- 42 — 



ligam. breve sed forte, postice dilatatum, castaneum; 

 sinu bievi ; area cristis distincte marginata, compressa, 

 hians, limo adhaerente induta; areola parva, distincta, 

 intrans. Dens valv. dextrae acutus, conicus, acie cre- 

 natus; divergens; dentes valv. sinistrae subaequales, 

 conici, obliqui, fovea cardinali obliqua discreti, posticus 

 major acie crenatus, intervallum distinctum, medio latius, 

 cum lamellis brevibus leviter arcuatis angulum per- 

 distinctum formans; impressio muscularis antica prima 

 distincta, 2 et 3 obsoletae, posticae vix conspicuae; 

 margarita lilacea, umbones versus lutescens; callus mar- 

 ginalis et linea pallealis vix conspicui. — L. 40, alt 27, 

 crass 16 mm. 



Nähr ei Audsche bei Jaffa. 



Unio hlanchianus (Letourneux) Bourguignat mss. 

 Icon. II, 2719, 2720. 



Concha minor^ irregulariter ovata, postice late 

 truncata, solida, sat crassa, ruditer sulcata, castaneo- 

 fusca annulis subnigris, postice limo tenui adhaerente 

 induta, valde inaequilatera, antice compressa, postice 

 latior. Margo anticus depresso-rotundatus, cum dorsali 

 valde ascendente angulum distinctum formans, ventralis 

 horizontalis vel levissime arcuatus, posticus abrupte 

 descendens fere plus minusve angulato-truncatus. Um- 

 bones (detriti) vix prominuli, apicibus acutis, depressis, 

 haud contiguis ; ligamentum elongatum, gracile; sinus 

 brevis; area compressa, utrinque bicristata, postice late 

 hians ; areola distincta, antice compressa, sinulo rhom- 

 bico, ligamentum internum distincte monstrans. — Cardo 

 valde anterior; dens valvulae dextrae breviter conicus, 

 crassus, suicis 2 profundis tricuspidatus, sulco a margine 

 parum divergente extus incrassato a margine, fovea pro- 

 funda ab intervallo subdenticulato diviso ; dentes valvulae 

 sinistrae fovea profunda in fundo denticulata discreti, 



