2J.0 [Maicb, 1888. 



The genus Diastellopalpiis has been recently founded by von 

 Lausberge, to include D. tridens, D. nocfis, D. Jolinstoni, and T). 

 InmeUicollis, a natural group, in whicli the first joint of the labial 

 palpi is triangularly dilated, and the antennal club cupulifoi'm. In 

 all the species the metasternum anteriorly has a prominent carina, 

 with a more or less free and acute apex. 



DiASTELLOPALPUS Thomsoni. — Late oblongo-ovatus, subtus chalyheus 



supra capite thorace et pygidio viridi-ceneis (sub-cceruleis) elytris nigris 



nitidis : clypeo semiovato grosse scabroso : thorace ante medium dilatato 



{angulis anticis breviter falcatis) postice valde sinuato-angustato anguUs 



rotundatis, medio bast paullulum producto-triangidari ibique nee planato sed 



sulcuJo prof undo basali interrupto ; supra grosse distanter granulato disco 



posteriori aspere punctato ; elytris striis punctulatis vix imp)ressis interstitiis 



planis confuse sed discrete setifero-punctulatis. $. Carina frontalis brevis, 



vertieeque cornu brevi triangulari erecto armato. Thorax antice verticalis 



Icevis et supra breviter quadridentatus, dentibus duobus intermediis per cari- 



nam brevem angulatam conjunctis et antice verticaliter obtusius carinatis, 



dentibus exterioribus maJo7nbus liberis. ? . Carina frontalis elongata valida, 



vertieeque carina quadridentata. Thorax antice sub-verticalis carina brevi, 



bituberculata fere sicut in S sed dentibus lateralibus nullis. 



Lo7ig., 16—20 mm., S ? . 



Taveta, Kilimanjaro (Mr. Joseph Thomson). 



The anterior tibiae are not produced at their inner apex in the ^ , 

 but show on the upper surface near the base of the tarsi a smooth 

 tubercle, apparently the rudiment of the apical dentiform process, so 

 fi'equently distinguishing the J* in Ontliophagiis. In. D. tridens (Fab.), 

 (J, this process does not project laterally, but forms a triangular tooth 

 in the same position as the rudimentary tubercle of D. Thomsoni, (J. 



DiASTELLOPALPUS EBENiNUS. — Late oblongo-ovatus, robustus, nigerrimus 

 nitidus femoribus plus minusve castaneo-rujis. Clypeus sat breviter rotundato- 

 triangularis rugulosus, carina frontali (c? ?) valida: thorace postice valde 

 sinuato-angustato, angulis anticis hand recurvis posticis rotundatis, margine 

 basali medio subacute productis ibique breviter carinato vel denticulato, dorso 

 passim crebre sed discrete punctato-granulato, postice tanttim punctato : 

 elytris politis subtiliter punctulato-striatis, inte^'stitiis fere planis sat crebre 

 setifero-punctulatis setis nigj'is. $ . Carina verticis alta fere ab oculo usque 

 ad oculum extensa, verticaliter sub-arcuata. Thorax antice alte verticalis 

 haud proftinde punctatus, supra carina valida verticaliter arcuata, \Urinque 

 fere usque ad foveam lateral em extensa. ?. Carina verticis altior, curvataf 

 angulis utrinque dentiformiter productis. Long., 16 — 19 mm., S ? . 



Cameroons and Old Calabar. Four examples. 



The armature of the ^ so much resembles that of the opposite 



