172 CERAMBYCID.E. 



Closely allied to P. bicinctus, but may at once be distinguished 

 from the Siberian species by the thorax wanting the lateral spine. 



Length 6 to 7 lines. 

 Hab. E. Indies. 



8. Polyzonus Mellyii, n. s. B.M. 



P. obscure viridis; elytris flavis fasciis tribus transversis nigro- 

 viridibus. 



Head dull green, punctured ; antennae black, first joint dull 

 green, punctured ; scutellum smooth, green ; elytra pale yellow, 

 with three transverse greenish black bands, one apical ; sometimes 

 the tip is yellow. Under side dark green, covered with yellowish 

 grey short hairs. 



Length 10 to 11 lines. 

 Hab. Int. S. Africa (Earl of Derby). 



9. Polyzonus scalaris. B.M. 



Polyzonus scalaris, Dej. Cat. p. 350. Chevr. Coll. 

 Hab. S. Africa (Dr. A. Smith). 



10. Polyzonus sexmaculatus, n. s. B.M. 



P. viridis, punctatus, elytris viridibus, singulis maculis tribus 

 flavis, una basali transversa, secunda et tertia suturam non at- 

 tingentibus, corpore subtus viridi subpubescente. 



Green, punctured ; elytra green, each with three yellow marks, 

 one transverse basal, second before the middle, third behind the 

 middle, last two not reaching the suture. Body beneath green, 

 slightly pubescent. 



Length 8i lines. 

 Hab. C. G. Hope (Ent. Club). 



11. Polyzonus clavicornis. B.M. 



Saperda clavicornis, Fabr. S. El. ii. 322. 



Oliv. Coll. iv. t. 3. f. 30. 

 Cerambyx grossicornis, Degeer, Mem. vii. 656. t. 49. f. 5. 

 Saperda sex-notata, Thunb. Mem. Ups. iv. 57. t. f. 2. 

 Polyzonus quadrinotatus, Bohem. Coll. Chevr. 

 Hab. Port Natal (Coll. Gueinzius). 



