FAMILY PROCELLARIIDAE 4I 



to 204 mm., which places them within the size range of typical 

 Iherminieri. 



Dr. W. H. Phelps writes me that specimens in the Phelps Collec- 

 tion, taken at their breeding burrows on Gran Roque, in Islas Los 

 Roques, and others secured at sea near Orchila, in Islas Los 

 Hermanos, have wing lengths of 189 to 192 mm. and so agree with 

 loyemilleri. Another record to be referred to this race is that of a 

 specimen in the American Museum of Natural History with a wing 

 measurement of 186 mm. taken at sea 100 miles (160 kilometers) off 

 the coast of British Guiana on December 2, 1931. 



Enrico Festa secured an Audubon's shearwater on board ship in 

 May 1905 at a point "300 miles" out from the port of Colon 

 (Salvadori and Festa, Boll. Mus. Zool. Anat. Comp. Univ. Torino, 

 vol. 14, no. 339, 1899, p. 13). As no measurements are available 

 the race of this bird is not known. 



PUFFINUS LHERMINIERI SUBALARIS Ridgway 



Piiffinus subalaris Ridgway, Proc. U. S. Nat. Mus., vol. 19, Mar. 15, 1897, 

 p. 650. (Dalrymple Rock, Chatham Island, Galapagos Archipelago.) 



Characters. — Similar to P. I. loyemilleri of the Caribbean, but with 

 more dark feathers on the flanks, and shorter tail, 68 to 71.8 mm. 

 as compared to 80.7 to 88.5 mm. for the other form. 



Measurements (from Murphy, Oceanic Birds S. Amer. vol. 2, 

 1936, p. 667).— Sexes alike (10 specimens), wing 189-203 (194.8), 

 tail 68-75 (71.8), exposed culmen 24.7-29 (27.7), tarsus 34-37 (36) 

 mm. 



Recorded as a visitor. Apparently wanders regularly to the south- 

 ern area of the Gulf of Panama. 



There are sight records by Murphy (Fish and Wildl. Serv. Spec. 

 Rep. Fisheries no. 279, 1958, p. 104) who recorded many November 

 24-25 and November 30-December 1, 1956. Robins (Condor, 1958, 

 p. 300) reported them (under the specific name P. Iherminieri) on 

 July 21, 22, and 23, 1957, from 30 to 40 kilometers southwest of 

 Bahia Pinas, These sight records appear to be validated by a female 

 taken by Horace Loftin at Bahia Pinas, Dec. 20, 1964. There is also 

 a specimen in the U. S. National Museum collected by Charles Fagan 

 on the S. S. Santa Elisa while approaching Balboa, about 290 kilome- 

 ters to the southwest. This would be near lat. 60° 30' N., about 

 opposite the Gulf of Cupica on the northwestern coast of Choco, 

 Colombia, and about 80 kilometers south of the Choco-Darien 

 boundary. 



