8.
L4 9, 35, 45, 103, 109. 44. 19, 47.
L5 ... ... 21, 36, 54, 59, 107.
L6 35. ... 8, 50.
L7 18. 16, 23, 29, 57, 62, 74, 114. 19, 49, 51.

Glossary.

*Barred--Marked with transverse lines.
*Bib--Whole throat, with upper breast of same color, sharply defined.
*Cap--Entire top of head defined by an oval patch of distinct and
contrasting color.
*Crest--A tuft of feathers carried erect on top or back of head.
*Crown-patch--Smaller and less sharply defined than cap.
*Hood--Whole head and neck all around of same color.
*Mask--Forehead, together with broad stripe through eye, of same color.
*Mottled--Colors and markings blended in no distinct patterns.
*Patch--An oddly-shaped and conspicuous mark, never round.
*Rump--The extreme lower portion of the back next the tail (easily seen
in flight).
*Spotted--Marked with nearly round spots or one irregular spot.
*Streaked--Marked with _longitudinal_ lines or streaks.
*Variegated--Showing a variety of colors and markings.
*Wing-Bar--A line, usually white, running obliquely across wing.

Supplementary List.

Note.--Owing to the impossibility of determining what additional species
are most likely to stray into a city park, the following list has been
made to include certain species known to occur in Cook County, Illinois,
some of which are of common occurrence in the vicinity of Chicago but
have not yet been seen in Lincoln Park by the authors:

Red-throated Loon (Gavin lumme. 11.)
Glaucous Gull. (Larus glaucus. 42.)
Franklin Gull. (Larus franklinii. 59.)
Forster Tern. (Sterna forsteri. 69.)
Black Tern. (Hydrochelidon nigra surinamensis. 77.)
Shoveller. (Spatula clypeata. 142.)
American Scaup Duck. (Aythya marila. 148.)
Ring-necked Duck. (Aythya collaris. 150.)
Great Blue Heron. (Ardea herodias. 194.)
Black-crowned Night Heron. (Nycticorax nycticorax naevius. 202.)
King Rail (Rallus elegans. 208.)
Virginia Rail. (Rallus virginianus. 212.)
Wilson Snipe. (Gallinago delicata. 230.)
Pectoral Sandpiper. (Actrodramas maculata. 239.)
Least Sandpiper. (Actrodramas minutilla. 242.)
Greater Yellow-legs. (Totanus melanoleucus. 254.)
Yellow-legs. (Totanus flavipes. 2