[89] 



LISTS OF DREDGING STATIONS. 



961 



On tbe voyage of the Massler, Lieut. Commauder B. P. Johnson, IX. 

 S. Kavy, commanding, from Boston to San Francisco in 1871-'72, dredg- 

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

 twenty-six other dredgiugs were made in the South Atlantic, besides 

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

 Atlantic, n^umbers from 217 P. to 250 P. have been "assigned. The 

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



Louis Agassiz. 



Dred<jin(js of ihe LfassJer in 1871-'72. 



1 



a 



a 



2 1'- 



1 



' Dat 



0. 



Latitude 



H. 



i 



Longi- 

 tude W. 



2 



5 



3 



Locality. 



3 ' 

 1 



O 







! 





p 









1871. 











217-20 P. 



1-4 



Dec. 



29 







75-100 



Oft' Sandy Bay, Barbados. 

 Do. 



221-24 P. 



5-8 



Dec. 30 

 1872. 







17-100 











225 P. 



9 



Jan. 



18 



11 49) 



-fc'^^" 



i 15 



Oft' coast of Brazil, north of B^bia. 



226 P. 



10 



Jan. 



IS 



11 49 



„c.,o. 



1' 



Do. 



227 P. 



11 



Jan, 



18 



11 49 





1 40 



Do. 



228 P. 



12 



Jan. 



18 



11 49^ 



i 500 



Do. 



229 P. 



13 



Jan. 



18 



11 49 





1:0 



Do. 



2:j0 p. 



14 



Jan. 



18 



11 49 



I 75 



Do. 



231 P. 



15 



Jan. 



18 



11 49 



I 200 



Dn. 



232 P. 



16 

 17 



Jan. 

 Jan. 



20 

 20 







30 



20 



Oft' the Abrolbos Brazil. 



233 v. 



■■■" ! 



Do. 



234 P. 



18 

 19 

 20 

 21 



22 



Jan. 

 Jan. 

 Jan. 

 Jan. 

 Feb. 



20 

 20 

 22 

 22 

 20 







20 

 44 

 .'i5 

 45 

 70 



Do. 



235 P. 







Do. 



236 P. 





.......... 



Oft' Cii\)e Frio, Brazil. 

 Do. 



237 P. 







238 P. 



"""si'oo" 



""'"50'i5' 



OtF Coast of Brazil, nortb of river La Plata. _ 



239 P. 



23 



Feb. 



20 



32 00 



50 15 



7i) 



Do. 



240 P. 



24 



Feb. 



22 



34 55 



54 12 



19 



Off La Plata Pdver. 



241 P. 



25 



Feb. 



29 



35 12 



55 30 



7 



In La Plata River. 



242 P. 



26 



Max-. 



1 



37 42 



5(3 20 



4t 



Off La Plata Kiver, 



243 P. 



27 



]\Iar. 



3 



40 22 



GO 35 



30 



Off Baliia Blauca, Argentine Republic. 



244 P. 



28 



Mar. 



4 



41 17 



63 00 



17 



Oftniouth of Rio Negro, Argentine Republic. 



245 P. 



29 



Mar. 



4 



*L 15 



03 50 : 



25 



lu Gulf of S. Matias, Argentine Republic. 



.246 P. 



30 



Mar. 



7 



41 40 



63 13 



30 



Do. 



247 P. 



31 



Mar. 



9 



44 52 



64 10 



55 



Off Cape Raso. Patagonia. 



248 P. 



32 



Mar. 



11 



49 40 



66 50 



57 



Off Point S. Julian, Patagonia. 



249 P. 



33 



Mar. 



12 



51 26 



68 05 



58 



Off Coy Inlet, Patagonia. 



250 P. 



34 



Mar. 



13 







22 



Off' Cape Possession, Patagonia. 











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, IT. S. Navy, commanding, those numbered 1 to29S. in 

 this list being in the Yucatan Channel, following a i)roposed telegraph 

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

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

 manding, and made dredgings numbered 41 to CO 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 50 to GO S., which were southwest 

 of the Tortugas. 



S. Mis. 90 61 



