SURVEY OF STRUCTURE 



st int sb 



39 



^ 



D 



Text-fig. 21. Swimbladders of Lampadena chavesi (a) in body-cavity; (b) ventral view; (c) dorsal view (anterior end), and 

 (D) Notolychnus valdiviae, lateral view, gg, gas-gland; int, intestine; k, kidney; ov, oval; rm, rete mirabile; sb, swimbladder; 

 st, stomach, (a, x 6-9; b, x 99; c, x 18-9; D, x 30.) 



