1 62 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



The only markings above diverging from black are on the scapulars. 

 These are generally black, but the inner ones are grey on their inner 

 webs and edged with white. Below the white is practically immaculate, 

 there being a slight grey shading on the sides of the neck, and an almost 

 imperceptible shading on the sides of the breast and flanks. 



Bill black. 



Tarsi and feet black. 



Iris dark hazel. 



Geographical Range. — Seas about Cape Horn, 

 and Australia and New Zealand. 



The Falkland Islands 



Fig. I02. 



Pelecanoidcs urinatrix. From material in the British Museum. Wing. Natural size. 



The description is based on the material in the British Museum of 

 Natural History as the Diving Petrel was not procured by the Princeton 

 Expeditions to Patagonia. 



These petrels are so widely different in their general habits from those 

 of other genera, that I quote from Charles Darwin (Voy. " Beagle," Birds, 

 p. 138) whose comments make a vivid picture of the birds in life; under 

 the heading of Pe/ecafioides berardi he writes : 



"This bird is common in the deep and quiet creeks and inland seas of 

 Tierra del Fuego, and on the west coast of Patagonia, as far north as the 

 Chonos Archipelago. I never saw but one in the open sea, and that was 

 between Tierra del Fuego and the Falkland Islands. This bird is a 



