

ft 



J. W. LANGELAAN. "On the Form of the Trunk-myotome 



Fig. I. 



Trunkmyotome of Petromyzoii nuviatiles. Enlargement 2 tin 



Fig. IV. 



Trunkmyotome of Acanthias; ventral part in natural 



Trunkmyotome of Acanthias; dorsal and lateral part in natural size. 

 Proceedings Royal Acad. Amstejdara. Vol. VII. 



