90 
Long. 7—8 m.m. Lat. 3—3,5 m. m. 
Patria: Africa orientalis. During the expedition of Emin 
Pasha and Stuhlmann in the bambooforest by Runsororo more 
specimens were found in the days from 9 to 13 June 1891. 
(Mus. Berolinense). 
Subgenus 5. Ethelum. 
Antenne: Flagellum biarticulatum. 
Maxillule: Lacinia interior penicillis 4 *). 
Truncus: Segmentum 1 epimero crasso, supra sulco 
longitudinali a medio segmenti discreto, margine laterali non 
sulcato, post fisso. Segmentum 2 epimeris manifestis. 
Cauda: Exopodita omnium pleopodum trachea munita. 
The three known species are all from West-India. 
1. Ethelum Americanum. 
(Tab. III. fig. 10—12). 
Mesarmadillo Americanus Dollfus in Proc. zool. Soc. Lond. 1896. 397. 
Oblonge ovale, valde convexum, leve vel potius minu- 
tissime squamatum. 
Antenne: Flagellum biarticulatum, scapi articuli quinti 
tertia parte vel magis brevius, articulus prior altero triplo 
brevior, alter apice seta longa instructus. 
Oculi mediocres; ocelli c. 12. 
Caput: Epistoma convexiusculum, supra in medio fronti 
adcretum, utrinque margine discretum. 
Mala interior maxillule penicillis 4. 
Truncus: Segmentum primum margine laterali crasso, 
post subequaliter fisso; segmentum secundum epimero ante 
paulo crassiore; margo posterior segmentorum priorum utrin- 
que leviter sinuatus. 
Telsum: Pars basalis brevis, pars apicalis lata, producta, 
apice late rotundato, epimera segmenti quinti distantia pau- 
lum superans. 
Uropodum scapus oblonge subrectangulus; exopoditum 
minutum in excisuram marginis postici positum, endopodi- 
tum quam telsum paulo brevius. 
*) I have but examined one specimen of one species. 
