Miscellaneous Intelligence. 75 
Ill. MisceLLANEouS SCIENTIFIC INTELLIGENCE. 
1. On the eae of the St. Louis Directriz ; by G. C. Bro 
HEAD, (From a letter to one of the Edi tors, I God that Mes 
J. T. Gardner, in his determination of the height of the St. Louis 
rsd bogie - has a i reference to the careful observations of 
Eng el § given in vol, i, No. 4 of the Transactions of 
the akbhAuitiy ‘of Beis of St. Louis (pp. 663-667), noe quoted in 
the American Journal of Science, vol. xxx, p. 394 (1860). Hum- 
phreys and Abbot, in their work, oe testimony to the correctness 
of the observations of Dr. En ngeim r. Engelmann and Mr. E. 
Barton, of New Orleans, eeiritealy adjusted two barometers, 
compared them together, and then observed them for several 
ys to be 404-9 feet above the Gulf. Mr. Gardner riakes it 428°29 
feet, a difference of 23°39 feet. Mr. Gardner’s results are chiefly or 
mirceliee based on railroad levels. Now, if these railroad levels 
correct. The profile notes of the soreepie Kansas and Texas 
Railroad, from Texas to Sedalia, makes out a different elevation 
above the sea at Sedalia from those of the Missouri ae Rail- 
ni There is not a railroad line in Missouri north of the Mis- 
souri River whose elevations ean be relied on Gaokgbout 
#ailebud, of 150 miles long, has three or four breaks of elevations 
on it, each beginning at an assumed datu 
. Swedish oie Explorations.—The Swedish Aretic Expedi- 
tion to Novaya Z emlya, which will start at the beginning of next 
month from Tromsée, will be occupied first with botanical, geo- 
logical, and ethnological i inquiries in the southern part of Novaya 
Zemlya, and then advance al ng the west coast to the northern 
home NP ll bi hen d.— Nature, ky 20. 
38. Norwegian Bepitension: —The hee Government has 
sp a credit of £4, 600 for an exped sent out next 
Hon of the sea between Teelasid the Pare ataiias, Spitzbergen, 
and Jan Mayen. The commander of this expedition will be Capt. 
Carr Wile, of tae Royal Norwegian Navy, who is now in England 
go i Bi information as to the work done by the Challenger.— 
* See this Journal, II, vol. ix, p. 309. 
