of the male genital tube in Coleoptera. 229 



Lettering. 



a, broken edge of connecting membrane. 



an, aims. 



I), armature at base of fiagellum. 



cm 1, membrane connecting the tegmen with abdomen. 



cm 2, membrane connecting the tegmen with the median lobe. 



cp, cap-piece, or median extension of the edge of the tegminal fold. 



ej, cjaculatory duct. 



ft, fiagellum. 



fo, functional orifice. 



is, internal sac. 



ml, median lobe. 



ms, median strut. 



pstg, pseudo-tegmen. 



sp, spiculum. 



tf, tegminal fold. 



tg, tegmen. 



t$, tegminal strut. 



December 31, 1918. 



