A. E. Verrill—The Bermuda Islands; Geology. 189 
chapter 30 for figures.) Delicate shells of Mollusca (Ceeum, ete.) 
were found entire in the same layers, indicating that they were 
deposited in rather quiet water, either below low-tide or in a shel- 
tered locality. 
The species and varieties from these beds that are not certainly 
known to be living in Bermuda waters are the following: 
?Strombus accipitrinus. 
Fasciolaria distans. 
Scala, sp. 
Livona pica. Common. 
Venus,—a large lamellose species. 
Callista (?), like C. maculata in form. 
Phacoides pennsylvanicus, var. somersensis Ver. 
Balanus,—a large, massive species. 
?Mycetophyllia Lamarckana. 
?Meandra areolata. 
Melitta testudinata. 
26. Fossils of the Molian limestones and sands of the Devonshire, 
Paget, and later formations. 
Certain portions of the zolian limestones must have been of the 
same age as the raised beach deposits, and seem to be continuous 
with them at some localities on the south shores, but others, and 
perhaps the larger part, are of later origin, down to modern times. 
In some places they rest upon the beach limestone unconformably. 
(See above, pp. 73-80, and plates xvi-xix.) At present it is impos- 
sible to determine the relative age of most of these zolian limestones. 
We know that some rest directly upon the older beach deposits or 
are continuous with them, and overlaid by thick strata of still later 
origin, yet it is not known that any characteristic differences can be 
made out in the fossils that they contain. Hence I have here grouped 
together all the fossils from these newer exolian deposits, whether 
supposed to be contemporary with the Devonshire beach deposits or 
later. 
Although we have not, at present, sufficient evidence to prove any 
great change in the physical conditions between the Devonshire 
and Paget periods, there are certain facts that indicate greater 
changes of level than the few feet of elevation above the sea, now 
shown by the ordinary beach deposits. The discovery by us of a 
layer of hard marine limestone, near Hungry Bay, composed largely 
Trans. Conn. Acap., Vou. XII. 15 Marca, 1906. 
