46 PRIONID.E. 



the smooth space ; on the inside of it there is a groove ; the margin 

 is toothed with nine or ten crenated teeth, a space on each side 

 of it coarsely punctured. Scutellum somewhat rounded behind, 

 transversely hollowed out at the base. Elytra with three longi- 

 tudinal not much elevated carina?, that nearest the suture not 

 reaching the tip of the elytra; the second and the third joined 

 together at the end ; the third not extending up to the shoulder. 



Length 18i lines. 

 Hab. Fantee (W. Africa). From Mr. Bowdich's Collection. 



13. Mallodon Downesii. B.M. 

 Mallodon Downesii, Hope, Ann. Nat. Hist. xi. 366 (1843). 

 Hab. Fernando Po. 



14. Mallodon Arabicum. 



Mallodon Arabicum, Buq. Rev. Zool. Cuv. 1843, p. 330. 

 Hab. Arabia. 



15. Mallodon costulatum. B.M. 



Mallodon spinibarbe, Haldem. p. 31. 



Mallodon costulata, Leconte, Journ. Acad. Nat. Sc. Phil. n. s. 



ii. 111. 

 Hab. N. America (Georgia). 



16. Mallodon melanopus. B.M. 

 Cerambyx melanopus, L. Syst. Nat. ii. 623. 



Prionus melanopus, Fabr. S. El. ii. 264. 

 Cerambyx crenulatus, Drury, III. i. pi. 38. f. 2. 

 Hab. S. ximerica and W. Indies (Jamaica). 



17. Mallodon cilipes. 



Mallodon cilipes, Leconte, Journ. Acad. Nat. Sc. Phil. n. s. ii. 111. 

 Prionus cilipes, Say, Journ. Acad. Nat. Sc. iii. 327. 

 Mallodon simplicicolle, Hold. p. 30. 

 Hab. N. America (U. States). 



18. Mallodon dasystomus. B.M. 



Prionus dasystomus, Say, Journ. Acad. Nat. Sc. iii. 326. 



Mallodon melanopus, var. major, Haldem. 



Mallodon dasystoma, Leconte, Journ. Acad. Nat. Sc. Phil. n. s. 



iL 112. 

 Hab. N. America (U. States). 



19. Mallodon spinosum. 



Mallodon spinosum, Newman, Charlesworth's Mag. Nat. Hist. 



iv. 194. 

 Hab. Mexico. 



