Plate IV. 



Fig. 397. Fig. 399. 



Sexual Organs of Lachnosterna. (After Smith in Proc. U. S. Nat'l Museum. Vol. XI, 18S8; Fits S97 and 



398 after Forbes.) 



Fig. 395, L. hornii (4 figs.); Fig. 396, L. implicita (4 figs.); Figs. 397 and 399, L. rugosa (6 figs.); Fig. 398' 



L. fusca (2 figs.). 



