122 Scientific Intelligence. 
position of Jand and water; and from some incomplete calculations I 
have myself made on the subject, I think it highly improbable that such 
causes could have ever produced a temperature in the sea at 76° nort 
atitude which would allow of the existence of Ammonites, es 
the alten t of the lower Oolitic period.” 
9. Descriptions of New Tertiary Fossils from Oregon and Washing- 
ton Territories, and new Cretaceous species from Vancouver's Island, col- 
lected by Dr. Evane ; by Dr. B. F. Saumarp, (Trans. Acad. Sci., St. Louis, 
1858, p. 120). —The Tertiary species are siz in number, the Cretaceous 
two. The latter are Inoceramus Vancouverensis and Pinna Calamitoides. 
They are stated to occur with a Nautilus (apparently identical with ¥. 
nies of Morton me other species) in an argillaceous limestone. 
t of a Geological Reconnaissance in California, made in con-. 
ae with the Expedition to survey routes in California to connect with 
the collections Oy Prof, — z, A. A. yea M.D., Prof. J. W. Bat- 
try, T. A. Conran, — JoHN Sere Prof, Gzorcr. C. Scuazrrer, J. 
Des - 336 pp., 4to, with numerous wood-cuts and 4to plates. 
New York, 1858. H. Bailliere. —This volume is-a separate ee 
(with some corrections) of a part of the fifth volume issued 
ral “government, ss the subject of the Explorations and Surv ae for it 
southern part of the Great Bade sane Colorado Dee 
closing with = on the Gold Region. Some notice of the observations 
; orography was given in our last number; and in previous volumes 
es have published part of the results of Mr. Blake’s observations “e 
in notices of his preliminary publications or in communications from 
himselé These notices on alte Colorado — vol. xvii, 
cee ak itis oon se 
