new genera and species of Callichromina?. 413 



puuctato, liuea dorsali suIiLtvI: elytris omniuo discrete sed 

 crel)re pimctulatis, post medium fascia angusta fiava : corpore 

 subtus argenteo-sericeo. Long. 7-8 lin. 9 • 

 Cocliin China and Saigon, 



Distinguished from the closely allied A. bijmsfulatus (Thoms.) 

 by the much more conspicuous and larger punctuation, besides 

 the margined muzzle and nearly continuous fascia of the elytra. 



Polyzonus meridionalis. 



P. bicincto (Oliv.) multo major et roliustior: obscure cyaneus, 

 opacus, elytris fasciis duabus latis rectis flavis: capite scabroso- 

 punctato : thorace grosse confluenter punctato : elytris pube 

 tenui decumbent! vestitis, fundo subtiliter punctulatis, utrinque 

 obsolete bicostatis, fasciis llavis quam fascia cyanea inter jecta 

 dimidio latioribiis: corpore subtus dense griseo velutino. Long, 

 8-10 hn. ^, 9. 



$ Segmeutum 5 ventrale apice arcuatim emarginatum ; sextum 

 angustum apice profunde emarginatum : pygidium valde con- 

 vexum, subovatum. 

 Hong Kong. 



Polyzonus Saigonensis. 



Robustus, capite et thorace relative elongatis; atro-chalylieus, 

 elytris fasciis duabus flavis latissimis: capite punctato scabroso: 

 thorace elongato, tuberci;lis lateralibus validis acute conicis, 

 supra intricato-rugoso, basi sulcato-constricto, margine postico 

 dorsi elevato : elytris gradatim angustatis, pube tenui griseo 

 vestitis, subtilissime punctulatis : corpore subtus pedibusque 

 chalybeis illo argenteo-sericeo : antennis scapo difEormi, autice 

 retuso postice valde sinuato. Long. 9 lin. $ . 



Saigon. 



Polyzonus obtusus. 



Rolnistus, atro-chalybeus, elytris fasciis duabus ilavis latissimis: 

 capite antice subtiliter rugoso opaco; thorace medio rotundato- 

 dilatato, pleuris anticis tumidis, basi fortiter conslricto, dorso 

 longitudinaliter, margine antico transversim, elevato-strigoso, 

 pleuris minute granulatis : scutello l;\jvi : elytris pube teniu 

 griseo vestitis, subtilissime piuictulatis: corpore subtus grisco- 

 sericco : antennis scajjo normal!, pimctato, nitido. Long. 11^ 

 Hn. $. 



Saiuou. 



