NEMERTEANS OF THE PACIFIC COAST 

 OF NORTH AMERICA 



PART II 

 BY WESLEY R. COB, PH.D. 



CONTENTS 



Introduction 113 



Alaska species found in California 118 



Species new to west coast of North America 119 



Distribution of all species known from region 121 



Key to new species and species new to region 125 



Systematic discussion of new species 129 



Index to genera and species 219 



INTRODUCTION 



SINCE the publication of the report on the Nemerteans col- 

 lected on the Harriman Alaska Expedition, 1 I have had an 

 opportunity of studying extensive collections of this group 

 of worms from Alaska and from other portions of the Pacific 

 coast of North America. The report on these collections is 

 soon to appear in the Bulletin of the Museum of Comparative 

 Zoology. I have also found opportunity to spend a summer 

 on the coast of California, 2 where I obtained a considerable 



1 Published in Proc. Wash. Acad. Sci., in, pp. i-no, pis. i-xm, March, 1901. 



To Dr. Wm. E. Ritter, of the University of California, for the hospitality 

 of the Marine Laboratory at San Pedro, and to Dr. C. H. Gilbert, of Stanford 

 University, for similar privileges at the Hopkins Seaside Laboratory at Pacific 

 Grove, the writer wishes to express his most cordial thanks. The writer is also 

 indebted to Professor C. B. Wilson, of Westfield, Mass., for numerous speci- 

 mens and very valuable notes on California Nemerteans ; and to Mr. J. F. Abbott, 

 formerly of Stanford University, for numerous important notes and drawings 

 from specimens collected at Monterey Bay, Calif. 



("3) 



