and of unchnracterized species of Halticina. 299 



piceo-fulvous ; antennae nearly equal to the body in length, 

 fulvous, the apical joint stained above with piceous ; 

 second joint thickened, ovate, nearly equal in lengtli to 

 the first, rather longer than the third. Thorax rather more 

 than half as broad again as long ; sides parallel, straight 

 at the base, slightly rounded before the middle, anterior 

 angles obliquely truncate, produced laterally into a very 

 short acute tooth ; upper surface convex, remotely punc- 

 tured, the punctures very faint and more distant on the 

 anterior disk, rather deeper and rather more crowded near 

 the base ; each of the four angles furnished with a single 

 very long white hair. Elytra much broader than the 

 tliorax, convex, each depressed transversely before the 

 middle, strongly punctate-striate, the strise much less 

 deeply punctured towards the apex ; interspaces plane, 

 faintly convex on the outer disk. 



Aphthona amazona. 



Oblongo-ovata, convexa, nigra, nitida, antennarum 

 basi pedibusque piceis, his nigro pictis ; thorace \?ex\, 

 minute sed parce punctato, vertice fere impunctato ; 

 elytris tenuiter punctato-striatis, interspatiis planis. 



Long. 1 lin. Hab. — Amazons, Para. 



Head trigonate ; vertex and front shining, impunctate ; 

 encarpas large, ill-defined, ovate, contiguous ; carina well- 

 defined, elongate, attenuated at base and apex ; antennae 

 more than half the length of the body, the three lower 

 joints pale piceous, the rest black. Thorax nearly twice 

 as broad as long ; sides moderately rounded, anterior 

 angle obliquely truncate, its outer end produced laterally 

 into a short acvite tooth ; upper surface convex, nitidous, 

 sparingly impressed with minute punctures on the basal 

 half of the disk, the anterior half nearly impunctate. 

 Elytra broader than the thorax, regularly rounded at the 

 apex ; convex, very finely pmictate-striate, interspaces 

 plane, sparingly imjjressed with very minute punctures. 

 Legs pale piceous, thighs and tibia2 stained with black or 

 dark piceous. 



Genus PiiYLLOTRETA, Foudras. 

 Phyllotreta jamaicaensis. 



Elongata, angustata, modice convexa, nitida, subtus 

 nigra, tibiis tarsisquc obscure piceis; supra cyanco-viridis, 



