57^ 'Journal of Comparative Neurology and Psychology. 



Fig. 12. A horizontal section through the velum just dorsal to its orifice. The fine branches of 

 the velar nerve in the tentacles are not drawn, mand., mandibular ner\e. Magnification, 60 diameters. 



Fig. 13. A section through the border of the velum showing the endings of the velar nerve and 

 two fibers, mf, supplying the m. velo-hyomandibularis posterior. Magnification, 60 diameters. 



