182 MR. MAIITIN JACOBY ON' NEW SPECIES [Mar. 4, 



the middle of the elytra, the second and third joints short, nearly 

 equal ; thoi-ax twice as broad as long, slightly narrowed anteriorly, 

 the sides nearly straight, the anterior angles oblique, the posterior 

 margin sinuate, the basal sulcus very deep and sinuate, the sur- 

 face impunctate, flavous ; scutellum broad ; elytra ovate and 

 convex, with a distinct depression within the shoulders, i-ufous, 

 shining and impunctate ; underside and legs paler, the posterior 

 femora black except at the extreme base, metatarsus of the 

 posterior legs elongate. 



Hah. Espirito Santo, Brazil. 



A small species, distinguished by the colour of the antennfe, of 

 the elytra, and that of the posterior femora. 



Lactica clarki, sp. n. 



Elongate, subdepressed, flavous ; labrum and the antenna? (the 

 basal two joints excepted), the knees, tibifo, and tarsi black ; thorax 

 not narrowed in front, impunctate, with deep basal sulcus ; elytra 

 narrow and parallel, nearly impunctate. 



Length 3 millim. 



Head impunctate, the frontal tubercles broad, feebly raised, carina 

 likewise flattened and broad ; labrum and palpi black ; eyes large, 

 entire ; antennae comparatively short and robust, black, the basal 

 two joints flavous, third joint scarcely shorter than the fourth ; 

 thorax ti'ansverse, scarcely twice as broad as long, the sides 

 perfectly straight, not narrowed in front, the anterior angles 

 strongly oblique, the lower point of the angles in shape of a small 

 tooth, posterior angles likewise dentiform, the basal sulcus deep 

 and straight as well as the lateral perpendicular grooves, the 

 surface impunctate ; scutellum broad, triangular ; elytra with 

 some extremely minute punctures, only visible under a strong 

 lens ; the knees, tibiae, and tarsi black, the rest of the underside 

 and the legs flavous. 



Hah. Paraguay. 



A distinct little species on account of the shape of the thorax, 

 which is not narrowed in front as in the majority of the species, 

 and the comparatively robust antennae ; the general shape is also 

 less ovate and convex. 



Lactica bbevicollis, sp. n. 



Elongate, moderately convex, testaceous ; the antennae (the 

 basal joint excepted), the knees, tibiae, and tarsi black ; thorax 

 one-half broader than long, impunctate, the basal sulcus deep and 

 straight ; elytra impunctate. 



Length 4|-5 niiUim. 



Head impunctate, the frontal elevations distinct and rather 

 broad, the carina narrow and acute ; eyes large, entire ; antennae 

 extending beyond the middle of the elytra, black, the basal joint 

 flavous, third joint distinctly shorter than the foui'th ; thorax 

 only one-half broader than long, distinctly narrowed anteriorly, 

 the sides straight, with a very narrow margin, the anterior angles 



