CONTENTS
INTRODUCTION
METHODS AND TERMINOLOGY
ACKNOWLEDGMENTS
PALEONTOLOGY
SPECIATION
TAXONOMIC CHARACTERS Size and Proportions of External Parts
HABITS
CHANGES WITH AGE
Genus Proechimys J. A. Allen
Artificial Key to the Subgenera and Species
Subgenus Proechimys J. A. Allen
Subgenus TRINOMYS Thomas
INCERTA SEDIS Proechimys myosuros ( Lichtenstein )
CONCLUSIONS
TABLE OF MEASUREMENTS TABLE 1
LITERATURE CITED
Speciation in the Brazilian Spiny Rats
(Genus Proechimys, Family Echimyidae)
BY
JOÃO MOOJEN
University of Kansas Publications
Museum of Natural History
Volume 1, No. 19, pp. 301-406, 140 figures in text
December 10, 1948
University of Kansas
LAWRENCE
1948
University of Kansas Publications, Museum of Natural History
Editors: E. Raymond Hall, Chairman, A. Byron Leonard,
Edward H. Taylor
Volume 1, No. 19, pp. 301-406, 1 plate, 140 figures in text
Published December 10, 1948
University of Kansas
Lawrence, Kansas
PRINTED BY
FERD VOILAND, JR., STATE PRINTER
TOPEKA, KANSAS
1948
tb_001
22-3343
Speciation in the Brazilian Spiny Rats
(Genus Proechimys, Family Echimyidae)
By
JOÃO MOOJEN