. 
416 Scientific Intelligence. 
hat é eht feet will bring the 
whole space which intervenes between the present land and the 
ra 
erly direction—not only out to the reef, but to a greater distance. 
ore 
canus) which now inhabits them, were in the habit every evening 
of winging their flight from the main island toward the north. 
habit of this bird to leave its roosting place for distant feeding 
rounds during the day, to return at random, is one of its well- 
to 
support the supposition that the Bermudas once presented a much 
gore extensive aspect than they do at present, and certain addi- 
tional evidences which I hope to Fe forward shortly in a collec 
form, will, I conceive, tend to confirm my impression that th 
uri 
which extended in somewhat semicircular form for a distance of 
aoyenty or eighty miles, and which have suffered submergence sal 
a depth only to be correctly ascertained by borings, which might 
be successfully accomplished under the auspices of the Govern- 
ment at a triflmg expence.—Wature, Aug. 1. 
10. History of the names Cambrian and Silurian in Geology, 
by T. Srerry Hunr. 64 pp. 8vo. From the Canadian Nat 
uralist for April and July, 1872.—Prof. Hunt has here made 
valuable contribution to historical geology. But the conclusion 
of the whole matter that the name Cambrian should be now BH” 
in this and other lands for the Primordial or part of it, because 
this would be in accordance with “historic truth,” does not se¢e™ 
note Rak r to follow. 
__ In England, the so-called Cambrian has turned out, as Hee a 
—— Primordial in its upper half at least—a part now call 2 
