19 



siibrectangulus, latere posteriore oblique incurvo, angulo ex- 

 teriore breviter, angulo interiore longius et acutius producto: 

 exopoditum mediocre, stiliforme, fossa? lateris posterioris scapi 

 insertus: endopoditum telso gequale. Rami operculares pleo- 

 podum primi paris in mare post intus triangulariter producti. 



Color nigrobrunneus, maculis albidis in series longi- 

 tudinales dispositis plus vel minus evanescentibus ornatus, 

 maxime in trunci segmentis 2 et 7 maculis majoribus, ut 

 ssepe duse zonae transversse fingantur. Antennarum articuli duo 

 priores et ultima pars articuli septimi albida; etiam uropodes 

 ssepe albidi. Exemplum subinde fere unicolor, griseum inve- 

 nitur. 



Long. 10—12 m. m. Lat. 45 — 5 m. m. 



Patria: Kamerun. Mr. Y. Sjostedt has taken several spe- 

 cimens among specimens of other species in the months 

 April, August and November 1891 at Kitta and Bonge and 

 at Bibundi under decaying leaves. (Mus. Upsaliense). 



4. Peri scyp hops gibbosus. 

 (Tab. V. fig. 23-25). 



Superficies minute setigera. 



Caput in exemplo unico deest. 



Trunci segnientum 1 margine laterali valde reflexo, infra 

 plica brevi munitum ; supra sulco profundissimo, longitudi- 

 nali. Margo posterior segmentorum 1 — 2 — 3 valde utrinque 

 sinuatus. Segmenta 2 — 3 epimeris subtus etiam ante plica 

 brevi instructa. Pars posterior omnium segmentorum (2 — 7) 

 transverse elevatior, linea curvata in epimera producta in 

 tuberculo parvo finita. 



Telsum subtriangulum, convexiusculum , lateribus ad 

 basin incurvis, apice rotundate obtuso. Uropodum scapus 

 oblonge tetragonus, exopoditum fossae apicali scapi insertiim; 

 endopodita telso vix breviora. 



Long, c 4. m. m. Lat. c 2. m. m. 



Patria: Kamerun. Rudiments of one specimen were 

 among specimens of other species from Bileundi, taken by 

 Mr. Y. Sjostedt in August 1891. (Mus. Holmiense). 



