E. W. Hilgard—Geological Reconnoissance of Louisiana. 381 
Art. XXX.—Summary of Results of a late Geological Reconnois- 
sance of Louisiana; by EUGENE W. Hitearp, of the Univer- 
sity of Mississippi. 
Louisiana, the results of which I Bad ges baely to discuss, was 
cademy of Sci- 
to 
burg on the Washita river, where, after some excursions in the 
_ heighborhood, the expedition termina‘ 
the 
: mn 
_ tained on the route just recited was less complete than I had 
ped. It has, nevertheless, served to develop pretty fully the 
Am. Jour. Sc1.—Szconp Serres, Vou. XLVIII, No. 144.—Nov., 1869. 
. 23 
