem gibba, apice parum adunca 
Oculi nigri 
Ala' longa', angusta', supra nigra', subtus e cinereo-nigricantea 
Remiges primores sensim breviores 
„ secundaria' viginti, a'quales 
Cauda subcuneata, brevis 
Rectrices duodecim cana', exterioribus paulo brevioribus apice albo irroratis 
Pena Crissi longa', alba' cauda vix breviores 
Tibia' albida', antice dilute incarnata' 
Unguis posticus niger, sessilis 
Palma nigra, basi alba 
Digitus extimus extus totus niger, intermedins & intimus articulus baseos albidus : 
Ungues nigri 
Longitudo ab apice rostri ad finem cauda' 13| unc. 
rostri lineas 12 
inter apices alarum expansarum 3 pedes 
remigis longissima' 11 unc. 
Corpus Columba' domestica' paulo majus 
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