624 BOOKS RECEIVED. 
being all present. It contains occasional angular and rounded frag- 
ments of quartz, sometimes of gneiss or some other material, scat- 
tered through it.” 
This drift-sheet was described as extending from the Sierras down 
over the tertiary deposits occupying the low grounds along the 
shore. e Speaker mentioned the existence of cretaceous beds near 
Bahia, some fish remains which he found having been identified as 
ment of the sea, now extend along it like linear walls of rock. At 
Porto Seguro he discovered quite an extensive reef of coral, ey he 
was able to trace southward to the Abrolhos Islands. This reef he 
party, which he hoped would = fitted out by the new Natural History 
Section of the Cooper Institu 
_ Oe 
gor RECEIVED. 
Popular Review, on. July, October, 1867. 
acre A stein of Sen Speedie uly, October, 1 
Naturalist’s Book. Tondon. to November, 1867. 
hepical News and Journal of Physical ielaboe: New. York. September, October, 
de M. Aroi à M. Marcou sur la géologie de be oe de? Amazone, avec 
s de M. 
I ‘bear guts Jules Marcou. (Extrait de Bulletin de la Société géologique 
ponent t. xxiv.) 1867. 8vo, pp. 3. 
sg agen » to ascertain the ultimate Distribution of the Nerves of Gus- 
ultimate distribution not not terminal. By Rufus K, Browne, M.D. 8vo; 
PP. u pea York, 1867. 
: Bet ars of the Museum of poe Zoölogy. I. paier and 
rae By Theodore Lyman. Il. North American Acalephe. By Alexander 
A emoranda, No. 2. (From Proceedings California Academy of 
Aerial Science, August 20, 1867). 8vo, pp. 7. 
A amieta Encye. ice des we ade des Sciences. Vol. 6. July 6 to 
