TY  - BOOK
AU  - Schmidt,Karl Patterson
AU  - Andrews,E.Wyllys
TI  - Notes on snakes from Yucatan,
AV  - QL1 .F4 vol. 20, no. 18
KW  - Snakes
KW  - Mexico
KW  - Yucatán (State)
N1  - (In Zoological series of Field Museum of Natural History.  Chicago, 1933-1938.  24 cm.  v. 20, no. l8, p. 167-187.  illus.); In lower left corner: no. 372; "References": p. 186-187
ER  -