83 
longitudinis et latitudinis, epimera segmenti preanalis longe 
superans; pars apicalis parte basali plus duplo longior, valde 
producta, triangula, apice acuto. 
Uropodes mediocres, telsum satis superantes; scapus oblonge 
subrectangulus, latere posteriore oblique incurvo, angulo ex- 
teriore* breviter, angulo interiore longe et acute producto; 
exopoditum mediocre, stiliforme, fosse lateris posterioris 
scapi insertus; endopoditum telso paulo brevius. Rami oper- 
culares pleopodum primi paris in mare margine posteriore 
subtransver so. 
Color griseus vel plumbeus ad latera non regulariter sparse 
albidomaculatus. Antenne articulis duobus prioribus et ul- 
tima parte articuli quinti albe, sepe etiam flagellum et 
uropodum apex albida. 
Long. 13—14 m.m. Lat. 6—6, m. m. 
Patria: Kamerun. Mr. Y. Sjöstedt has taken this species 
in many localities, at Kitta, at N’'dian, at Bonge, at Bi- 
bundi and at Kamerun in the months of April, June, Octo- 
ber, November of 1891 chiefly under rubbish and leaves 
(Musea Upsaliense et Holmiense). 
2. Periscyphops tenellus. 
(Tab. IH. fie. 25—27). 
Convexus, lævis. 
Antenne in exemplo examinato desunt. 
Oculi mediocres, ocelli c. 16—17. 
Epistoma margine superiore a fronte in lateribus ante 
oculos discretum, in medio omnino cum fronte concretum. 
Trunci margo lateralis segmenti primi ante satis crassus 
post tenuis; sulcus superior tenuis, paulo ante angulum 
posticum desinens; epimera subtus lacinia minuta ad angu- 
lum posticum. Margo posterior segmentorum priorum utrin- 
que manifesto sinuatus. 
Telsum triangulum, lateribus incurvis supra convexius- 
culum; pars apicalis brevis, apice acutiore. 
Seapus uropodum brevis, subrectangulus, angulo postico 
6* 
