— 141 — 



margarita albo-cœrulea, subnitida. — Long. 60; ait. 34; 

 diam. 20 mill. 



Hab. Missolonghi. 



8. Unio Byzantinus, Parreyss, in sched. 



T. ovali-subtetragona, convexa, amassa, solida, pallide 

 brunnea, viridi-radiata, vel rufula, rugosiuscula, nitidius- 

 cula, supra recliuscula, infra subsinuata, antice dilatala, 

 late rotundata, posticebreviuscula, subattenuato-truncata ; 

 umbones vix tumiduli, oblique angulato-plicati ; dens 

 c?*assus, crenatus, obliquus (subperpendicularis) ; lamella 

 subobliqua, antice appendice sinuato muni ta ; margarita 

 albo-rosea, subtilissime anastotnoso-granulosa. — Long. 

 GO-70; ait. 36-40; diam. 25 mill. 



Hab. Le Sperchios (Grèce). 



9. Unio Dalmaticus, Drouët. 



T. oblongo-lanceolata, convexo-subcompressa, tenuis, 

 pallide fusca vel olivacea, dense striato-sublamellosa, niti- 

 diuscula. supra convexo-arcuata, infra concavo-arcuata, 

 antice valde attenuata, postice elongata, attenuato-subacuta, 

 in niedio dilatata ; umbones plicato-undati; dens minimus, 

 obscure triangularis, elongatus; lamella humilis; margarita 

 candido-cœrulea, iridescens. — Long. 50-60 ; ait. 27-29 ; 

 diam. 15-17 mill. 



Hab. La Zermagna, près Muscovitz (district d'Obbro- 

 vazzo) ; le Krupa, affluent de la Zermagna (Dalmalie). 

 Abondant (Kleciak). 



10. Unio robustus, Villa, in sched. 



T. ovali-cuneiformis, subventricosa, crassa, solida, pon- 



