106 
NISUS GUTTATUS. 
Sparvius guttatus Vieill. N. D. x, 1817, 325.— Puciier. R. Z. 1850, 13. 
Accipiter guttatus Strickl. Orn. Syn. i, 1855, 110.— Scl. & Salv. Ex. Orn. xi, 1869, 
169, i?0, pi. lxxv : Nom. Neotr. 1873, 120.— Gray, Haud List, i, 1869,33.— 
Sharpe, Cat. Acc. B. M. 1874, 152. 
Esparvero pardo y goteado Azara, Pax. Par. i, 1802,113. 
Eab. —Paraguay aud Bolivia. 
“ Male (nearly adult).—Above slaty grey, tbe head blackish, the nape 
varied with white; wings dull brown, the quills barred with darker 
brown, the interspaces ashy white below, so that the cross bars are more 
distinct, inner secondaries slaty grey like, the back; tail ashy brown, 
narrowly tipped with white, and crossed with four bars of darker brown, 
lower surface ashy white, the bars more distinct except on outermost 
feather, where nearly obsolete; throat white, tinged with, rufous, the 
feathers narrowly centered with black shaft lines ; rest of under surface 
pale fawn-rufous, the thighs a little deeper-coloured, the breast mottled 
with w r hite spots and half-bars; the sides of the face aud neck clear 
slaty grey, the sides of the upper breast washed with the same colour; 
under tail-coverts white, with a few subterminal rufous spots; under 
wing-coverts and axillaries entirely pale rufous like the breast. Total 
length 15.2 inches, culmen .6, wing 8.5, tail 6.8, tarsus 2.4. 
u Adult female .—Similar to the male but larger. Total length IS 
inches, wing 10.5, tail 8.5, tarsus 2.65.” 
u Hal). —Paraguay and Bolivia.”— (Sharpe, l. e.) 
NISUS CHILENSIS. 
Accipiter chilensis Piiilippi & Laxdb. Arch. f. Rating. 1864, 43.—Scl. P. Z. S. 1867> 
329.— Scl. & Salv. Ibis, 1868, 187 (Sandy Pt., Str. Magellan ; Peb.); Ex- 
Orn. y, 1868, 73, 170, pi. xxxvii (adult aud youug); xi, 170 ; Nom. Neotr. 1873, 
120.— Gray, Hand List, i, 1869, 33.— Sharpe, Cat. Acc. B. M. 1874,155. 
Nisus chilensis Giebel, Thes. Orn. 1872, 263. 
Accipiter cooperi Pei.z. Orn. Nov. 1865, 13 (uot of Bonap.). 
Hal ).—Chile (Nat. Mus.) ; Straits of Magellan (King). 
Wing, 8.25-9.90 ; tail, 7.65-8.50; culmen, 0.50-0.70 ; tarsus, 2.25-2.65 ; 
middle toe, 1.40-1.70. Fourth and fifth quills longest; first shortest; 
outer five with inner webs emarginated. Tail slightly rounded. 
Adult female (specimen in Mus. Philad. Acad.*)Above, sooty slate- 
color, darker anteriorly; tail narrowly tipped with white, and crossed 
with five or six bands of black. Tibite plain rufous; crissum immacu¬ 
late white; other lower parts except throat barred or transversely 
spotted with umber-brown, these markings tinged with rufous and 
slate-color, and connected by dark shaft-streaks. Wing, 9.65; tail, 8.50; 
culmen, 0.70; tarsus, 2.50; middle toe, 1.70. 
Young male (No. 32,978, Nat, Mus.)Above, dark grayish-sepia, grow¬ 
ing gradually darker anteriorly; all the feathers with terminal bor¬ 
ders of rusty-ochraceous, these whiter on the ends of the secondaries; 
scapulars, larger wing and upper tail-coverts with concealed white spot 
ting. Occipital feathers white, with terminal cuneateor tear-shaped spots 
of brownish-black, but the white mostly concealed. Nuchal feathers 
light tawny-ochraceous, similarly but more broadly marked. Tail gray¬ 
ish-brown/narrowly tipped with white, and crossed by five bands of 
dusky black, about as wide as the brown interspaces. Lower parts 
white, tinged with ochraceous-yellow on the breast, and with dilute 
* This specimen is labeled, in Mr. Cassia’s handwriting, 
l F. 
linncei, nobis”. 
