Figs 
Figs. 
Figs. 
Figs. 
Figs. 
Figs. 
Figs. 
Figs. 
Figs. 
Figs. 
Figs. 
Figs. 
Figs. 
Figs 
. La@-l d. 
2a, 26. 
30K Sli 
4a-4d. 
dad d. 
lald. 
2 a-2 d. 
la-ld. 
le-Lh. 
2a-2 d. 
la—ld. 
2 a—2 d. 
3 a-3.c. 
-4a-4d. 
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. Xestoleberis depressa. 
Cythere acuticosta. 
PLATE LXVII. 
Cythere macropora. Figs. 34-3 d. Cythere mucronata. 
Cythere jonesii. Figs. 4a—-4 d. Cythere subcoronata. 
PLATE LXVIII. 
Loxoconcha latissima ° . . Figs. 3a—-39. Loxoconcha grateloupiana : 
Loxoconcha latissima ¢ . 3a-3d, young male? 3e, adult 
Loxoconcha bitruncata. female; 3,34, adult male. 
Figs. 4a-4d. Loxoconcha variolata. 
PLATE LXIX. 
Cytheropteron latissimum. Figs. 5a-5d. Cytherura broeckiana 2. 
Cytheropteron pipistrella. Fig. 5¢. Cytherura broeckiana ¢. 
Cytheropteron intermedium. Figs. 6 a—-6 e. Cytheridea cypridioides. 
Cytheropteron gradatum. 
