XLX 



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1 Blainville's Otion. ■/, Kared Cineras. 3 Cornucopia Pollicipes. 4 Common 

 Scalpellum. 5 Smooth Anatifa. 6 Crenated Pyrgoma. 7 Warted Creusia. 8 

 Moraagus Acasta 9 Operculum of Do. 10 White Balanus. 11 Operculum of 

 Do. 12 CroM:« Coronula. 13 TFAafe Tubicinella. 14 Vermicular Serpula 15 

 Nautilus-shaped Spirorbis. 16 Recumbent Galeolaria. 17 Antiquated Magilus. 

 IS Triangular Vermilia. 19 /"an Amphitrite. 20 5e/^ic Pectinaria. 21 ^SAe^^y 

 Terebella. 22 Thickest SabeUai'ia. 23 Zarjre Comuoides. 24 Snake-like Sili- 

 quaim. 25 Trochi-fonned Brochus. 26 Too^/i Dentalium. 27 Elephantine. 28 

 English Adna. 



