504 Coleopterological Notices. 



EXPLANATION OF PLATE IV. 



Fig. 1. Wing of Blapstinus dilatatus. 



Fig. 2. Wing of B. rnfipes. 



Fig. 3. Wing of B. niger. 



Fig. 4. Wing of B. inquisitus. 



Fig. 5. Wing of B. parallelus. 



Fig. 6. Wing of B. pratensis. 



Fig. 7. Wing of B. pimalis. 



Fig. 8. Wing of B. pulverulentus. 



Fig. 9. Wing of B. arenarius. 



Note. — The figures of the wings are drawn to the same scale throughout. 



Fig. 10. Posterior femur of Argoparis costipennis % . 



Fig. 11. Posterior femur of A. alutacea % . 



Fig. 12. Posterior femur of A. nitida % . 



Fig. 13. Posterior femur of A. bicoloir £ . 



Fig. 14. Prothorax of Tragosoma pilosicornis $ • 



Fig. 14 a. Elytral spine of same. 



Fig. 15. Prothorax of Tragosoma spiculum % . 



Note. — The spines at the sides are much too short and obtuse as drawn in 

 the figure. 



Fig. 15 a. Elytral spine of same. 



Fig. 16. Apex of the abdomen of Ergates neomexicanus £ . 



Fig. 17. Apex of the abdomen of Ergates spiculatus % . 



