PLATE V. 

 ANATOMY OP THE; DORCASIINAE. 



Figs. 1-8. Reproductive organs, showing the genital opening above, the 

 albumen gland and vesicula seminalis below, the hermaphrodite gland on the 

 right, the penis on the left, and the receptaculum seminis in the middle. 

 Fig. 1. Trigonephnw globulus (Miill.) x 3. 

 ,, 2. 2'. rosaceus (Miill.) x 1*5. 

 ,, 3. T. porplnjrostoma (M. & P.) x 1-5. 

 ,, 4. T. namaquensis (M. & P.) x 3. 

 ,, 5. 2'. lucanus (Miill.) x 2-25. 

 ,, 6. Dorcasia coagulum (v. Mts.) x 3-3. 

 ,, 7. D. rogersi, nov. x 3'3. 

 ,, 8. D. alexandri, var. rotundata (Mouss.) x 4. 



Figs. 9-11. Spermatozoa, showing the head and anterior end of the tail. 

 Fig. 9. Trigonephriis globulus (Miill.) x 1,200. 

 ,, 10. 2'. lucanus (Miill.) x 1,200. 

 ,, 11. Dorcasia alexandri, var. rotundata, Mouss. x 1,200. 





