2 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 98 



Stephen Early, Mr. Frederick B. Adams, 2 Mr. Basil O'Connor, 

 Capt. Daniel J. Callaghan, U.S.N., 3 Col. Edwin M. Watson, U.S.A., 

 and several of the officers of the Houston. Other specimens were 

 taken hy the crew with hand lines over the ship's side or were picked 

 up ashore. 



It is not possible to make adequate acknowledgment to all aboard the 

 Houston who contributed in one way or another to make the expedition 

 an unqualified success, from the Captain and Wardroom down through 

 the whole ship's company. There are many more among the ship's 

 officers and personnel to whom I am much indebted for many kind- 

 nesses and much real and helpful assistance than I am permitted to 

 mention in this limited account. I should like to call them all by name. 

 Jack Barron was detailed as my assistant, and I am grateful to Captain 

 Barker for assigning so fine a seaman to me, and to Barron for all 

 the helpful services that he rendered me. R. B. Thompson, of the 

 paymaster's clerical force, an experienced amateur photographer, was 

 kind enough to assist me in taking pictures, with the result that I am 

 indebted to him for most of the photographs that I brought back to 

 the Institution from the cruise. Unique among the photographs which 

 he took are three of leaping porpoises, taken off Hood Island on 

 July 28. 



Under Lieutenant Commander Kelly's able direction, we made our 

 successful landing on Clipperton. To Captain Barker and to his 

 executive officer, Commander Bailey, in particular, all thanks are due 

 for the wonderful cooperation extended me on all occasions through- 

 out the cruise. 



The scientific results of the Presidential Cruise have proved to be 

 of extreme interest. Not only have a number of new records of 

 occurrence been established and hitherto unrepresented species been 

 added to the Museum's collections, but more than 30 new species, 

 subspecies, and varieties have been discovered. These will be described 

 in a series of scientific papers which are to follow. 



The fact that the collections in the Galapagos were made at a time 

 of the year when these islands have seldom been visited by investigators 

 adds materially to their scientific interest and value. Likewise, the 

 avifauna of Clipperton Island, not heretofore represented in the 

 Museum collections, has now become well known to us. 



3 Mr. Adams took a number of very worth-while color photographs for the 

 purpose of recording the color of the fresh specimens as they were landed in 

 the fishing boats. These he has very generously contributed to the collections 

 of the Smithsonian Institution. 



3 1 am indebted to Captain Callaghan for a number of notes. 



