i&2> A. RUTOT. — ESSAI DE SYNCHRONISME DES, COUCHES 27 



Volutiiithes sp. nov. Cancellaria nitidula-, Mûll. 

 Volutoderma fenestrata, Roem. » globulosa, Hlz. 



— Gosseleti^ IMz. BullinulaStrombecki, Mûll: 



— sp. Actœonina lineolata, Mûll. 



— sp. Cinulia Humboldti, Mûll. 



Lamellibranches . 



Pholas reticulata, Mûll. 

 Teredo voracissima, Mûll. 



— grandis^ Hlz. 

 Clavagella elegans ? Mûll. 

 Gastrochœna americana, Gabb. 

 Corbula substriatula, d'Orb. 

 Mactra Debeyana, Mûll. 



— Bosquetiana ? Stol. 

 Liopistha œquivalvis, Goldf. 

 Ceromya cretacea, Mûll. 

 Goniomya designata, Goldf. 

 Glycimeris Geinitçi, Hlz. 

 Siliqua, sp. nov. 

 Psammobia ? sp. nov. 

 Tapes Martiniana ? Math. 



— fr agi lis, d'Orb. 



— nuciformis, Mûll. 



— faba, Sow. 

 Cytherea ovalis, Goldf. 

 Cyprimeria Geinit\i, Mûlh 

 Venilicardia Reyi ? Bosq. 

 Isocardia ? sp. 

 Cypricardia ? sp. 

 Granocardium productum, Sow. 



— Marquarti, Mûll. 

 Cardium Noeggerathi, Mulh 



— Becksii, MûlL 

 Lucina subnumismalis, d'Orb. 



— aquensis? Hlz. 



— sp. 



GyropleuraCiplyana? de Ryckh. 



— sp. 

 Crassatella arcacea, Roem. 



Venericardia Benedeni, MûlL 

 Astarte similis, Mûnst. 

 Eriphyla lenticularis, Goldft 

 Trigonia Vaalsensis, Bôhnh 

 Nucula tenera, Mûll. 

 Leda, sp. nov. 



— Fôrsteri. 

 Arca, sp. 



Cucullœa subglabra, d'Orb, 



— cf. Gallienei, d'Orb. 

 Pectunculus Geinitp, d'Orb. 

 Limopsis? sp. 



Pinna decussata? Goldf. 



— sp. 



Septifer tegulatus, Mûll . 



— lineatus, Sow. 

 Crenella inflata, Mûll. 

 Inoceramus Cripsii, Mant. 

 Gervillia solenoïdes, Defr. 

 Avicula modioliformis, Mûll. 



— pectinata, Mûll. 



— ? caudigera? Zitt. 

 Pecten virgatus, Nilss. 



— «or, sp. 



— ho*>, sp. 



— lœvis, Nilss. 



— Dujardini, Roem. 



— laminosus, par., Gold . 



— spathulatus? Roem. 

 Vola quadricostata, Sow. 



— quinquecostata, d T Orb; 

 Lima Marrotiana, d'Orb. 



^ sp. nov. 



