PLATE IV 



/ec 



Fig. 395. 



F-e. 398. 



Fig. 396. 



Fig. 397. 



Fig. 399. 



SEXUAL ORGANS OF LACHNOSTERNA. (After Smith in Froe. U. 8. Nat'l Museum. Vol. XI, 1888; Fifs 97 and 



398 after Forbes.) 



Fig. 395, L. hurini (4 figs.); Fig. 396, L. implicita (4 figs.); Figs. 397 and 3911, L. nujmn (6 figs.); Fig. 398' 



L. jusca (2 tigs.). 



