North American starfishes / by Alexander Agassiz.
Publisher: Scholarly Publishing Office, University of Michigan Library
Published: December 20, 2005
Language: eng
Format: Paperback
Number of pages: 328
ISBN-13: 9781425532758
Subjects: History / United States / General
First sentence: Differences of the Sexes.-Since the existence of different sexual organs in separate individuals was first pointed out among the lower animals, the tendency of every additional advance in our knowledge of their structure has been to bring out more fully the differences of sex between them.