578 Descriptive Catalogue [1896. 



Platynus alacer, Bohem., 

 Insect. Caffr., i., p. 175. 



Bronze-green, opaque, on the upper part, piceous black, black 

 underneath ; the three basal joints of antennae as well as the palpi 

 and legs are tiavescent, the other joints of antennae are infuscate ; 

 head smooth ; prothorax narrow, elongate, ampliate in the anterior 

 part, almost hexagonal in the male, more rounded laterally in the 

 female, basal outer angles suboblique, finely plicate transversely on 

 the disk, and with a very narrow fiavescent edging ; elytra oblong, 

 nearly twice as broad as the prothorax, sinuate behind, plane, finely 

 striate, with the intervals plane and very finely shagreened, outer 

 margin fiavescent ; under side piceous red. Length 8-8^ mm. ; 

 width 3-3^ mm. 



Hah. Natal (D' Urban), Bechuanaland (Eamoutsa), Zambezia 

 (Salisbury), Damaraland (Kookarrah). 



Platynus namaquensis. 



Bronze, shining on the upper side, antennae, palpi, and tarsi 

 black ; head and prothorax smooth, the latter is a little longer than 

 broad, slightly ampliate laterally above the median part, but nearly 

 straight from there to the basal angle, which is sharp, but the lateral 

 part of the base is slightly oblique ; posterior outer margin not 

 recurved ; elytra elongato-ovate, plane, hardly sinuate behind, faintly 

 striate, with the intervals plane and indistinctly aciculate ; under side 

 bronze-black. Length 8 mm. ; width 3 mm. 



Hah. Cape Colony (Namaqualand). 



Platynus diversus. 



Bronze, shining on the upper side ; palpi, legs, and the thi'ee 

 basal joints of the antennae rufescent, the other joints black ; head 

 and prothorax smooth, the latter is as broad as long, ampliate in the 

 anterior part, very little attenuate and not sinuate behind, posterior 

 angle blunt, and outer margin slightly recurved behind ; elytra 

 elongato-ovate, hardly sinuate behind, plane, distinctly striate, with 

 the intervals nearly smooth ; under side bronze - black. Length 

 8 mm. ; width 3 mm. 



Hah. South Africa. No exact locality. (Dr. Holub.) 



Platynus haepaloides. 

 Head and prothorax black, shining ; palpi and antennae, with the 

 exception of the first joint which is red, deeply infuscate ; legs 

 rufescent ; head and prothorax smooth, the latter is a little rounded 

 laterally from apex to about the median part, straight from there to 

 the posterior angle, which is moderately sharp, basal part a little 



