11 4 On the State of Medicine in 



Example illustrative of Formulce 8. and ^. 



Let a. = 139 15 45 Whence a^(i=85 45' 22^' fi = 8 55 15^ 



/S= 53 30 23 7—^=82 35 55 ^ = 12 4 42 



7=114 24 55 a= 6244,1 6 feet. 

 S= 31 49 required J. 



Of// 



«=139 15 45sin 9.814643 constant logarithm, or log 2. . . 0.301030 

 ^= 8 55 15 cosec 0.8 09473 7 — 5 = 82"^ 35' 55" cosine . . . 9.109982 



0.624116 0.624116 



2 /S = 53° 30' 23" sine 9.90521 5 



No. 1,4-17.71054 log 1.248232 ^ = 12 4 42 cosec 0.679337 



0.584552 . . 0.584552 



2 No. —0.619680 



No. 2, + 14.76064 log + 1.169104 .—4.16562 



No. 3, — 4.16562 . : 



Sum, 28.30556 log . . 1.451872 



half, . . 6T25936 



a = 6244.16 feet, log . . 3.7954 74 Formula 10. would give the 



i = 33220.08 feet, log . . 4.521410 same results. 



It is obvious, that if b liad been given, it is only necessary to sub- 

 tract half the log. of the sum from the log. b, to obtain the log. a. 

 Now, in the course of our survey, in taking sections through the 

 country, the distance of two places, derived from the Trigonome- 

 trical Survey being observed at any two consecutive stations, the 

 distance of these would, by a computation similar to that above, be 

 readily and accurately obtained. 



Private individuals, however, in ordinary circumstances, cannot 

 well undertake such laborious operations, which, unless accurately 

 performed, can be of no real utility. 



DR OPPENHEIM ON THE STATE OF MEDICINE IN EUROPEAN 



AND ASIATIC TURKEY. ( Concludcd from pogs 273. of 

 Vol. XV.) 



Dr Oppenheim's other visits to harems were not always so 

 agreeable as that just described, as appears from the following 

 statement. 



The Harem. — " The Pascha for several days in succession, 

 required me to prescribe for a patient, whose name, sex, or age, 

 he would not tell ; and concerning whom I got no other informa- 

 tion, than that the person complained of pain in the head and pal- 



