104 Land Magnetic Observations, 1911-13 



of the month was spent on computations and records and on the necessary arrangements 

 for the next expedition. 



The following stations were occupied: 



1. Hongkong. 



2. Honglok, Kwangtung. 



3. Yingtak, Kwangtung. 



4. Shiuchow, Kwangtung. 



5. Namyung, Kwangtung. 

 0. Kanchow Ki, Kiangsi. 



7. Kianfu, Kiangsi. 1 13. Anking, Anhwei. 



8. Linkiang (Ho Quan), Kiangsi. 



9. Nanchang, Kiangsi. 



10. Wongkong, Kiangsi. 



11. Kuling, Kiangsi. 



12. Kiukiang, Kiangsi. 



14. Tatung, Anhwei. 



15. Wuhu, Anhwei. 



16. Hwaiyiian An, Anhwei. 



17. Soochow, Kiangsu. 



18. Lukiapang, Kiangsu. 



Station No. 9 was a reoccupation of No. 10 in Expedition V of 1908. Stations Nos. 12 

 and 15, while at the same river ports, were not identical with Nos. 22 and 4 of Expedition 

 IV, 1907, because, owing to floods, the old stations were under water. New stations were, 

 therefore, chosen in elevated places to avoid this difficulty in the future. Station No. 17, 

 while on the campus of the Soochow University, as was No. 13 of Expedition II, 1906, was 

 not identical with the latter, because in the interval a regrading of the college campus had 

 eliminated the station-marker. 



The total time given to this expedition, not counting that given to preliminary arrange- 

 ments, was 3 months, 21 days of which were devoted to the extended series of comparisons 

 at the Hongkong Observatorj^ already mentioned. Not counting these, and the week 

 spent at Canton in computation at the conclusion of the trip, the total time in the field was 

 64 days, or an average for the 16 field stations of 4 days per station. Besides the 23 days 

 on which observations were made at Honglok and Hongkong previous to starting out, 

 observations while in the field were made on 20 days and were prevented on but 2 days by 

 bad weather. The time devoted to actual travel was 31 days in the field and 4 days return- 

 ing from the field. The total travel consisted of 1,180 miles by steamer in returning from 

 the field; and in the field, of 375 by steamer, 225 by launch, 340 by sailboat, 435 by rail, and 

 70 on foot, or a total of 1,445 miles actually in the field, giving for the 16 field .stations an 

 average of practically 90 miles per station. The total cost of the expedition, not counting 

 the extended series of comparisons at Hongkong, exclusive of observer's salary, was $638, 

 or an average of $40 per station. The expenses incurred in connection with the compari- 

 sons at Hongkong amounted to about $98, exclusive of the observer's salary. 



I was accompanied throughout the overland portion of this expedition by Mr. A. R. 

 Knipp, instructor in physics at the Canton Christian College, who very materially assisted 

 in arranging for the necessary facilities of transportation. Besides the generous assistance 

 afforded by various missionaries, I have again to refer to the efficient help afforded by the 

 Zikawei Observatory, which, in connection with its new magnetic station at Lukiapang, 

 had provided a special stone observing pillar for my use in making comparison observations. 



EXPEDITION VII. SOUTH CHINA COAST, YUNNAN, FRENCH INDO-CHINA, AND SIAM, 



OCTOBER 1911 TO MARCH 1912. 



The first part of this expedition was carried out according to instructions dated Novem- 

 ber 10 and 14, 1910, and the latter part according to in.structions received by cable at 

 Hanoi on December 5, 1911. The instrumental equipment and field outfit were the same 

 as for the preceding expedition and, as before, I was accompanied by Mr. Y. K. Ngan, my 

 assistant. 



The original plan of Expedition VII was to ascend the West River across Kwangtung 

 and Kwangsi and from its headwaters to proceed on foot across Yunnan into Burma by 

 way of Bhamo, and, on reaching Rangoon, to return to Canton by sea. On account of an 

 initial delay of several days in the latter part of September and the first few days of October 

 due to sickness, I was deprived of the expected privilege of making the journey across 

 Kwangsi in the company of the Reverend H. O. T. Burkwall, the agent of the British 

 and Foreign Bible Society for that region. Since there were, furthermore, rather insistent 



