268 MARTIN F. WOODWARD. 



Fig. 51.— Seveuty-fourtli tooth, x 120. 

 Pig. 52.— Ninety-seventh tooth. X 120. 



Fig. 53. — Last four brush teeth and the seven flabelliform teeth, i. e. the 

 101st to the 111th tooth, from the left side of the radula. X 120. 

 Fig. 54. — Left jaw, from its inner side, x 9. 



