New and old Silurian trilobites from southwestern Wisconsin, with notes on the genera of the Illaenidae
By: by Percy E. Raymond.
Series: Bulletin of the Museum of Comparative Zoölogy at Harvard College --  v. 60, no. 1; Bulletin of the Museum of Comparative Zoology -- v. 60, no. 1.
Publisher: Printed for the Museum
Published: 1916
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 41
Subjects: Arthropoda, Fossil.; Trilobites -- Wisconsin
Notes: Includes bibliographical references.