One specimen was 6.1 mm ti-unk length and the 

 other was not measurable. The authors provided a 

 valuable discussion of the taxonomic problems of 

 the genus and suggested that B. stygius should be 

 applied at least to all known juvenile specimens. 



Acknowledgments 



Thanks to Eric Barham for sharing his unpub- 

 lished observations and for critically reading the 

 manuscript; to Janie Layton, Suzanne Latauska, 

 Robert Freligh, and Michael Schaadt for technical 

 assistance; and to Theodore Pietsch, Laurie 

 Stuart, Jay Quast, and an anonymous reviewer for 

 commenting on the manuscript. This work was 

 supported in part by a grant-in-aid from the Office 

 of Graduate Studies and Research, California 

 State University, Long Beach. 



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Charles P. Galt 



Biology Department 

 California State University 

 Long Beach. CA 90840 



519 



