246 | Miscellaneous Intelligence. 
(it was reproduced in this Journal, vol. xix, p. 178). The 
present chart is on a larger scale than the former, and being 
based upon a greater number of observations it differs from 
earlier charts in showing the local disturbances in the direc- 
tion of the magnetic needle; in the case of the New England 
States and Missouri, for example, the minor irregularities in the 
distribution of the magnetism are given with considerable ac 
curac The ppc nee memoir She a table, bite). 
edestin summary of the facts ae +0 the secular variation of 
based. . A special plats shows the position of the region in north- 
eastern Maine and beyond, where the needle has reached its 
western elongation and Sesaine stationary ; and also of that in 
the west, across Idaho, Nevada and Arizona, where the needle is 
also stationary, having reached its eastern elongatio on. The pro 
te motion of the secular change from east to west may ® be 
of the i isogonic syst em in the vicinity of this agonic sane as repre , 
sented by this line, has been since 1600 in the direction of ” 
hands of a watch. : 
2. Maps ies by the Northern Trans-Continental Survey; 
Rapuart Pumpexty, Director.—The Northern rine ae 
' Survey, peeing in 1881 ox sto interest of the principal railroads — 
of the Northwestern Terri s, has recently issued Map Bulletio : 
No. 1, prepared by the Dpage ‘pKical Department, A. D. W “ 
_ Chief To opographer, associate h R. W. Goode 
two sheets; Colville Region, W. T.; Judith Bsn ee 
in two sheets; Crazy Mountains, Montana. The m 
excellently executed by Julius Bien, of New York. 
OBITUARY. 
Arnotp Henry Guyor.—Professor Guyot, for many, b As ae 
ee | the prot of Geoloxy and Physical Geography. in 
in his "Tith "wa ear Neuchatel, Switzerlan 
1807; seule at the chteane of Stuttga 
Berlin, adding to theology, at the latter place, physical | 
y, # 
= under Karl Ritter, and V geology sei Hoffmann ; an 
