The Dragonflies ( Odonata ) of Burma and Lower Siam —

The preceding paper of this series was pubhshed so long ago as 1907. Following Mr. E. B. WiUiamson's kind suggestion, I propose to attempt to carry on in this and in subsequent parts the faunistic survey commenced by himself. In the first place I must express my regret that he should be unable to complete the wori^ so admirably begun, and my appreciation of my own inadequacy to continue the series at the high level at which it started. I shall endeavor to follow the general plan of his two papers, and I have to thank him and likewise the authorities of the L^nited States National Museum for the opportunity of dealing with the large and important collections on which this account is based. The material available consists of: 1, Several thousands of specimens collected by Mr. R. A. Earnshaw in the Karenni and Toungu