39 
48 
49 
Cardium 
136 
Punctulatum p. 

Subretusum p. 144 

Subelongatum  p. 
138 

Foveolatum p. 138 

Monstrosum p. 143 

- Attenuatum p. 140 
—— Maculatum p. 139 
Unicolor p. 138 
Glaucum of Bru- 


guiere APP. 
Australe p. 135 
Caspium app. 



Punctatum of Re- 
nierl APP. 

Elenense p. 141 
—=— Enode p. 139 
——_—— Inbricatum p. 143 
Scabrum arp 


Nodosum p. 136 
Ovale p. 136 
Hystrix app. 



Exasperatum pp. 
137 

Planicostatum p. 
144 

Fornicatum p. 143 






50 Tumoriferum __p. 
142 
51 Fragile p. 141 
52 Variegatum p. 138 
53 Impolitum p. 138 
54 Deshayesii arp. 
55 Muticum arr. 

56*Cardita Cuvierii p. 146 
57 Tumida p. 146 
58 Crassa p. 145 
59 



Australis (Veneri- 
cardia A) of Quoy ;=? 
Tridentata of Say app. 
60 Laticostata var. p. 

146 
PLATE XVIII. 
_— 
Cardita Abyssicola app. 
Antiquata of Lin- 
nus. (Sulcata p. 144) 
Ajar p. 144 
Borealis p. 145 

tas) 


———— Canaliculata App. 
Corbis App. 

Calyculata p. 147 
Radiata p. 148 


ont GO we SS 
* The Venericardia Crassicostata of the Tankerville Catalogue, 
appears from the original specimen, (now in the National Museum) 
to be a variety of this species; nor do I perceive much difference 
in the C. Michelini of Valenciennes in the Voyage de la Venus. 
