191 
were considerably thicker and longer than the labial tentacles. Two 
labial tentacles, the third counted from fhe directive tentacle, were 
Rgs. 14 & 16. harachnanlhus panamensiy Diagrams of the arrangen,ent of the 
mesenteries. Compare the text! 
ated about 0,, cm further down than the other inner labial tent¬ 
es. laking these two tentacles to be tentacles of the first order, 
ere are thus no other labial tentacles of this order. The cnido- 
