Plate IV. 



Fig. 395. 



Fig. 397. 



Sexow. Organs of 



UCHNOSTDKNA. (After Smith in Proc^U .. 

 398 after Forbes.) 



Fig. 399. 

 U.S. Nat'l Museum. Vol. XI, 1888; Fies S97 and 



398 after 1 

 , .„„;.•„•,. f4 fi.8.-): FiEs. 397 and 399, L. mom (6 figs.); Fig. 



