TY  - JOUR
T1  - Some Remarks on the Difficulty of Distinguishing Certain Genera of Shells; and on Some Anomalies Observed in the Habitations of Certain Species of Mollusca. 
JF  - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843)
VL  - 3
SP  - 340
EP  - 341
PY  - 1830/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1830.0211
M3  - doi:10.1098/rspl.1830.0211
AU  - Gray, J.
ER  -