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TRIVIAL NAMES. 



Pediculus 



Sea Louse. 



Nucleus 



Wrinkled C. 



Staphylaea 



Wood Louse. 



Dracaena 



Dragon C. 



Helvola 



Star C. 



Globulus 



Pearl C. 



Bulla 



Dipper. 



Ovum 



Poached Egg. 



Volva 



Weaver's Shuttle. 



Birostris 



Bastard Weaver's Shuttle. 



Spelta 



Oblong D. 



Gibbosa 



r Short Gibbous Shuttle ; Gon 

 I dola. 



Naucum 



Sea Nut. 



Ampulla 



Pewit's Egg. 



Lignaria 



c Open-mouthed Nut or Wood 

 f Dipper. 



Hydatis 



Paper D. 



Amygdalus 



Almond. 



Akera 



Elastic D. 



Physis 



Striped D. 



Amplustre 



Banded D. 



Ficus 



Firr. 



Terebellum 



Auger. 



