99 
Clajfes Conchyliorum. 
XXIII. 
Methodus Teftaceorum J. T. Klein». 
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qualiter convexa , futura 
perpendiculari. Hemicardia .■ 
II. Diconchx gibbofxcor ae- 
quale exhibentes. Ifocardia t 
III. Diconchx conni ventes 
cor irregulare exhibentes. A- 
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II. 
Diconchx 
umbilicatae, 
quae circa 
cardines a 
latere ha- 
bent foveo- 
lam infiar 
umbilici, re- 
liquo cor- 
pore cha- 
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lante. 
< 5 . 
I* Diconchx umbilicatx cir- 
cinatx. Circomphalox, 
II* Diconcha iimbilicata,flria- 
ta. Affinobolur. 
III. Diconcha umbilicata cla- 
thrata* Omphaio-Glatbrum . 
27. 
7 - 
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n 2 
XXIIL 
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