E. W. Hilgard—WSilt Analyses of Soils and Subsoils. 138 
“buckshot.” Notwithstanding its clayeyness, it is therefore a 
very “safe” soil, and highly esteemed for its thriftiness. 
river deposit soils; in which the clay and finest silts seem to be 
the chief variables. 
tion of the river alluvium proper, I add, for farther comparison, 
the analysis of material from a stratified org cone, which 
- . be e 
similarity to the recognized river deposits, in the proportions of — 
1 iments, 
* Miss. Rep. 1860, p. 314, a 
+See my paper on the Geology of the Delta, and the Mudlumps of the Passes 
of the Mississippi, Am. Jour. Sci, April, May and June, 1871. _ 
