About the cover
The scale worm Ardonoe pulchm on the ,varty sea cucumber (Apostichopus parvi111e11-
sis). Photo by Larry Jon Friesen. D r . Friesen's spectacular photographs were also
part of the Second Edition of Invertebrates (including its cover), and over 130 of his
photographs grace the pages of this Third Edition. The success of this project has
been due, in no small part, to his contributions.
Larry Jon Friesen, PhD, con1pleted his graduate research at the University of
California, Santa Barbara, in Ani,nal Communication. Dr. Friesen is a Professor of
Biological Sciences at Santa Barbara City College, teaching Cell Biology and Ani,nal
Diversity and incorporating his life-long passion for nature photography.