SOUTHERN ARIZONA 251 



knowledge, much of which has been published, 

 adding materially to what was known regarding 

 the bird life of the Great Southwest. Finally, 

 winding up my affairs to^ the best advantage pos- 

 sible, I left Arizona for the last time in March, 

 1886, and proceeded at once for the Gulf Coast 

 of Florida. 



From 1883 until 1897 I continued my investi- 

 gations independently, amassing collections which 

 with my field notes formed a basis for numerous 

 published contributions, generally technical in 

 character. The collections becoming known in 

 this way, were purchased for museums both 

 in this country and abroad. Much of this time 

 was passed in Florida, a season in the moun- 

 tains of Virginia, and some five months were 

 devoted to the Island of Jamaica in the West 

 Indies. Shorter intervals were occupied by work 

 in the vicinity of New York, in Westchester 

 County, and in New Jersey in the neighbor- 

 hood of South Orange. It is not my purpose 

 to dwell on the two latter localities in this narra- 

 tive ; but I wish to elaborate at some length parts 

 of the work that I did in Florida, to present in 

 some detail my impressions of the bird life of a 

 tropical island, and to consider briefly the salient 

 features of the high altitudes of the mountains 

 of the southern part of the Appalachian range. 

 In 1897 I returned to Princeton, and soon after- 



