Miscel.aneous Intelligence. — 
3. On the Physical Geography of, and the Distribution of 
Terrestrial Mollusca in, the Bahama Islands ; by Tuomas Bianp. 
nn. Lyc. Nat. Hist., N. Y,x, Nos. 10, 11, March—June, 1873.) 
tion with the latter island.” 
After alluding to some observations in Dana’s Corals and Coral | 
Islands on the diminished size of the islands to the eastward, and 
the evidence of subsidence found in the fact, Mr. Bland continues 
his paper as follows: : 
“The facts regarding the diminution is size of the islands of 
Oo 
in size to the southeast, where are situated at its termination the 
submerged Mouchoir Carré, Silver and Navidad Banks. in a 
rth i 
Cleve, resembling the Bahamas), Sombrero and the Anguilla Bank, 
terminate the chain of the West Indies (parallel with the Baha- 
n the caves of Anguilla, the remains of large extinct mam- 
malia are found, which must have inhabited a far more extensive 
“ Packard (Amer. Nat., 1872) remarks, ° There is every proba- 
bility that the separation of these islands (of the eastern part of 
t 
“The same author (J. ¢. 18), referring to the ‘ Leeward Islands,’ 
states as follows: 
i. also Cope, Proc. Acad. Nat. Sci. Philad., 1868, and Bland, Proc. Amer. 
il. Soe., 1871. 
+ Helicina convexa is common to Bermuda and Barbuda. 
« 
