— 192 — 



data; valvarum intermediarum areis lateralihus, ad carinam, 

 Costa subdisjunctis^ undique intense granulatis, granis poly- 

 gonis, conplanatis, siibumhilicatis . 



Ligamento marginis, pallide rufo, fasciculis 9 albidis, nites- 

 centibus. — Long. 0,011 ; Lat. 0,008. 



Hah. Côtes d'Algérie, Oran (Deshayes, exploration 

 scient. 1842). — Assez commun. Mus. Paris. 



5. AGANTOPLEURA VAILLANTII, Rocllbr. 



A. — Testa ovata elongata, lata, alhida, maculis olivacets 

 picta; valva antica, posticœque parte postica granulosis, et 

 tuberculis conicis sparsis; valvarum intermediarum areis late- 

 ralibus^ tuberculis elongatis, nigris, tectis ; areis centralibus, 

 medianiter rugulosis, antice tuberculatis . 



Ligamento marginis, lato aculeis albidis viridibusque, sub- 

 longis, conicis induto. — Long, 0,043 ; Lat. 0,032- 



Hab. Canal de Suez (P^" L. Vaillant). — Assez commun. 

 Mus. Paris. 



6. ACANTHOPLEURA AFRA, Rochbr. 



A. — Testa ovoidea, lata, nigressens, umbonata, umbonibus 

 fascia lata, cœrulea, notatis ; valva antica, posticœque parte 

 postica et valvarum intermediarmn areis lateralibus, regula- 

 riter radiatim intense granulatis ; areis centralibus lœvibus, ad 

 latus ruguloso granulatis. 



Ligamento "marginis rufo, setis croceis obtecto. — Long. 

 0,039; Lat. O.OU. 



Hab. Cap de Bonne Espérance (Verreaux) ; Madagascar 

 (Amiral Cloué). — Peu commun. Mus. Paris. 



7. LEPiDOPLEURUS BOTT^, Rochbr. 



L. — Testa elongata, carinata, olivaceavel albida, maculis 

 îuteis picta ; valva antica, posticœque parte postica, radiatim, 

 late sulcatis; valvarum intermediarum areis lateralibus tri- 

 sulcatis, areis centralibus longitudinaliter sidcatis, sulcis latis, 

 incurvatis, ad viarginem subtilissime denticulatis . 



