PLATE 13. 



SQUALIDAE. 



Fig. 1-4. Centrophorus atromarginatus (Page 200). Fig. 5-8. Centroscymnus owstonii 

 (Page 205). 



1. Lateral view of a specimen 34 inche.s long. 



2. Teeth from the front end of the jaw. 



3. Head from below. 



4. Scales from near the middle of the flank. 



5. Lateral view of a specimen 30f inches long. 



6. Teeth from the front end of the jaw. 



7. Head from below. 



8. Scales from near the middle of the flank. 



I 



