— M 13 — 
Lamellibranches . 
4.7 . Neæra caudata, Xilsson sp. Rocour (UG, n os 6769 
et 5764, PD), Yottem (GS), (') (GS), 
48. Neæra tenuirostris, Reuss sp. Rocour (IIP). 
49. Liopistha æquiualvis, Goldfuss sp. Rocour (UG, 
n° 5755, AF ( 2 ), HF), Yottem (GS), Xliendre- 
mael (junior) (UG, 11 0 7242), ( 5 ) (GS). 
5 0. Pleuromya ? modiolus , Xilsson sp. Rocour (UG, 
n° 5 7 5 7 ), .. f) (GS). 
5 1. Pholadomya elliptica , Muenster. Rocour (HF, AF), 
Momalle (UP), Liège, Ste-Walburge (UP), Mont- 
fort, Ans (AF), (GS). 
52 . Tapes (Baroda) fr agi lis, d’Orbigny sp. Rocour (UG, 
n° 5 7 56 ), Yottem? (GS), ( 5 ) (GS). 
53 . Tapes nuciformis, Müller sp . Rocour (AF, UG, 
n° 5760 b, UP). 
54. Cyprina bosquetiana, d’Orbigny. Rocour (UG, n os 112, 
5760, 5761, UP, AF, HF (°), PD), Momalle 
(UP), Yottem (GS), Xhendremael? (GS), Petit- 
Hallet (UG, n° 9 354 ), Jaucbe (UG, n° 3325 ), ( 6 ) 
(AF), H (GS). 
55 . Cardium asperum, Muenster. Rocour (UP). 
56 . Granocardiiun productum, Sowerby sp. Rocour (AF), 
Yottem (GS). 
57. Monopleura marticensis, Matheron sp. Rocour (AF). (*) 
(*) Tapes ? sp Ubaghs. Toc. rit., p, 206 
( 2 ) Corhula cf. œquivalvis , Forir in Firket. Loc. cit., p. xlv. 
( 3 ) Cytherea sp Ubaghs (non Millier) et Pectnncvlns sp., Ubaghs. Loc. cit., p. 206. 
( 4 ) Modiola sp Ubaghs. Loc. cit., p. 206. 
( B ) Tellina sp., Ubaghs. Loc. cit., p. 206. 
( 6 ) Venus cf. parva , Forir (non Sowerby) in Firket. Loc. cit., p. xlv. 
( 7 ) Cytherea sp. Ubaghs. Loc. cit., p. 206 
