ISOPODS OF NORTH AMERICA. 



589 



Uropoda: basis with a large oblong processus; endopodites extending 

 beyond the apex of the pleotelson; exopodites small, placed at the top 



d 



FIG. 648. ETHELTJM MODESTUM (AFTER DOLLFUS). a, HEAD AND FIRST TWO SEGMENTS OF THORAX 

 (UPPER SIDE), b, THE SAME (UNDERSIDE), c, FIFTH AND SIXTH SEGMENTS OF ABDOMEN AND URO- 

 PODA (UPPER SIDE), d, THE SAME (UNDERSIDE). 



of the basal processus. Color: gray or reddish, with small light 

 lineolse on the pereion; uropoda light. Dimensions: 6 by 2 mm."- 



DoLLFUS. a 



ETHELUM AMERICANUM (Dollfus). 



Mesarmadillo americanus DOLLFUS, Proc. Zool. Soc. London, 1896, pp. 397-398. 

 RICHARDSON, Proc. U. S. Nat. Mus., XXIII, 1901, p. 573. 



Elhelum americanum BUDDE-LUND, A Revision of ' ' Crustacea Isopoda Terrestria, ' ' 

 1899, p. 24; Ent. Meddel. (2), I, Pt. 2, 1899, p. 90. - 



Locality. St. Vincent, West Indies. Sugar-cane field, under decay- 



FIG. 649. ETHELUM AMERICANUM (AFTER BUDDE-LUND). a, APEX OF INNER LACINIA OF FIRST 



RIGHT MAXILLA. X 130. 6, LEFT ANTENNA. X 25. C, FLAGELLUM OF LEFT ANTENNA. X 70. 



ing cane-leaves. Leeward, lowland near sea, under stones; under old 

 boards, 250 feet; under rubbish, shad} 7 place. 



flProc. Zool. Soc. London, 1896, p. 397, 



