Ollier specimens examined. —In nuis. Acad. Nat. Sci., Philadelphia, 18; American Mas., 
New York, 3; Boston Hoc. N. H., 4 ; Mas. Comp. Zodl., Cambridge, 3; G. N. Lawrence, 
9; W. S. Brewer, 1; L. Jouy, 1; C. E. Aiken, 1; S. F. Baird, 0; R. Ridgway, 7. Total 
number of specimens examined, 128. 
Collectors’ notes on color of eyes, etc., including fresh measurements (National Museum speci¬ 
mens). 
No. 4352: length, 18.00 ; extent, 31.00. 
No. 5163: length, 17.00; extent, 29.25; iris light yellow. 
No. 5164 : length,-?; -extent, 30.50; iris light yellow. 
No. 5578: length, 18.25; extent, 25.00. 
No. 5579: length, 15.00; extent, 24.00. 
No. 5846: length, 19.00; extent, 30.00. 
No. 11791: leugth, 15.00 ; extent, 23.00. 
No. 12024: leugth, 17,00 ; extent, 29.00. 
No. 17206: length, 16.00 ; extent, 27.00. 
No. 17207 : length, 17.00; extent, 29.00. 
No. 17208: length, 17.00; extent, 29.00. 
No. 17209 : length, 16.00 ; extent, 28.20. 
No. 46621: length, 17.00; extent, 30.50 ; bill pale blue at base, growing gradually 
black at end ; cere greenish-yellow ; iris bright orange-red ; tarsi and toes lemon-yellow. 
No. 46622: length, 19.00; extent, 33.50. 
NISUS GUNDLACHI. 
A star cooperi Lembeyb, Aves de la Isla de Cuba, 1850, 17.— Cabanis, Journ. flir Orn 
Nov. 1854,—. 
Accipiter cooperii Brewer, Pr. Boston Soc. Nat. Hist. 1860, p.—. 
Nisus pileatus Lemb. Av. Cuba, Supplement, p. 125. 
Accipiter pileatus Brewer, Pr. Boston Soc. Nat. Hist. 1860, p.—. 
Accipiter mexicanus Brewer, Pr. Boston Soc. Nat. Hist. 1860, p.—. 
Accipiter gundlachi Lawrence, Ann. Lyc. N. Y. May, 1860, 252.— Gundlach, Repert. 
1865, 224.— Scl. & Salvin, Exotic Orn. xi, 1869, 170 : Nom. Neotr. 1873, p. 120.— 
Gray, Hand List, i, 1869, 33, No. 319.— Sharpe, Cat. Acc. Brit. Mus. 1874, 137 
(foot-note). 
Nisus cooperi var. gundlachi Ridgway, B. B. & R. Hist. N. Am. Birds, iii, 1874, 22 
Hob .—Cuba (Nat. Mus.). 
Diagnosis .—Adult male “ Front, crown, and occiput sooty black ; 
upper plumage dull bluish ash, the leathers ol the back with brownish 
margins; tail of the same color as the back, partly tinged with dull 
rufous, and crossed with four brown bars, three of which are imperfect, 
being but little developed on the outer webs; the outer bar, however, 
crosses both webs and is narrowly tipped with white. Quill feathers 
brown, having their shafts, as are also those of the tail feathers, red¬ 
dish-brown ; cheeks dusky ash; space forward of the eye pale dull 
rufous ; a line of whitish feathers runs along the edge of the crown and 
extends over the eye; throat ashy-white, tiuged with rufous; sides of 
the neck, upper part of the breast, and a baud running to the hind- 
neck grayish-ash ; lower portion of the breast and upper part of the 
abdomen rufous, the feathers very narrowly edged with dull white ; 
lower part of the abdomen of a pale rufous, with transverse bars of dull 
white. Long feathers of the sides grayish-ash tinged with rufous and 
destitute of bars or spots; sides, just above the junction of the tail, 
plain rufous; thighs of a bright but rather pale rufous, the feathers 
having darker submarginal ends, terminating with very narrow edgings 
of dull white; under wing-coverts and axillars bright rufous barred with 
white. The feathers of the throat, breast, and sides have their shafts 
dark brown; upper tail coverts grayish ash, lower white; bill horn-color, 
with a whitish mark on the tooth and also on the edge of the lower 
mandible near its base; legs greenish-yellow.”* 
“ Length about 18 inches; wing from flexure 9|; tail ; tarsus 2^.”— 
(Lawrence, l. c.) 
' Dr. Gundlach (Lawrence, l. c. p. 7) adds :—Cere and cheeks (i. e. orbits ?) greenish- 
yellow ; feet pale yellow with a greenish hue ; iris red ; length 0.457 ; extent 0.807. 
