220 SMITHSONIAN MISCELLANEOUS COLLECTIONS [VOL. 50 



Pavesi, Pietro : Di alcuni Crostacei raccolti nel paese dei somali dall' Ing. 

 L. Bricchetti-Robecchi pel Dott. Tatiana Wedenissow. Bullettino della 

 Societa Entomologica Italiana, Anno xxvi, Trimestre ill, pp. 12-14, T 894. 

 Firenze. 



Family EUBELIDJE 1 



Flagellum of second antennae more or less obscurely triarticulate, 

 rarely only biarticulate. Eyes distinct, composed of numerous ocelli. 

 Inner lobe of the first or inner maxillae furnished with numerous 

 plumose processes (5-15). The first segment of the thorax has 

 distinct epimera or coxopodites. Epimera or coxopodites generally 

 present on the underside of the second and third segments. 



The terminal abdominal segment is triangular at the base, with 

 the apex triangularly or even quadrangularly produced in a process 

 not extending, or extending very little, beyond the lateral parts 

 of the preceding segment. Uropoda short, not extending, or ex- 

 tending very little, beyond the terminal segment of the abdomen. 

 Basal article large, wide. Outer branch small or minute. 



Analytical Key to the Genera of LibErian EUBELID^E 



a. — Flagellum of second antennae composed of three articles. 



b. — Coxopodites of first thoracic segment cleft posteriorly, a fissure sepa- 

 rating the coxopodite from the post-lateral angle of the segment. 



Genus Mcsarmadillo 

 b'. — Coxopodites of first thoracic segment entire, without a fissure separat- 

 ing them from the post-lateral angles of the segment. 



Genus Pcriscyphops 

 a'. — Flagellum of second antennae composed of two articles. 



b. — Coxopodites of first thoracic segment forming a wide border adjacent 

 to and extending along the lateral margin of the segment. 



Genus Bthelum 

 b'. — Coxopodites of first thoracic segment extending along the lateral 

 margin, but arising from the underside of the segment 



Genus Ethclumoris, gen. nov. 



Genus ME S ARMADILLO Dollfus 



Mcsarmadillo Dollfus, Annales de la Societe Entomologique de France, 

 1892, lxi, pp. 385-386. Budde-Lund, A Revision of "Crustacea 

 Isopoda Terrestria," pt. 1, Eubelum, 1899, p. 10. 



Flagellum of second antennae composed of three articles. Cox- 

 opodites of first thoracic segment extending along the lateral margin 

 of the segment and adjacent to it in the form of a border, being 



1 For characters of family see Budde-Lund, A Revision of "Crustacea Isopoda 

 Terrestria," 1899, pt. 1, Eubelum, pp. 2-3. 



