The Hercynian question
Subtitle: a brief history of its development and present status, with a few remarks upon its relation to the current classification of American palaezoic faunas
By: by J.M. Clarke
Publisher: James B. Lyon, State printer
Published: 1889
Place of publication: Albany
Language: eng
Number of pages: 32
Subjects: Trilobites; Paleontology
Other titles: American palaezoic faunas
Notes: "Extract from forty-second annual report, N.Y. State Museum."