564 BIRDS—-COLYMBIDZ. 
outcry when we approached their property, which was soon to be ours by right of dis- 
covery. At other times the birds were not at all gregarious, being usually observed forag- 
ing singly or in pairs. Several young of the year were taken, thus confirming the state- 
ment of the resident who informed us that he had taken numbers of eggs of the first 
brood in May. . Of the dozen or more sets of eggs taken by us early in July, more than 
half were fresh or nearly so.” 
ORDER PYGOPODES. DIVING BIRDS. 
FAMILY COLYMBIDA. LOONS. 
Feet four-toed, palmate. Halinx lobate, connected at base with base of inner toe. 
Tail perfect. Head closely and completely feathered. Nostrils with a depending lobe 
or flap. Bill straight, compressed, acute. 
Genus COLYMBUS. Linneus. 
With characters of the family. 
CoLYMBUS TORQUATUS Brunn. 
Loon; Great Northern Diver. 
Colymbus glacialis, KIRTLAND, Ohio Geolog. Surv., 1838, 166, 186. 
Colymbus torquatus, WHEATON, Ohio Agric. Rep. for 1860, 371; Reprint, 1861, 13; Food 
of Birds, etc., Ohio Agric. Rep. for 1874, 575; Reprint, 1875, 15.—LANGDON, Cat. 
Birds of Cin., 1877, 18; Revised List, Journ. Cin. Soc. Nat. Hist., i, 1879, 187; Re- 
print, 21; Summer Birds, ib., iii, 1880, 230. 
Loon, BALLOU, Field and Forest, iii, 1878, 136. 
Colymbus torquatus, BRUNNICH, Orn. Bor., 1764, No. 134. 
Colymbus glacialis, LINNZUS, Syst. Nat., i, 1766, 221. 
Black; below from the breast white, with dark touches on the sides and vent; back 
with numerous square white spots; head and neck iridescent with violet and green, 
having a patch of sharp white streaks on each side of the neck and another on the 
throat; bill black. Young:—Dark gray above, the feathers with paler edges; below 
white from the bill, the sides dusky; bill yellowish-green and dusky. Length, 24-3 feet ; 
extent, about 4; wing, about 14 inches; tarsus, 3 or more; longest toe and claw, 4 or 
more; bill, 3 or less, at base 1 deep and 4 wide, the culmen, commissure and gonys all 
gently curved. 
Habitat, Northern Hemisphere. In winter generally dispersed in the United States. 
Common spring and fall migrant and winter resident. Mr. Langdon 
notes its occasional occurrence in Northern Ohio in summer, and it is 
still probably, as it certainly was formerly, a summer resident. Dr. 
Kirtland mentions its having been picked up on land after a storm. I 
have known it to be taken in the streets of this city under the same cir- 
cumstances. In this vicinity it often appears in companies of from six 
to ten, and furnishes ample shooting to sportsmen who find them the most 
expert of all divers, generally escaping by this means when their cap- 
