Succession of the Ozark Serifs. — N~ason, 14") 
eralization to saj^ that a fossil stratum reached from Cabool to 
Gasconade city ? 
III. Again. Prof. Broadhead makes a mistake, quite ex- 
cusable under the circumstances, of supposing that the writer 
omits, in the report on iron ores, mention of the locality at 
Mt. Sterling. This place is not mentioned by name, but on 
page 107 of the above mentioned report, sections 27, 2<S and 
29 were taken at this place. The writer's conclusion was that 
the sandstone there observed was a large lens or bed, entirely 
independent of the stratum of sandstone on the bluff. How- 
ever this may be, the sandstone on the bluff never showed any 
signs of leaving the summit and descending beneath the river 
level. On the other hand, the sandstone on the bluff was 
traced nearly continuously from Cabool to this point. If then 
the sandstone in the river at Mt. Sterling is the Second sand- 
stone, that on top of the bluff must be the First, which leads 
to obvious contradictions. 
The facts as observed are as follows. About two miles 
above Mt. Sterling, just below a bend in the Gasconade river, 
there are great blocks of sandstone in the river. These blocks 
come from a bed of sandstone which extends under the lime- 
stone in the bluff. The bluff itself is two hundred feet high, 
and is principally limestone, with the exception of the sand- 
stone at the river level and fragments of sandstone on top of 
the bluff. At the ferry no rocks are well exposed. About 
one-fourth of a mile below the ferry, the conditions are as 
noted in section 27. At the river level a bed of sandstone i- 
exposed at least thirty feet in thickness. Following along this 
outcrop the talus hides the point of contact between the sand- 
stone and the overlying limestone. The bluff at this point is 
over two hundred feet high, and is capped with great frag- 
ments of sandstone. The sandstone at the point of disap- 
pearance is growing calcareous, and is interbedded with 
stringers of calcareo-argillaceous gritty slate. One-fourth 
of a mile below, no sandstone appears at the river level, but 
the first twenty feet is obscured by limestone talus and there 
are no signs of sandstone fragments. The top of the bluff is 
capped by sandstone blocks. Less than one mile below Mt. 
Sterling, a bluff two hundred feet high, capped with broken 
sandstone, shows limestone from river level to summit. 
