232 MR. MARTIN JACOBY ON [Feb. 16, 



followed by the deep transverse svilcus, anterior angles tuberculate, 

 the sides from the middle to the tubercles obliquely diverging, the 

 surface impunctate, with the exception of a few minute punctures 

 at the middle of the disc, the latter with two foveae, one at each 

 side before the middle, and joined at the latter place by a feeble 

 curved groove, only visible in certain positions ; elytra sub- 

 cylindrical, feebly depressed below the base near the suture, the 

 shoulders rounded, the punctures closely placed and moderately 

 strong, much finer towards the apex, the ninth row entire, inter- 

 stices flat and impunctate except near the apex where the}^ are 

 raised ; below and the legs black, finely pubescent. 



Hah. Mashonaland (my collection). 



This is another of the smaller-sized blue species, closely allied 

 to L. aziorea Lac, but differing in the curved antemedian 

 depression of the thorax which ends in a fovea at each side ; from 

 L. suahilorum Weise, the absence of the deep elytral depression, 

 the frontal tubercles of the head, and the larger size will separate 

 the species. L. acutangula Weise has the antennae and the tibife 

 and tarsi more or less testaceous, also a punctured thorax, and 

 L.fugax Weise has likewise a closely-punctured thorax and is of 

 smaller general size. 



Lema graminis, sp. n. 



Below, the head, antennte and the tarsi black, above testaceous, 

 antennae short ; thorax subcylindrical, scarcely constricted, im- 

 pixnctate ; elytra closely punctate-striate ; scutellum black. 



Length 3| millim. 



Head flat, black, sparingly pubescent, the eyes prominent, 

 entire ; antennee not extending to the middle of the elytra, the 

 terminal joints widened, black, the lower four joints more or less 

 fulvous ; thorax subcylindrical, but slightly constricted near the 

 base, with a very feeble transverse groove near the same place, 

 preceded at the middle by a short longitudinal depression, im- 

 punctate, Avith the exception of some extremely minute punctures 

 at the middle of the disc ; scutellum black ; elytra testaceous, with 

 deep pimctures placed in closely approached rows, the interstices 

 near the apex costate ; legs flavous, the breast, abdomen, and the 

 tarsi black. 



Hah. Salisbury, Mashonaland, on I'oot of grass {G. Marshall). 



This little species is of the same Saljnngus-Xike shape as L. hrevi- 

 cornis Jac, but dififers in the colour of the antennae and in the 

 black underside ; the thorax above also is of more convex shape 

 than in the allied species and the head is black. 



Lema nigrofrontalis, sp. n. 



Elongate and narrow, testaceous, the antennae and a spot on 

 the top of the head fuscous, the latter pubescent ; thorax with a 

 fovea at the sides, impunctate ; elytra closely punctate-striate, the 

 suture and a spot on the shoulder black ; tarsi stained with 

 fuscous ; breast black. 



