h. Ridgway— Relation between Color, ete., in Birds. 39 
Art. IV.—On the relation between Color and Geographical Dis- 
tribution in Birds, as exhibited in Melanism and Hyperchrom- 
wm; by RoBert Rip@way. 
(Continued from vol. iv, page 460.) 
B 
[o) 
anes 
Eh 
O 
Qu 
oy 
i] 
ee 
— 
fen 
et 
= ay 
ras) 
co) 
o 
gg 
— 
° 
=} 
wm 
4 
om, 
— 
ie) 
ES 
4 
fa) 
= 
© 
<4 
oO 
F 
oa 
ct 
2) 
=) 
i 
) + (eastern coast, 
from Mirador to Honduras), in which the red is altogether 
deeper than in the northern forms (var. Virginianus and var. 
wgneus).t§ In the case of Pyranga estiva, Central American 
° 
“> 
o 
io) 
et 
wey 
%. 
=) 
TR 
a 
7) 
oO 
ia) 
nd 
oO 
=} 
st 
3 
al 
° 
ie) 
| 
ia) 
a 
pS] 
B 
= 
— 
B 
= 
A 
. CARDINALIS VIRGINIANUS Var. CARNEUS. 
ardinalis carneus Less., Rev. Zool., 1842, 209 (Acapulco et Relego).—Bonap. 
Oardinnds fae (Female.) 
inalis oni Bonap., Consp., p. 209. (Young Male. 
~yee West Coast of middle America, from Colima to Realejo. 
t ARDINAL GINIANUS Var. COCCINEUS. 
Cardinalis Virginianus var. coccineus Ridgway. 
ee Atlantic coast of middle America, from Xalapa to Honduras; Yucatan. 
t ARDINALIS VIRGINIANUS Var. IGNEUS. de Zena 
ird, Pr. A. N. &., 1859, 305 (Cape St. Lucas) 
~~ Cape St. Lucas, ’ Arizona, and western Mexico, south to the Tres. 
as ds 
ari 
va § = 18 somewhat remarkable that in these southern races (including var. igneus, 
trictea nthe feature is most exaggerated) the black before the eye is much res- 
regim and does not cross the forehead (except sometimes very narrowly) as in 
i oes var. Virginianus. 
ARPODACUS FRONTALIS var. HEMORRHOUS. 
Fringilla hemorrhoa Wagl., Isis, 1831, 525.—Carpodacus hem. Scl., P. Z. 8., 
re p. 304; 1858, 303; 1859, 380.—Cat. Am. B., 1862, 122.—Baird, 
417 
- N. Am., 1858, 417. 
< ub. Table-lands and elevated regions of Mexico. 
DACUS FRONTALIS var. RHODOCOLPUS. : 
x pedacus rhodocolpus Caban., Mus. Hein., p. 166.—Scl., P. Z.S., 1856, 304; 
27, 
we. acific coast of southern California and Mexico (south to Colima), and 
Peninsula of Lower California. 
