FISHERY BULLETIN: VOL. 78, NO. 3 



for field collected larvae. The standard length 

 model can probably be applied to shrinkage of all 

 clupeidlike larvae if the patterns of calcification 

 are similar 



FORTRAN computer programs for the non- 

 linear models are available at the Southwest 

 Fisheries Center La Jolla Laboratory. 



ACKNOWLEDGMENTS 



I especially wish to thank James Zweifel for his 

 consultation, encouragement, and assistance in 

 developing these models. Thanks also to Joe 

 Caruso for his interest in the study and patient 

 assistance with the computer programs, Jack 

 Metoyer for assisting with the tedious task of 

 measuring larvae, Kathleen Coleman for helping 

 me by typing the draft and the tables, and Lor- 

 raine Prescott for typing the final draft. John 

 Hunter, Reuben Lasker, and two anonymous re- 

 viewers read the manuscript and offered many 

 helpful suggestions. 



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