332 CHECK-LIST OF NORTH AMERICAN BIRDS. 
[B—, C—, R 80, C g9.] 
About a dozen specimens have been taken, chiefly in New Jersey 
and southern Connecticut. Supposed to be a hybrid between HZ. pinus 
and H. chrysoptera. (Cf. Ripew. Ibis, 1876, p. 169 ; Brewst. Bull. 
Nutt. Orn. Club, VI. 1881, pp. 218-225 ; Eames, Auk, VI. 1889, pp. 
305-310.) 
21. Helminthophila leucobronchialis (Brewsr.). 
Brewster’s Warbler. 
Flelminthophaga leucobronchialis BRewst. Bull. Nutt. Orn. Club, 
I. Jan. 1876, 1, plate. 
LHelminthophila leucobronchialis Ripcw. Bull. Nutt. Orn. Club, 
VIL Jan, 1832,153. 
[B—, C —, R 82, C 100.] 
Known from numerous specimens, taken in Southern New Eng- 
land, Lower Hudson Valley, New Jersey, Virginia, Michigan, etc. 
Supposed to be a hybrid between . pimus and HZ. chrysoptera. (Cf. 
BrewstT. Bull. Nutt. Orn. Club, VI. 1881, pp. 218-225 ; RipGw. Auk, 
II. Oct. 1885, pp. 359-363 ; Eames, Auk, VI. 1889, pp. 305-310.) 
22. Helminthophila cincinnatiensis (LAncp.). 
Cincinnati Warbler. 
Helminthophaga cincinnatiensis LANGD. Jour. Cine. Soc. N. H. 
July, 1880, 119, 120, pl. 4. 
Helminthophila cincinnatiensis Rripcw. Pr. U. 8. Nat. Mus. VIII. 
1885, 354. 
[B—, C—, R—, C ro1.] 
One specimen taken near Cincinnati, Ohio. Probably a hybrid 
between H. pinus and Geothlypis (Oporornis) formosa. (Cf. Rrpew. 
Bull. Nutt. Orn. Club, V. 1880, p. 237.) 
23. Dendroica (Perissoglossa ?) carbonata (Aup.). 
Carbonated Warbler. 
Sylvia carbonata Aup. Orn. Biog. I. 1831, 308, pl. 60. 
Dendroica carbonata BAIRD, B. N. Am. 1858, 287. 
Perissoglossa carbonata B. B. & R. Hist. N. Am. B, I. Jan. 1874, 
214. 
