EXPLANATION OF PLATE IILL 



Mouths and Teeth of Indian Torpedinid.^. 



\AU the teeth are drawn from preparations mounted in Canada balsam.] 



Fig. I. — Internal view of the mouth of Narcine timlci, x 4. 

 la. — Teeth of the same, x 75. 



2. — Internal view of the mouth of Narcine brimnea, x 4. 

 2a. — Teeth of the same, x 75. 



3. — Internal view of the mouth of Narcine mollis, x 6. 

 3rt. — Teeth of the same, x 75. 

 4. — Teeth of Torpedo marmorata, x 20. 

 5. — Mouth of Benthobatis moresbyi, x 8. 

 $a. — Teeth of the same, x 75. 



6. — Mouth of Aslrape di pterygia, x 6. • 



6a. — Teeth of the same, x 75. 

 7. — Mouth of Bengalichthys impeniiis, x 6. 

 ja. — Teeth of the same, x 75. 



