CONTENTS 



Page 



Acknowledgment 1 



Materials 1 



Methods 3 



Measurements 3 



Comparison of data 3 



Results 3 



Body depth 3 



Caudal -peduncle depth 4 



Prepelvic distance 5 



Predorsal distance 5 



Head length 6 



Discussion 7 



Summary and conclusions 10 



Literature cited 10 



Appendix 12 



