The Philippine Journal of Science, 



D, General Biology, Ethnology and Anthropology. 



Vol. VI, No. 4, August, 1911. 



RECORD OF A PUFFINUS NEW TO PHILIPPINE WATERS AND 

 DESCRIPTION OF A NEW SPECIES OF MICRANOUS. 



By Richard C. McGregor. 

 {From- the Section of Collection of Natural History Specimens, Biological Labor- 

 atory. Bureau of Science, Manila, P. I.) 



Puffinus chlororhynchus Gould. 



A female of this_ species of sheaTwater was captured aboard the United 

 States Army transport Crooh, July 30, 1910, off the Zambales coast, 

 Luzon. Length, 230 millimeters; extent of wings, 960. Legs and feet 

 pale bluish white, brown along the outer side ; bill dark horn-brown ; iris 

 brown. No. 13172, Bureau of Science collection. Collected by Dean 

 C. Worcester. Dr. Charles W. Kichmond of the United States jSTational 

 Miiseum has examined this specimen and agrees with my identification 

 ■of it. 

 Micranous worcesteri sp. uov. 



Type. — ~No. 7300, adult male. Bureau of Science collection. Collected 

 on Cavilli Island, Sulu Sea, Philippine Islands, September 24, 1910, 

 by Dean C. Worcester, E. C. McGregor, and A. Celestino. Bill black; 

 tarsus and toes dark, reddish brown; nails black. Length, 355 milli- 

 meters; wing, 322; tail, 120; exposed culmen, 43; bill from nostril, 31; 

 tarsus, 21 ; middle toe with claw, 38. 



- Specific characters. — This species is undoubtedly closely related to 

 M. leucocapillus Gould, but it differs in having a darker, grayer tail, and 

 somewhat longer toes. * 



ImmMure. — Large nestlings with rectrices not extending beyond the 

 toes resemble the adult in pilumage, but the forehead, cro\\Ti, and nape 

 are nearly pure white instead of ashy gray. 



Nest and egg. — The nest of Micranous worcesteri consists of a mass 

 of leaves with little or no depression for the egg, and is situated on the 

 branch of a tree. A nest is about 10 centimeters in diameter. The 

 only egg collected by us contained a dead chick and measures 46 by 27 



104558 2 183 



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