95 
found the current of the Colorado checked by an inpouring flood 
of the Gila which raised the level of the Colorado below toa 
height of about 10 feet. 
Yuma I found a collection of cacti which had been made 
by Mr, G. Sykes in nes overland from Flagstaff, Ariz., to 
he Diego, Cal., and t with the specimens secured in com- 
ing down the river were nines to New York. The expedition 
reorganized here for the remainder of the work to be done. In 
accordance with arrangements with the U. S. Biological ee 
Mr. E. A. Goldman, of that institution, joined the party for the 
purpose of making a collection of mammals, birds and reptiles. 
Mr. Stanley Sykes left the party here and we were joined by Mr. 
Godfrey Sykes, master of the sloop, in which the voyage of the 
previous year Joe been made. The remainder of the trip was to 
have been made in the sloop, but it had been taken down to the 
Gulf of Califorata by a small party in January and news reached 
us that it had been lost in a storm with all on board, before our 
arrival. A boat with a capacity of about a ton was built in three 
days, a small gasolene engine was placed in a small launch, the 
canvas boat was folded up and carried as freight to be used as 
needed and we set off down the river with an added equipment 
of instruments including a sextant, aneroids, compasses, etc., on 
March 26. 
n accordance with representations made to the Mexican gov- 
ernment by Mr. Fentor R. McCreery, of the American Embassy, 
and by the kind offices of Sefior M. de Azpiroz, Mexican Ambas- 
sador at Washington, and the intervention of the Secretary of For- 
eign Affairs, the Secretary of Customs for Mexico issued instruc- 
tions to all stations along the border to pass our equipment 
and collections across the boundary, and this je greatly 
facilitated our work. In addition we anes letter fr Col. 
E. Kosterlitzky, of the Army of Sonora, to the ees 
Fiscal. The most hae treatment was accorded us by all 
Mexican officials with whom we came in contact, as in all previous 
expeditions to pe parts of Mexico. 
Mr. Sullivan in charge of the customs at Yuma and various 
other gentlemen in the service of the United States likewise aided 
