A.— GROUND-COLOR OF SHELL WHITE OR WHITISH— Continued. 
No. 
Size of Eggs 
in Short- 
diameter. 
Size of Eggs 
in Long- 
diameter. 
Ground-color of 
Shell. 
How Marked, Color of Marks, etc. 
No. in 
a Set. 
Location, Position, Materials, 
Size, etc., of Nest. 
English and Latin 
Name of Bird. 
41 
.47 to .52 
.58 to .65 
White. 
Marked chiefly about the base with blotches, 
spots, and speckles of light reddish-brown. 
Some eggs are uniformly marked from point 
to base. Deep shell-marks infrequent. 
5 to 8 
Nest in natural or artificial cavities in 
trees, stumps, etc., in woods, etc. Birds 
usually excavate cavity themselves in 
rotten or dead wood. Nest within purse- 
shaped or globular. Composed of moss, 
hair, and other soft materials, felted 
together. Cavity about 1 % inches in 
largest part. 
Black-capped 
Chickadee. 
Paras atricapillus. 
42 
.46 to .62 
.50 to .65 
Dull white or ashen 
white. 
Some eggs are marked pretty heavily with 
blotches and speckles, others less so, while still 
others are entirely and uniformly speckled 
with browu-madder or reddish-brown, never 
very decided in tone. Deep shell-marks ap- 
pear gray. Some eggs look as if the color had 
nearly all been washed off. 
4 to 5 
Nest in heavily timbered woods, in a 
bush or sapling, in horizontal or perpen- 
dicular fork, from 2 to 10 feet from the 
ground. Nest is frail, composed of ten- 
drils and slender trailing vines, etc., 
lined with slender moss fibres, rootlets, 
etc. 
Black-and-yellow 
Warbler. 
Dendrceca maculosa. 
43 
.46 to .51 
.57 to .69 
White, with slight- 
est creamy tint ; ai 
times faintly tinted 
with greenish-blue. 
Marked with blotches, spots, and speckles of 
various shades of brown ; sometimes confined 
chiefly to a ring about the crown; sometimes 
distributed pretty evenly over entire shell; at 
others chiefly on the basal half. Deep shell- 
marks lavender, often numerous, with surface 
marks superimposed on them. 
4 to 5 
Nest in saplings and bushes in retired 
woods, situated in a fork. Composed of 
strips of inner bark of trees and weeds, 
and grass, etc., mostly fibres. Lined with 
wiry threads of grape-vine bark, horse- 
hairs, etc. Occasionally a nest is nearly 
pensile. Diameter of cavity about 1 % 
inches; depth between 1J4 and 2 inches. 
Chestnut-sided Warbler. 
Dendrceca pennsylvan- 
ica. 
44 
.45 to .51 
.54 to .64 
White. 
Marked with blotches, spots, and speckles, 
and often short, fine lines of light reddish- 
brown. Deep shell-marks fainter brown or 
lavender tint. Some eggs are chiefly spotted 
at the base; others are blotched at the base, 
and spotted and speckled regularly, but not 
very plentifully elsewhere; others are pretty 
heavily marked all over, but most abundantly 
at the base. 
5 to 7 
Nest in woods or about wooded banks 
of streams, etc., placed in a natural or 
artificial cavity in a tree or stump, or in 
a cavity made by the birds themselves in 
dead of rotten wood. Composed of soft 
fibres, moss, hair, feathers, down, etc. 
Nest purse-shaped or globular, felted and 
woven. Diameter of cavity about 
inches in widest part. 
Carolina Chickadee. 
Paras carolinensis. 
45 
.45 to .51 
.59 to .68 
White, often soiled 
white. 
Marked chiefly about the base with blotches, 
spots, and speckles of yellowish-brown of 
various shades. Generally there is a well 
marked wreath of confluent markings about 
the crown. Deep shell-marks bluish. 
4 to 5 
Nest in woods, usually in a sapling 
against the main trunk; fastened to the 
bark generally by web. Made of flaxen 
fibres, web, etc., lined with horse-hairs 
and split grasses. Diameter of cavity 
about lJa inches; depth about 134 inches. 
American Redstart. 
Setophaga ruticilla. 
46 
.42 to ,49 
.55 to .62 
White, faintly tinged 
with greenish-blue. 
Marked with dots, spots, and speckles over 
whole surface, though roost plentifully about 
the base, with dull reddish-brown. Some 
specimens are marked exclusively with dots 
of very uniform size: others are marked with 
large spots; commonly they arc dotted and 
speckled : occasionally there is a wreath 
about the crown. Deep shell-marks bluish 
tinted. 
