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 28 THE CONDOR VoL. XI Before turning our attention to the -local work two lists must be mentioned as among the .important cohtributions to our state ornithology. The first was a paper written by Mr. F. M. Drew "On the Vertical Range of Birds in Colorado"., which was publisht in the Auk in 1885. This paper, which contained notes on 277 pe'cies of which four were new to the State, was by far the most important contribution to our knowledge of bird distribution up to that time, and even up to the present date it remains a standard reference work. The other paper, entitled the "Birds or,Colorado", was written by Mr. Chas. F. Morrison and publisht in the "Ornithologist and Oologist" in 1888-89-90.. I can not do better than to quote Prof. Cooke. Speaking of this list he says, "It is the most, extensive list  of Colorado birds publisht up to this time. Begins with No. 1 of the .A.O., U. Check-List and closes with No. 570 enumerating 233 species., The list was never completed, owing to the ' destruction by fire of much of the material. In addition to records of birds already publisht, the author had the use of a large amount of unpublisht notes sent him by local collectors. The list if completed at that time would have shown 326 species, but as the records of some 14 species recorded here have since been ascertained to be incorrect it would reduce t.he real number to 312 or 35 more than Mr. Drew's list publisht three years prei9us." . In the earlier part of our discussion we noted the routes followed by the vari- ous exploring expeditions that touched this State and got a fair idea of the scope covered by their reports; but for obvious reasons their observations were of a tran- sient nature, and as a rule contained very little regarding the local status of any given species. Let us now turn our attention to the men who, while not covering such a l.arge,scope of country, confined their efforts to some restricted area and worke'd out the ornithological problem to greater or less completeness. As. I have said before the first real local lists that were publisht were con- tained in J. A. Allen's paper publisht in 1872. This paper contained three lists of importance, one list of 81 species observed in Colorado during July and August, a list of 54 species observed in South Park, Park County, in July, and a list of 36 species ob.served during the same month on Mr. Lincoln, Park County. The Henshaw report publisht in 1874 contains two local listS. One of these is a list of 82 species observed at Denver, and the other is a list of 104 species observed at Fort Garland, Costilia County. In this same year the very complete notes of Mr. T. M. Trippe on the birds of Idaho Springs and vicinity (Gilpin and Clear Creek Counties)were publisht in "Bird, of the Northwest", but as theyare scattered thru the body of the book their' segregation into a local list is difficult. In 1879 ,W. E. D. Scott publisht a list of 60 species observed at Twin Lakes, Lake County, and this, so far as I know, is the only publisht record referring specificMly. to Lake County. In 1881 Mr. F. M. Drew publisht the results of several years' active work in southwestern Colorado as "Field Notes on the Birds of San Juan County, Col- orado." This list contains 104 species, including six species new to the State, and gives much valuable information regarding breeding habits, migration and occur- renee.   In 1882 and 1884 Mr. D. D. Stone publisht two short lists of birds observed above 11,000 feet in the v, icinity of Hancock, Gunnison County. The first list treats of 16 and 'the second of 18 species, 'and while these lists are very small they are of unusual .interest.owing to the altitude at which they were taken. In 1883 Allen and Brewster publisht an annotated list of 134 species observed