BUDDE-LUND— TERRESTRIAL ISOPODA 391 



38. Olihrinus olivaceus, n. sp. 

 Oculi rainores, ocelli majores, c. 10. 



AnteniiEe longae, gracillimae, paulo (-1) breviores quam corpus ; articulus 1 scapi 

 brevissimus ; articuli 2 et o breves subaequales ; articulus 4 plus duple longior quam 

 articulus 3 ; articulus 5 vix longior quam articuli 3 et 4 simul siunpti ; flagellum fere 

 quarta parte longius quam articulus 5 scapi, 10-articulatum, articulo j^i'inao longiore 

 quam ceteris. 



Mandibula dextra penicillo altero fixo, altero libero. 



Frons ante marginata ; linea marginalis medio subrecto, utriuque in lobos laterales 

 mediocres obtusos, deflexos producta. 



Trunci segmenta 1, 2, 3 margine posteriore leviter curvato vel subrecto; segmentum 

 4 margine posteriore recto; segmenta 5, 6 margine posteriore in medio incurvo; segmentum 

 7 margine posteriore in medio fortiter incurvo ; anguli posteriores segmentorum 1,2,3, 4, 

 late rotundate obtusi, segmenti 5 rotundati subrecti, segmentorum 6, 7 acuti. Pronotum 

 segmenti 2 quartee parti dorsi longitudine sequale. 



Caudse segmenta 3, 4, 5 post sensim longiora, epimeris parvis, adpressis, acutis, 

 retroductis. 



Telsum breve, medio semicirculatim producto. 

 Subunicolor e griseo olivaceus. 

 Long. 8 mm. Lat. 2 "5 mm. 



Distribution. A few specimens were taken at Djibouti by Prof. H. Coutiei'e in the 

 year 1897 (Mus. Paris). 



Familia Tylidse {Tylides, Budde-Lund (l), p. 272), 1885. 



39. Tylos minor. 



Tylos minor Dollf (l), p. 189, text-fig. 4 a— e, 1893. 



Seychelles, sec. Dollf.: "Mah^, digue, plage, sous Algues" (Ch. Alluaud). 



Familia Ligiidae {Ligiw, Budde-Lund (1), p. 242), 1885. 



40. Ligia exotica. 



Ligia exotica Roux (Crustac^s de la Mediterran^e et de son littoral... Marseille 1828, 

 Livr. 3, Tb. 13, fig. 9). 



„ ,, Budde-Lund (l), p. 266. 



Seychelles, sec. Dollf : " Plage de I'ile Ronde, rochers pr^s de la raer " (Ch. Alluaud). 



SECOND SERIES— ZOOLOGY, VOL. XV. .50 



