Kobelt, Europ. Meeresconchvlien. Taf. OXVIl. 










18 
16 17 19 20 
8 
6 7 9 10 
2 a 
& 
A 
21 5. 22 
28 BASE 
11 13 D) 
15 
Is Verlag,Wiesbad Werner &Winter, Frankfurt %M 

C.W.Kreidels Verlag, Wiesbaden 
1-10 Bittium reticulatum da Costa 11.12 B.cylindratum Jeffr 13-15 Stilus insignis Jeffr. 16.17 Bittium Jadertinum Brus. 
18 Cerithiopsis metaxae delle Chiaje 19,20 Bittium reticulatum var. 21.22 B.gemmatum Watson. 
23.24 B.lacteum Phil. 25 Cerithidium submamillatum Rayn. 
