NO. 1116. 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



579 



Measurements of PjirocephalKs ahinf/doni. 



Num- Collec 

 ber. tlon. 



116134 

 116135 

 135098 

 135699 

 135700 

 149802 

 149803 

 149801 

 149804 

 149805 

 149806 

 149807 



U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 



Sex and age. 



Adult male 



do 



do 



do 



do 



do 



do 



Immature male. 

 Adult female . .. 



do 



do 



do 



Locality. 



Abingdon Island. 



do 



do 



do 



do 



-do. 

 -do. 

 -do. 



-do. 

 -do. 

 do. 



Date. 



Apr. 16, 1888 



do 



do 



do 



do 



do 



do 



do 



do 



do 



do 



do 



Wing. 



(2. .55) 



(2. 60) 

 (2.55) 



(2. 50) 

 (2.48) 

 (2. 45) 

 2.45 



2.45 



Tail. 



(2. 10) 



(2. 13) 



2.20 

 2.00 

 (1.95) 

 2.17 



2.12 



Ex- 

 posed 



cul- 

 men. 



0.48 

 .45 

 .45 

 .48 

 .45 

 .45 

 .48 

 .48 

 .50 

 .47 

 .49 



Tar- 

 sus. 



0.75 

 .73 



.77 

 .76 

 .72 

 .70 

 .75 

 .72 

 .74 

 .70 

 .70 

 .74 



Mid- 

 dle 

 toe. 



0.42 

 .41 

 .42 



.43 

 .44 



.45 

 .42 



PYROCEPHALUS DUBIUS, Gould. 



Pyroceplialm diibius, Gould, Zool. Voy. Beagle, Bird-s, 1841, p. 46 (Galapagos 

 Archipelago).— RiDGWAY, Proc. U. S. Nat. Mus., XVII, 1894, p. 368 (Chat- 

 ham Island; descriptions, synonymy, etc.). 

 rijrocephahis nanus (nee Gould), Auctoruji, part. 



Pyrocephalus minimns, Eidgway, Proc. U. S. Nat. Mus., XII, No. 767, Feb. 5, 1890, 



p. 113, in text (Chatham Island, Galapagos Archipelago ; collection U. S. Nat. 



Mus.)- 



Specific characters. — Decidedly smaller than P. nanus, Gould, and 



otber Galapagoau forms; adult male with lower parts con.spicuously 



paler and duller red than pileum; back, etc., lighter and browner 



than in other forms ; adult female with conspicuous superciliary stripe 



and under parts deep ochraceous-buff, the throat paler, but scarcely 



approaching- white. 



EcuKje. — Galai)agos Archipelago : Chatham Island (Darwin?, Town- 

 send, Baur and Adams). 



Adult male. — Xo. 72, collection of Dr. G. Baur; Chatham Island, June 

 18, 1891. Entire pileum glossy dark vermilion, exactly as in other 

 forms ; lower i)arts pale scarlet, deepest on breast, much paler on throat, 

 and still more so on chin, which inclines to reddish white. Lores, ear 

 coverts, and upper i)arts in general deep brown (intermediate between 

 "seal" and " clove"), decidedly lighter and browner than in other forms; 

 tips of wing-coverts, edges of secondaries, and whole of outer tail- 

 feathers paler, more grayish, brown. Length (skin), 4.35; wing, 2.23; 

 tail, 1.90; exposed culmen 0.38; tarsus, 0.65; middle toe, 0.35. 



JSfearltj adult male. — Specimen marked '' B," collection of Dr. G. Baur ; 

 Chatham Island, June 16. Much like the fully adult male, as described 

 above, but red of pileum paler and mixed with many partly brown feath- 

 ers, that of under parts very much paler (deep salmon color, very much 

 paler on chin and throat), and upper parts decidedly lighter warm 

 grayish brown. Wing, 2.28; tail, 2.05; exposed culmen, 0.36 j tarsus, 

 0.65 ; middle toe, 0.35. 



Adult female. — Xo. 63, collection of Dr. G. Baur; Chatham Island, 



