20 Mr. G. A. K. Maisliall— ^ Synoptic 



Synopsis of Species. 



1. (6.) Eyes dorsal or subdorsal, forehead miicli 



narrower than the rostrum ; prothorax 

 vdi\\ no trace of an ocular lobe or 

 vibrissas. 



2. (3.) Rostrum tricariuatedorsally, not impressed 



laterally in front of the eye ; scrobes 

 continued right beneath the rostrum 

 and almost meeting at its base 1. 'S'. helleri, sp. n, 



3. (2.) Rostrum not carinate, with a more or less 



distinct central furrow and with an 

 evident basal suhtriangular impression 

 just in front of the eye ; scrobes shorter, 

 ending on the side "of the rostrum and 

 not continued beneath it. 



4. (5.) Eyes very close together, forehead not 



broader than the apex of the scape ; base 

 of elytra truncate, its external angles 

 not jirojecting 2. S. kolbei, Est, 



5. (4.) Eyes further apart, the forehead much 



broader than the apex of the scape: base 

 of elytra broadly sinuate, its external 

 angles projecting slightly forwards .... 3. S.faustifS^.n. 



6. (1.) Eyes entirely lateral, forehead much 



broader than the rostrum : prothorax 

 with a faint lateral lobe and distinct 

 postocular vibrissje A. S. JeJceli, Est. 



1. Synaptocephalus helleri^ sp. n. 



Long. 4|-5|, lat. l|-2i mm. 



Niger, viridi- aut subaureo-squamosus, squamis fuscis intermixtis ; 

 prothorax vittis tribus latis subdenudatis notatus. 



Caput subconiciim convexum, ociilis subdorsalibus depressis 

 approximatis, fronte quam clava antennarum angustiore. 

 Rostrum rectum parallelum, longitudini prothoracis sequale, supra 

 leviter tricarinatum, carinis antice abbreviatis ; scrobes valde 

 profundi, subtus ad basin rostri continuati et ibi approximati. 

 Prothorax transversus subconicus, ad basin latior, antice valde 

 angustatus, lateribus rotundatus, basi apiceque truncatus, antice 

 ad latera nee lobatus nee fimbriatus, supra convexus, undique 

 punctis parum profundis subconfluentibus instructus. Elytra ad 

 basin leviter conjunctim sinuata, angulis externis non projectis, 

 fortiter punctato-striata, interstitiis parum convexis, 



Mashonaland : Salisbury {G. A. K. M.). 

 Type in the British Museum. 



In general facies this species is extremely like S. kolhei^ 

 Fst. 



2. Synaptocephalus kolbei, Fst. S. e. Z. 1890, p. 186. 



Zanzibar {Mailer). German E. Africa : Usaramo, 

 Mwiansi [F. Stuhlmann). 



Type in the Dresden Museum. 



