TY  - JOUR
A1  - Smith, B.
JO  - Proceedings of the Academy of Natural Sciences of Philadelphia
N1  - Apr.-Sept. 1907
C1  - 59(2): 208-219, pl. 17
TI  - A contribution to the morphology of <i>Pyrula</i>
UR  - http://www.biodiversitylibrary.org/page/24684794|https://www.jstor.org/stable/4063141?seq=1#metadata_info_tab_contents
PY  - 1907
Y2  - 2026-10-10
ER  -