IO 



DISCOVERY REPORTS 



en gg 



rm bpr 



rm bpr 





Text-fig. 2. Swimbladders of PoUichthys mauli, viewed (a) ventrally, (b) laterally, and (c) in position in body-cavity of 

 fish, and Bonapartia pedaliota, viewed (d) ventrally, (e) laterally, and (f) in position in body-cavity of fish. Veins shown black, 

 arteries white, a, artery to gas-gland; bpr, by-pass branch of retial artery; en, resorbent capillary network; gg, gas-gland; 

 ra, retial artery; rv, retial vein; rm, rete mirabile, vc, vein to capillary network, (a, X20; b, x 12-5; C, x 1-5 ; D, x 10; E, x 6; 

 f, xo-9.) 



