66 



Land Magnetic Observations, 1911-13 



outfit and affairs. During the period June 19 to July 10, according to my instructions, 

 I occupied 7 stations on the railway lines of BoHvia, leaving La Paz on July 15 for Arequipa 

 and Mollendo, where I met Mr. A. D. Power on July 19, who was assigned to my party in 

 Mr. MacKenzie's place. From July 20 to 31, Mr. Power was given general instruction 

 and practice in the work to be undertaken by him, a station being established at the Are- 

 quipa branch of the Harvard Astronomical Observatory. On August 1 we proceeded to 

 Mollendo and thence to Chala, at both of which places magnetic stations were established. 

 From Chala I proceeded to Lima, arriving August 8, leaving Mr. Power to continue the 

 work which had been assigned to him in Peru. The reader is referred to Mr. Power's own 

 report of his work. 



In Lima I was busy concluding the affairs of the campaign, making arrangements for 

 Mr. Schmitt's trip from Huancayo to Cuzco, and with matters concerning the continuation 

 of Mr. Power's work up the coast of Peru, to whom final suggestions and instructions were 

 given after his arrival at Lima, August 15. On August 16 I proceeded to Oroya, where I 

 met Mr. Schmitt upon his return from Masisea, and concluded all the financial obligations 

 incurred. After completing all arrangements for the continuation of the work in Peru, I 

 sailed for New York on August 20, arriving at Washington, D. C, on September 3. 



Table 6 is a synopsis of the work accomplished by the party. 



Table 0. 



No. 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



25 



26 



27 



Station occupied 



Colon, Panama 

 Lima, Peru .... 



Date 



1912 



Apr. 4 



Various, Apr. 20 to 

 Aug. 19. 



May 1 



8 



16. 



San Lorenzo Island, Peru 



Antofagasta, Chile 



Calama, Chile 



Cebollar, Chile 



Uyuni, Bolivia 



Oroya, Peru 



Oruro, Bolivia 



Tarma, Peru 



La Merced, Peru 



Enenas. Peru 



San Nicolas, Peiu 



La Paz, Bolivia 



Puerto Bermudez, Peru. . 



Uyuni, Bolivia 



Challapata, Bolivia 



Rio Mulato, Bolivia 



Puerto Victoria, Peru .... 



Potosi, Bolivia 



Platanos, Peru 



Huarnonia, Bolivia 



Banos, Peru July 



Honoria, Peru 1 July 



Patacamaya, Bolivia July 



Masisea. Peru ' July 20, 21, 22 



Arequipa, Peru July 22, 27. . . 



11 



May 7, 

 May 12 

 May 15, 



May 18 



May 21 



May 22 



May 23 



May 27, June 4 . 

 June 9, 10, Aug 



June 14, 15 



June 19. July 11 



June 21, 22, Aug. 4. 



June 23. . .\ 



June 24 



June 26 



June 26 



June 28 



June 30 



July 4 



9. 



Observer 



J. P. A., D. M., 

 J. P. A., D. M., 



J. P. A., H. R. S. 



D. M 



D. M 



D. M 



D. M 



J. P. A., H. R. 



D. M 



H. R. S., J. P. 

 H. R. S. . . 

 H. R. S, .. 

 H. R. S. . . 

 J. P. A... 

 H. R. S. . . 

 J. P. A... . 

 J. P. A.... 

 J. P. A... 

 H. R. S . . . 

 J. P. A... . 

 H. R. S. .. 

 J. P. A... 

 H. R. S. .. 

 H. R. S. . . 

 J. P. A... 

 H. R. S. . . 

 J. P. A., A. D. 



H. R. S 

 H. R. S 



Remarks 



C. I. W. repeat station. 

 Friesach observed here in 1858. 



C. I. W. repeat station. 



Friesach observed here in 1860. 

 C. I. W. repeat station. 



0. I. W. repeat station. 

 Friesach observed here some 

 time between 1855 and 1860. 



The distances traveled may be summarized as follows: 



