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Show APPENDIX NN. 1319 males abound. In the fall of 1875, while in Southern California, we failed to find a single adult male in the valleys, although the species was very numerously represented by adults of the other sex and by the young. The absence of the males was attributed to the fact of their having found their way into the mountains, though this seemed a hardly adequate explanation. The experience of the past season was but a repetition of that of the previous year, except that our ground of observation was exchanged for the mountains. Where females and young were to be seen by scores, a most careful search failed to discover a single adult male. Mr. Ridgway, we learn, had a similar experience in fall along the eastern slope, and was equally at a loss to understand whither the males had betaken themselves. ALCEDINHXK. 31. toryle alcyon ( L.).- Belted Kingfisher. Present on the shores of Lake Tahoe in small numbers, as on the small streams. PICIDJE. 32. Pious albolarvatus ( Cass).- White- headed Woodpecker. Numerous in the pine- woods, to which it strictly confines itself, and where it is resident. 33. Picut mllosus ( L.), var. harririi And.- Harris's Woodpecker. Perhaps the most numerously represented in the mountains of any of the family where resident, but not confining itself so closely to the pineries as the preceding bird. 34. Picoides arcticus ( 8w.).- Arctic Woodpecker. This species appears to be of rather common occurrence about Lake Tahoe, where I saw it occasionally in September, October, and November. It, without doubt, breeds here. 35. Sphyrapicus ruber ( Gm.).- Red- breasted Woodpecker. Apparently not very common. Probably a few breed along the eastern slope. 36. Sphyrapicus ihyroideus ( Cass).- Brown- headed Woodpecker. Not at all uncommon in the pine- woods about Lake Tahoe, where it breeds and is a constant resident. 37. Jsyndesmus torquatus ( Wils.).- Lewis's Woodpecker. I saw but few of this species. It is probably a summer resident, and does not winter in the region. 38. CoJaptes mexicanus ( L.). Numerous; less so, however, in the mountains than in the valleys below. 8TRIGIDJE. 39. Bubo virginianus ( Gm.), var. arcticus ( Sw.).- Western Horned Owl. Abundant; its hooting heard at every camp. 40. Otus vulgaris ( L.), Yax. wilsonianus ( Less.).- Long- eared Owl. Common in the thiokete of the meadowy lands bordering upon Lake Tahoe. FALCONIDiE. 41. Faloo communis Gmel., var. anaium Bon.- Duck Hawk. Met with frequently in early fail. Probably this species leaves the mountains when severe weather comes on and winters in the valleys. At all events it becomes quite common in the lower regions in November. 42. Pandion haliatus L., var. oarolinensis Gmel.- Fish Hawk. Bather rare; one or two seen about Lake Tahoe. |