On new African Cetoniide. 257 
darker colour, and the dental and cranial- characters above 
described. G.congicus, Noack, is probably synonymous with 
G. poensis, the describer having been misled by Dobson’s 
erroneous statement that the inner upper incisors of the 
latter species were unicuspid. 
XXXV.—On a new Genus and Two new Species of African 
Cetoniide. By GiuBert J. Arrow, F.E.S. 
In a collection of Coleoptera from Mashonaland lately 
received from Mr. Guy A. K. Marshall is a species of 
Cetoniidze of such peculiar form that it was only by a minute 
study of its structure that I could convince myself that it 
really belonged to that family of beetles. Although it proves 
to have a close relationship to the somewhat aberrant genus 
Myoderma, it is so far modified in outward appearance, 
apparently in adaptation to a highly peculiar mode of life, 
that there can be no doubt, I think, as to the propriety of 
bestowing upon it a new generic, as well as specific, name. 
From its assimilation in form to the Dynastid type, and 
especially that of the American genus Ligyrus, I have given 
it the name of 
LIGYROMORPHUS. 
Corpus globosum, undique setosum. Pedes breves, tarsis exiguis, 
tibiis anticis bidentatis, dentibus spatulatis, tibiis quatuor posticis 
extus grosse asperatis, medio tuberculatis, apice dilatatis. Pro- 
cessus sternalis nullus. Clypeus longus, excavatus, marginis 
antici medio paulo lobato.. Labium fortiter bilobatum. 
Ligyromorphus rufiventris, sp. n. 
Oblongo-rotundatus, nigro-fuscus, opacus, corpore subtus cum 
pygidio rufis, supra undique rugoso-punctato, minutissime setoso ; 
capite angusto, oculis parvis, clypeo excavato, marginis medio 
paulo producto; prothorace strigoso-punctato, lateribus valde 
curvatis, haud angulatis, angulis posticis obtusis, margine postico 
leviter trisinuato ; scutello breviter triangulari, lateribus extremis 
politis; elytris convexis, vage costatis, lateribus fortiter et 
regulariter curvatis ; pygidio corporeque subtus lete rufis, longe 
et dense fulvo-hirtis; pedibus rufo-fuscis, brevibus, tarsis 
brevissimis et tenuissimis, tibiis anticis dentibus duo fortibus et 
obtusis armatis, dente secundo mediano, tibiis quatuor posticis 
dense asperatis et hirtis, medio tuberculatis. 
Long. .13-16 mm, 
