NO. lOlfi. REVISION OF BUT0RIDE8 VIRE8CENB—0BERH0LSER. 



561 



Measurements of specimens of Butorides virescens cubanus — Continued. 



Museum and number. 



Sox. 



Localjty. 



Date. 



Collector. 



U.S.N.M., 73068.. 

 U.8.N.M., 169019. 

 U.S.N.M., 168941. 



A. N. S. Phila., 26550. 

 A. N. S. Phila., 26549. 



U.S.N.M., 60:i29 



U.S.N.M.,60:«1 



U.S.N.M., 76380 



Porto Rico . . 

 Fajardo.P.R 

 San Juan, 



P. R. 

 Porto Rico . . 



do 



do 



do 



Feb. 17,1899 

 Jan. 6, 1899 



11. Bryant . . . 

 A. B. Baker., 

 J. D.Milligan. 



G. Latimer. 



do 



do 



Guadeloupe 

 Island.W. I. 



F. A. Ober . 



WOT 



170.0 

 165.0 

 167.0 



160.0 

 172. 

 155.0 

 167. 

 169. 



mm 

 61.0 

 61.0 

 59.5 



63.5 



62.0 



62. 



59.0 



64. 



mm 

 56.0 

 52.0 

 56.0 



54.0 

 50 

 53. 

 53. 8 

 59.0 



mm 

 10.5 

 11.0 

 11.5 



11.5 

 10.5 

 11.0 

 12.0 

 12.0 



mm 

 47.0 

 48.5 

 50.0 



46.5 

 49.0 

 44.5 

 47.0 

 47.5 



mm 

 41.0 

 44.0 

 45. 



40.5 

 41.5 



.39.5 

 43.0 

 41.2 



BUTORIDES VraESCENS CHRISTOPHORENSIS, new subspecies. 



Clmrs. subs p. — In general appearance like Butorides virescens 

 hdhamensis, but bigger; and the neck and sides of head more brightly 

 fulvescent. 



Description. — Type, adult male, No. 80921, U.S.N.M.; St. Chris- 

 topher Island, West Indies; F. A. Ober; original number, 221, 

 Pileum, occipital crest, postocular region, and a short subauricular 

 streak, deep, glossy, more or less bluish, bottle green; malar stripe 

 buffy white; submalar stripe, cheeks, auriculars, sides and back of 

 neck, cinnamon rufous, slightly purplish on hind neck; upper surface 

 of body deep, somewhat bluish, bottle green, the long plume-like 

 feathers of back and scapulars glaucous and more bluish; wings fus- 

 cous, the primaries and outer secondaries dull, dark, greenish-blue 

 slate color, the innermost primaries and outermost secondaries nar- 

 rowl}'' tipped A\'ith white; tertials, outer webs of inner secondaries, 

 with all the superior wing-coverts, dark, glossy bottle green; the 

 outer scapulars on exterior webs, and the first rows of lesser wing- 

 coverts margined all around rather narrowly with tawny or ta%vny 

 ochraceous, the other rows and the median coverts with buff, the 

 greater coverts and outer webs of tertials and innermost secondaries 

 with white ; tail mostly dark, glossy bottle green ; cliin and middle of 

 upper throat white, the latter streaked medially with dull chestnut; 

 jugulum cinnamon rufous, streaked medially with paler and with 

 cream white; breast, abdomen, sides, flanks, crissum, and axillars, 

 rather light smoke gray, the longest feathers of lower tail-coverts 

 with bro^vnish slate centers; thighs smoke gray, washed with oclira- 

 ceous ; Uning of wing smoke gray, shghtly washed with ochraceous, 

 the edge of wing broadly cream white. 



Measurements. — Male:' ^Ving, 171-175 (average, 173) mm.; tail, 

 60-66.5 (63.3) ; exposed culmen, 62.5-63 (62.8) ; height of bill at base, 

 11.5-12 (11.8); tarsus, 51-54 (52.5) ; middle toe, 42.5-47 (44.8). 



» Two specimens, from St. Christopher Island, West Indies. 

 20441°— Proc.N.M.vol.42— 12 36 



