[13] On some African species of the Subfamilies Exothecinse etc. 445 



apsidal furrows closely striated, the apical part at the base 

 with 2 curved keels, beyond which are 2 fovese side 

 by side, followed by a Single transverse one and beyond 

 that is a longitudinal fovea. Pleural furrows weakly, indis- 

 tinctly crenulated. Abdominal striation as in Z. rufus. 



Synoptical table of the species. 

 1 (2) The 3 rd and following segments of abdomen black, 

 the abdomen not wider than the thorax in the 

 middle; the base of both wings yellowish- 

 hyaline spilopterus. 



2 (1) The abdominal segments without black, dilated in 



the middle, the wings at the base notyellowish hyaline. 



3 (4) Head and thorax not maculate with black; meta- 



notum with 2 stout central keels .... rufus. 



4 (3) Head and thorax maculate with black, the meta- 



notum with 1 central keel. 



5 (8) Rufous, the wings fuscous, the nervures black. 

 6(7) Mesonotum only maculate with black, the 



legs rufous, the 4 th and 5 th abdominal segments 

 striated , nigriceps. 



7 (6) Mesothorax entirely black, the legs, except the 

 hind coxse, rufous, the 4 th and 5 th abdominal seg- 

 ments smooth . nigripes. 



8(5) Luteous, the wings yellowish hyaline, the nervures 

 luteous luteus. 



Cardiochelince. 



Cardiochelis forticarinatus, sp. nov. 



Testaceous, the antennse, a large mark on the Vertex 

 and front, becoming gradually narrowed from the top to 

 the bottom, but not much, a triangulär mark covering almost 

 the basal lobe of mesonotum and a longer, narrower mark, 

 slightly narrowed towards the apex on the lateral and 

 the mesosternum, black; the legs are paler, more yellowish 

 in tint than the body; wings hyaline, iridescent, the ner- 

 vures and base of stigma testaceous, the rest of stigma and 

 the costa blackish. Metanotum regularly areolated, the 



