76 Crania, otw$ot>tenfof$muf<§el. 
Fig. 6. geiget bte fleinjTc, Fig. 7. bte größte uttb 
Fig. 5. bie'gewo^nltdjfle ©rofje fcott btefer fÖtüfd;el.- 
Concha fuborbicularis, lentiformis, hinc ta¬ 
rnen nonnihil convexior, prope cardinein quafi 
truncata, aequivalvis, utrinque elevato - ftriata 
vel fulcata: üriis e vertice ad marginem decur- 
rentibus, unde margo fpinqlofus. 
Tefia fuperior convexa, vertice fublaterali a 
margine cardinali remoto, acurninato. Margo 
planus, rugofo-pun&atus. Reliqua vide cha- 
ra&. gener. 
— — inferior paullo minus convexa, ce- 
terum fimilis fuperiori quoad externa & mar- 
ginein internum. Interna ejus flrudtura a 
Crania Brattensburgenß parum diflert, nifi 
quod Callas intermedius magis elevatus, com. 
preffus et acuminatus, unde naß figuram me¬ 
lius exprimit. 
-E 
V. 
