242 W. WESCHE ON THE MALE GENITALIA OF THE COCKROACH. 



Fig. 2. The same preparation, seen from the left. 



Fig. 3. The paraphalli dissected out from the surrounding 

 parts. 



Fig. 4. Forceps superior. 



Fig. 5. Forceps inferior. 



Fig. 6. Cover of the containing apparatus. 



Fig. 7. Articulating piece at the base of the spinus titilla- 

 torius. 



Fig. 8. The forcipes interiores and the site of the atrophied 

 palpus; (a) ''corkscrew" forceps, (6) furcate forceps, (c) site of 

 atrophied palpus, (d) portion of containing apparatus — part 

 of theca. 



Fig. 9. Convoluted plate, part of containing apparatus. 



Fig. 10. Ejaculatory apodeme ; in this insect working the 

 containing apparatus. 



Fig. 11. Dome-shaped piece (part of containing apparatus) ; 

 (a) articulating piece to convoluted plate. 



Fig. 12. Upper piece, containing apparatus. 



Fig. 13. Articulating piece from interior of dome-shaped piece, 

 enlarged. 



/ourn. Quekett Microscopical Club, Ser. 2, Vol. X., So. 62, April 1908. 



