15 



sterior segmenti primi leviter, segment! 2 — 3 levissime, 

 utrinque simiatus, segmenti 4 — 5— G — 7 medio leviter incurviis. 



Caudse segmenta 3 — 5 epimeris oblique rectangulis ante 

 rotiindatis. Telsum epimera siibparallela segmenti 5 satis 

 siiperans, pars basalis brevis, pars apicalis lata, longe pro- 

 ducta, apice rotundato. 



Color griseo-phimbeiis; in segmentis trunci secundo et 

 septimo utrinque macula flava; flagelhim cuni dimidia ul- 

 tima parte scapi articuli quinti album. 



Long. 6. m. ro. Lat. 2,5 m. m, 



Patria: Kamerun. The described specimen is taken 

 by Mr. Y. Sjostedt. (Mus. Upsaliense). 



Subgenus 3. Periscyphops. 



Antennae: Flagellum breve, triarticulatum, articulatione 

 ultima obscuriore. 



Maxillulse: Lacinia interior penicillis numerosis (0—9). 



Truncus : tegmentum 1 epimero ante crasso post tenui, 

 supra sulco longitudinali, post desinente, a medio segmenti 

 discreto, margine laterali non sulcato, post integro. Epimera 

 segmentorum 1 — 2—3 subtus sspe lacinia vel plica instructa. 



Cauda: Exopodita omnium pleopodum trachea, ssepe 

 rudimentaria, instructa. 



Telsum triangulum, lateribus incurvis, medio plerumque 

 fortiter producto. 



Uropodes telsum superantes; scapus satis longior (juam 

 latior, latere interiore post valde producto ; exopoditum medio- 

 cre, apici scapi insertum. 



The species of this subgenus are all inhabitants of Africa. 



Conspectus specierum. 



a. Epimera segmenti primi infra lacinia vel plica minore. 

 b. CaudiB epimera segmenti quinti pust divergeiitia. 

 1. Periscyphops silvanus. 



b b. Caudse epimera segmenti quinti post convergentia. 

 c. Trunci segmentum primuni infra lacinia majore. 



