[89] 



LISTS OF DREDGING STATIONS. 



061 



On tbo voyage of the Sassier, Lieut. Commander E. P. Johnson, U. 

 S. Navy, commanding", from Boston to San Francisco in 1871-72, dredg- 

 ings, numbered from 1 to 8, were made off' Sandy Bay, Barbados, and 

 twenty-six other dredgings were made in the South Atlautic, besides 

 fifteen made off the coast of Chili. To the thirty-four hauls in the 

 Atlantic, numbers from 217 P. to 250 P. have been assigned. The 

 dredgings were made by Count Pourtales under the direction of Prof. 

 Louis A^assiz. 



Dredgings of the Hassler in 1871-72. 



The dredgings in 1872, except those of the Hassler, were made by 

 Dr. William Stimpson. The first ones were made upon the Bibb, Acting 

 Master R. Piatt, U. S. Navy, commanding, those numbered i to 29 8. in 

 this list being in the Yucatan Channel, following a proposed telegraph 

 line, and 30 to 34 S. south of Sand Key, near Key West. Dr. Stimpson 

 afterwards joined the Bache, Lieut. Commander I. A. Howell, com- 

 manding, and made dredgings numbered 11 to 60 S. Lieutenant Com- 

 mander Howell had made a few dredgings in anticipation of Dr. Stimp- 

 son joining him, numbered 35 to 40 S. All the Backers dredgings were 

 off the west coast of Florida, except 56 to 60 S., which were southwest 

 of the Tor tu gas. 



S. Mis. 90 61 



