400 Miscellaneous Intelligence. 
r. A, Agassiz, Mr. Theodore Lyman, and others, in the Cat 
logues and Bulletins of the Museum of Comparative Zodlogy and 
en repe 
edly referred to in English periodicals and in public addresses 
land, 
ed correspondence between Dr. son, Dr. Carpenter, Genera 
Sabi r. Romaine, and the secretary of the Royal Society, 
which preceded the organization of the first English expedition, 
at the time, that the suc- 
cess of the American exploration had some influence upon the 
ting out of that expedition. The first of the published psc 
ay 
ing the possible results [already in part realized by Pourtalés], 
and alluding to the important discoveries made by Dr. G. O. Sars, 
Bowrtales or the 
id 
theories of previous writers are given and discussed, in the light 
of t numerous facts recently acquired concerning its ph 
nomena. 
It will be of interest to many to learn that the author does not 
sanction the direct-heat theory recently proposed and strongly 
urged by his colleague, Dr. Carpenter, to account for this and 
tinually forming ever since the Cretaceous period, or even earlier, 
* A brief historical sketch of the Gulf Stream explorations is given by rm 
talés in the introduction to his “ Deep Sea Corals,” Illustrated Catalogue of the “u- 
seum of Cc ive Zodlogy, No. IV, 1871; and in Petermann’s Geographische 
Mittheilungen, Heft xi, 1870. 
