784 ALES, 
EXPLANATION OF PLATE XXVI. 
Fic. 29. Side view of specimen used for Figs. 19, 20, 21 and 25. The skin 
and dermal bones have been removed, the dissection corresponding nearly with 
that shown in Fig. 19. X 1%. 
Fic. 30. Same as above, a deeper dissection, corresponding nearly with that 
shown in Fig. 21. X 1%. 
