No. 4S9] 



plished (luriiio- aililiidioii l>iu 

 metliod of aiK.iiilini: the >}nuv 

 is 0})eiH'(l widely when the tin i 

 the lii).s of the poiv. if aiiytlm 

 abduction of the fin. In a])} 

 lips of the pore are contiinied 

 folds with a jrroove between tli 

 a safe conduit from the pore to 



The t^hinds are pear-sha])ed, 

 with tiie apex toward the axil- 

 lary pore (Fig. 2, p. g. and p. 

 o.). In most species examinee I , 

 the gland is inclined l)ackwards 

 and lies just beneath the skin 

 and entad of the posthnmeral 

 process (Fig. 2, h). Jt is sur- 



gland was o nun. 



The glands are divi.led into 

 three main lobes, each of wliicli 

 i.^ub(H^id(>dintolo],nk-. Tlu- 

 lumen of the gland i> extremely 

 narrow (^xcept near the pore 



