. Birds of the Colorado Valley : a repository of scientific and popular information concerning North American ornithology . ough chry-soparia can hardly be called Western, as it only reaches Texas,D. occidentalis and D. toicnsendi being the representatives ofthe virens group in other parts of the West. Finally, the East-ern D. dominica is replaced in the Southwest by the lately dis-covered Graces Warbler. In drawing comparisons between the Eastern and Western 240 DENDRffiCA VIRENS representation of Dcndrccca, lio« ever, we should not forget thatseveral Eastern species, properly speaking, are n
. Birds of the Colorado Valley : a repository of scientific and popular information concerning North American ornithology . ough chry-soparia can hardly be called Western, as it only reaches Texas,D. occidentalis and D. toicnsendi being the representatives ofthe virens group in other parts of the West. Finally, the East-ern D. dominica is replaced in the Southwest by the lately dis-covered Graces Warbler. In drawing comparisons between the Eastern and Western 240 DENDRffiCA VIRENS representation of Dcndrccca, lio« ever, we should not forget thatseveral Eastern species, properly speaking, are not so exclu-sively restricted as has long been supposed. The recent thor-ough ransacking of the mountains of Colorado, by severalwell-trained ornithologists, has shown that various speciesreach across the Plains to the Rocky Mountains, and even pen-etrate their fastnesses—not as mere stragglers, but as regularmigrants. Such species are D. striata, D. coerulea, D. black-hurnice, and D. maculosa, which I shall consequently include inthe main text of the present work, as reaching the confines ofthe Colorado Fig. 32.—Black-throated Green Warbler, natural size. The North American species of Bendrceca which are notknown to come within such limit are the following: — Dendroeca virens.—BlacU-throated Oreen Warbler. MotaclIIa virens, Gm. SJT. , 985, n. 1541 (Edw. pi. 300, etc.).—Turt. SN. i. 1806, 607. Sylvia Vlrens, Lath. lO. ii. 1790, 537, n. W^.— Vieill. OAS. ii. 1807, 33, pi. 92.—TFifa. AO. ii. 1810,127, pi. 17, f. 3.—F. N. D. dH. N. xi. 1817, ll^.—Steph. Gen. Zool. x. 1817, 740.— M6th. ii. 1823, 440, n. 73.—i?p. Journ. Phila. Acad. iv. 1824,192.—Bp. Ann. Y. ii. 1826, m.—Nutt. Man. i. 1832, 376, ;. Preis-Verz. Mex. Vog. 1830, 2;J. f. O. 1863, 57.—Awd. OB. iv. 1838, 70, pi. 399.—P«a6. Rep. Orn. Mass, 1839, 308.—Thtmps. Vermont, 1853, ei.—Gcitke, Nanm. 1858, 423 (Heligoland, Europe). SylTlCOla virens, Ewh.
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