Part first. 



Mollusks. Worm-shell (Vermetus, fig. 125), resemblig the worm 

 Protula, but easily distinguishable by its two feelers. Ear-shell 

 (Haliotis, fig. 126), on the sand. Bivalves: Oysters (Ostrea, 

 fig. 127), Pinna, horny - looki ng , ragged, mussel-shaped 

 shells (fig. 128) ; Avicula (fig. 129), etc. 



Fig. 126. Haliotis tuber. 



culata (Ear-shell). 



J /a nat. size. p. 79. 



Fig. 125. Vermetus gigas 



(Worm-shell),* two living 



specimens and one empty shell, 



J / 2 nat. size. p. 95. 



Fig. 127. Two specimens of 

 Ovfrca ('(lulitf (Oyster) 



on a stone. 

 1 lz nat. size. p. 88, 



Fi 



128. Two specimens of 

 nobilis partly buried 

 in the sand, 

 V 4 nat. size. p. 83. 