3 to 5 
Nest in tall trees in woods, etc., saddled 
on a branch and covered with lichens. 
External diameter about 2U' inches; 
depth about the same; diameter of cavity 
about 134 inches a t the rim ; an. inch below 
it is nearly % inch larger. 
Blue-gray Gnatcatcher. 
Polioptila cerulea. 
B— GROUND-COLOR OF SHELL BLUE OR BLUISH, OR GREEN OR GREENISH. 
No. 
Size of Eggs 
in Short- 
diameter. 
Size of Eggs 
in Long- 
diameter. 
Ground-color of 
Shell. 
How Marked, Color of Marks, etc, 
No. in 
a Set. 
Location, Position, Materials, 
Size, etc., of Nest. 
English and Latin 
Name of Bird. 
1 
1.38 to 1.60 
2.25 to 2.50 
Greenish-blue, but 
covered more or less 
completely with a 
thick, white, lime-lilce 
deposit. 
Unmarked, except by the lime-like wash 
referred to. Usually the bluish ground-color 
shows at several places. 
3 to 5 
Nest in trees or on rocky cliffs about 
lakes, reservoirs, rivers, etc. Usually 
many nests in same locality. 
Florida Cormorant. 
Phalacrocorax dilophus 
floridanus. 
2 
1.38 to 1.45 
1.76 to 1.86 
Faintly tinted with 
greenish-blue. 
At first. glance\most eggs seem to be un- 
marked, but close inspection shows numerous 
blotches of the faintest yellowish-brown or 
lilac. Some eggs are more boldly marked with 
blotches and spots of light yellowish-brown. 
Eggs often stained by the materials of the nest. 
Eggs in April or May; shell rough and un- 
polished. 
4 to 6 
Nest in open fields near swamps, ponds, 
etc.; upon the ground, in grass, etc.; 
sometimes beside a log or under a bush. 
Sometimes eggs laid upon the debris 
covering the site; more commonly, grass, 
leaves, weed-stems, and sticks compose 
a rough nest, which may be lined with 
moss, hair, or feathers. 
Marsh Hawk. 
Circus hudsonius. 
3 
1.10 to 1.25 
1.50 to 1.90 
Greenish-blue; occa- 
sionally inclined to 
yellowish-brown. 
Marked with small blotches, spots, and 
speckles of bistre; upon some eggs moderately 
dark, upon others very faint. Marks may be 
so numerous as to nearly conceal the ground- 
color, or may be scattered sparingly. Deep 
shell-marks are purplish. 
4 to 6 
Nest in trees in woods. Composed of 
sticks, weed-stems, etc., lined with weed- 
fibres, strips of bark, etc. Cavity well- 
shaped, measuring about? inches in di- 
ameter by 3 inches in depth. 
Common Crow. 
Corvus frugivorus. 
4 
1.10 to 1.18 
1.35 to 1.45 
Faint greenish-blue, 
almost white at times. 
Marked with very large blotches, irregular 
lines, spots, and speckles of various shades of 
brown; the largest marks being the lightest 
in tint. Deep shell-marks neutral tint; largest 
blotches often about the equator. 
3 to 5 
Nest in fork of tree in dense woods; 
rarely in a cavity in a tree, or on a shelv- 
ing rock. Composed of sticks, weeds, 
moss, and sometimes feathers, when in 
a tree. 
Sharp-shinned Hawk. 
Accipiter fuseus. 
5 
.85 to .98 
1.25 to 1.35 
Olive-green; alsoyel- 
lowish or brownish. 
Marked with blotches, spots, and speckles of 
sepia, so heavy as to appear black. Some eggs 
chiefly marked with large, distinct blotches 
and spots; some only with small spots and 
speckles, confluent about the base. Deep shell- 
marks appear bluish. Eggs often covered en- 
tirely with mud. 
3 
Nest about large marshes; also along 
rivers; often considerable distance from 
shore; situated on a musk-rat house, an 
island of reeds, etc. No materials are 
carried for the nest, the eggs being laid 
on decaying vegetation or on the ground. 
Black Tern. 
Hydrochelidon larifor- 
inis surinamensis. 
6 
.79 to .89 
1.08 to 1.20 
Greenish-blue or 
smoky-blue. 
Marked with irregular dark brown or black 
blotches, dots, and lines, and distributed pro- 
miscuously over surface. 
4 to 6 
Nest in trees, among branches, or in a 
natural cavity. Composed of grass, straw, 
weed-stems, etc., and plastered with mud 
or manure. Lining, round grasses, and 
sometimes a little horse-hair. Inside 
diameter of nest about 4% inches. 
Bronzed Grackle. 
Quisealus purpureas 
seneus. 
xxxviiia 
