TY  - BOOK
AU  - Walcott,Charles D.
TI  - Cambrian Brachiopoda,
AV  - QE75 .M7 v. 51
PY  - 1912///
CY  - Washington
PB  - Govt. print. off.
KW  - Brachiopoda, Fossil
N1  - Bibliography: p. 13-26; pt. 1. Text.--pt. 2. Plates
ER  -