Figs. 1 a—ld. 
Figs. 2a, 2 0. 
Figs. 5a, 30. 
Figs. 4 a-4 d. 
.dba-5d. 
Figs 
Figs 
Figs 
Figs 
Figs 
Figs 
Figs 
a 
Figs 
Figs 
-la-ld. 
. 2a-2 d. 
5 hah 
. Le-lh. 
5 EG. 
.lald. 
. 2a-2d. 
Figs. 
3) (BO. 
Be a 
OF THE ANTWERP CRAG. 409 
PLATE LXVI. 
Cythere polytrema. Figs. 6 a-6 d. Cythere macropora 
Cythere scabropapulosa. (young). 
Cythere dawsoni ? Figs. 7 a—7 d. Cytherura cornuta. 
Cythere trapezia. Figs. 8a—-8d. NXestoleberis depressa. 
Cythere acuticosta. 
PLATE LXVII. 
Cythere macropora. Figs. 3 a-3 d. Cythere mucronata. 
Cythere jonesit. Figs. 4a-4d. Cythere subcoronata. 
PLATE LXVIII. 
Loxoconcha latissima °. Figs. 3a—39. Loxoconcha grateloujyiana : 
Loxoconcha latissima ¢. 3a—3d, young male? 5e, adult 
Loxoconcha bitruncata. female; 3,3 9, adult male. 
Figs. 4a-4 d. Loxoconcha variolata. 
PLATE LXIX. 
Cytheropteron latissimui. Figs. 5 a-5 d. Cytherura broeckiana & . 
Cytheropteron pipistrella. Fig. 5e¢. Cytherura broeckiana ¢. 
Cytheropteron intermedium. Figs. 6 a—6e. Cytheridea cypridioides. 
Cytheropteron gradatum. 
