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Show / 154 in the west- central portion of the Territory, all others collected earlier by the various Government exploring expeditions, as well* as those of Dr. J. G. Cooper, made at Fort Mojave, on the Colorado River; thus affording a complete index of the fauna up to that time. Since then many interesting facts have been brought to light by the labors of Captain Ben dire, principally in the neighborhood of Tucson, where he found several species new to the fauna. To hirn I ain also indebted for a list of the species found in the vicinity of Tucson in 1872, iudicatiug those breeding and such as winter and are resident. The list may thus be regarded as affording a pretty complete idea of the Ornis of the Territory, and it is not likely that mauy species remaiu to be added, except along the southern border. Of Mexican birds, that extend across our lines, and find their northern limits within our areas, there, doubtless, yet remain quite a number to be discovered, and these not mere stragglers, but such as exist in considerable numbers. These will probably be found principally in the southeast, as there the mountains, continuing in an unbroken range from the table- lauds of Mexico, afford a highway, as already ascertained, for quite a number of otherwise extralimital forms, which will be still further swelled by additional research. In order to afford means of comparison between the species occurring in the eastern part and those found at Fort Whipple and in the Colorado Valley, attention is called to the differences in relative abundance, as also to the time of year when this difference occurs. When no especial locality is given, the remarks will be understood to apply to the Territory generally. An asterisk prefixed to the number indicates those that breed within the Territory. Respectfully submitted. H. W. HENSHAW. Lieut. GEO. M. WHEELER, Corps of Engineers. TURDID-^ E. The Thrushes. * 1. Turdus mxgratorxus L. Common Robin. Quite numerous during migrations. Not very common hi summer. Resident. * 2. Turdus pallasi Cab., var. audu- boni Bd. Audubon's Thrush. An abundant summer resident in high mountain districts. 3. Turdus pallasi Cab., var. nanus Aud. Dwarf Hermit Thrush. " Rare; spring and autumn migrant; some breed" ( Coues). None, it is tbongbt, remain during summer. 4. Turdus ncevius Gmelin. Varied Thrush. Obtained on Colorado River by Lieutenant Ives's expedition, where, however, it was probably aeoidental. * 5. OreosoopUs montanus ( Towns.). Sage Thrasher. Common; resident. " Winters about Tucsou" ( Bendire). # 6. Mimus polyglottus Li. Mockingbird. Common ; summer resident. Very numerous at localities in the southeastern part of the Territory. * 7. Harporhynchus cinereus Xantus, var. bendirei Coues. Bendire's Curve- billed Thrush. So far as known, confined to extreme southeastern part of Territory, where it is common, especially about Camp Lowell. " Breeds, and is resident"( Bendire). • 8. Harporhynchus curvirostris ( Sw.), var. palmeri, Ridgway. Palmer's Curve- billed Thrush. More numerous than preceding, and, like it, an inhabitant of the arid plains. " Resident" ( Bendire). 9. Harporhynchus redivivus ( Gambel), var. leoontei ( Laws.). Le Conte's Curve- billed Thrush. Type from Fort Yuma. A secoud specimen taken by Dr. Coues near Fort Mojave. Probably resident. Apparently not occurring in the southeastern portion. * 10. Harporhynchus crissalis ( Henry). Crissal Thrush. Occurring in all the region south of the Gila River; generally preferring rocky hills. Resident. CINCLID^ l. The Dippers. * 11. Cinclus mexicanus, Sw. Water Ouzel. Detected only in the White Mountains where it is resideut. SAXICOLID- ZE. The Saxicolas. * 12. Sialia mexicana ( Sw.). The Mexican Bluebird. Abundant; resident from the plains to high mountainous localities. 13. Sialia arctica, Sw. The Arctic Bluebird. Perhaps only a winter visitant; though not unlikely the mountains of the northern part may afford it a summerhome. SYLVIID^ E. The Sylvias. * 14. Hegulns satrapa Licht. The Golden- crested WTren. Stated by Dr. Coues to have been taken in the Territory, though not met with by himself. Probably very rare, |
