382 BIRDS—CAPRIMULGIDA. 
ORDER PICARLA. PICARIAN BIRDS. 
SUB-ORDER CypsELi. Cypseliform Birds. 
FAMILY CAPRIMULGIDA. GOATSUCKERS. 
Feet semipalmate, the anterior toes connected at base by movable webbing. Hind toe 
very small, elevated, semilateral. Middle toe produced, its large claw pectinate. Bill 
fissirostral, with very small, triangular, depressed horny part and immense rictus, reach- 
ing below the eyes, furnished with bristles. Ratherlarge Plumage soft and lax, much 
variegated. 
Sub-family CAPRIMULGIN A, TruE Goatsuckers. 
Outer toe with four phalanges only. Sternum with one pair of shallow posterior fis- 
SUIeS. 
GENUS ANTROSTOMUS. Gould. 
Noastrils tubular ; gape with long stiff bristles reaching beyond the bill. Wings 
slightly rounded, primaries emarginate; tailed roundéd. 
ANTROSTOMUS VOCIFERUS (Wils.) Bonap. 
Whippoorwill; Night Jar. 
Caprimulgus vociferus, KIRTLAND, Ohio Geolog. Surv., 183, 162, 180.—R«aAp, Proce. Phila. 
Acad. Nat. Sci., vi., 1853, 395. 
Antrostomus vociferus, KIRKPATRICK, Obio Farmer, vill, 1859, 195.—WuHEATON, Ohio 
Agric. Rep. for 1860, 1861, 362, 373; Reprint, 4, 15; Food of Birds, etc., Ohio Agric. 
Rep. for 1874, 1875, 568; Reprint, 8—LANGDON, Cat. Birds of Cin., 1877, 10; Revised 
List, Journ. Cin. Soc, Nat. Hist., i, 1879, 178; Reprint, 12. 
Whippoorwill, WanaTon, Field Notes, i, 1861, 92. 
Caprimulgus vociferus, WiLson, Am. Orn., v., 1812, 71. 
Antrostomus vociferus, BONAPARTE, List, 1838, 8. 
Habitat, Eastern United States and British Provinces. North to about 50°. West to 
the Plains. South through portions of Mexico to Guatemala. 
Common summer resident in some localities, rare or absent in others. 
In the immediate vicinity of Columbus the Whippoorwill is quite rare. 
I have never heard its note, and have seen but two specimens. These 
were found in low woods in May, and were evidently on their spring m1- 
gration. Ten miles west of this city at Georgesville and West Jefferson 
they are rather common, and breed. In Hastern and Southeastern Ohio 
they are more numerous. Mr. Langdon gives it as uncommon in the 
vicinity of Cincinnati. During the breeding season they seem to prefer 
the more hilly portions of the State, and I am of the opinion that the 
geological structure determines their distribution at this time, as is per- 
