14 



48 Crassisulca? p. 120 



49 Decorata p. 117 



50 Cardium Mortoni p. 141 



51 



52 

 53 

 54 

 55 

 56 



57 



58 



59 

 60 



140 



137 



Lacunosum app. 

 Lineatum p. 143 

 Rubicundum app. 

 Indicum p. 129 

 Multipunctatum p. 



Pseudolima p. 131 

 Multispinosum p. 



Erinaceum p. 131 

 Panamense young 



p. 140 



PLATE XVII. 



1 Cardium Lyratum p. 141 



2 Biradiatum p. 133 



3 Oxygonum p. 138 



4 Cumingii p. 135 



5 Belcheri p. 137 



6 Papillosum p. 137 



7 Cardium Ringiculum p. 136 



8 Graniferum p. 137 



9 Striatulum p. 135 



Obovale app. 

 Dionoeum app. 

 Siculum p. 136 

 Brasilianum p. 130 

 Nuttalii p. 139 

 Elatum p. 140 

 Elongatum p. 132 

 Orbita app. 

 Procerum p. 140 

 Biangulatum p. 1 43 

 Subrugosump. 140 

 Alternatum p. 140 

 Paucicostatum p. 



Senticosum p. 137 

 Laticostatum p. 

 135. Procerum young. 



25 Sinense p. 135 



26 



10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 



23 

 24 



27 



137 



130 



Tenuicostatum p. 

 Incarnatum app. 



as I have ascertained from an examination of his own specimens. 

 The British V. Gallina must (for those who consider it specifically 

 distinct) resume the name of Striatula assigned to it by Da Costa 

 and Montagu. 



