TY  - JOUR
TI  - Notes on Physa triticea of Lea; its relations and comments on the variation, etc. of Physae
T2  - The Nautilus
VL  - 3
UR  - https://www.biodiversitylibrary.org/part/95629
PB  - American Malacologists, inc., etc
CY  - Melbourne, Fla., etc
PY  - 1889
SP  - 49
EP  - 51
AU  - Stearns, Robert E. C. (Robert Edwards Carter),
ER  -