CONCHOLOGY. 
3. N. beecarii. Montague, pl. 18. fig. 4. 
4, N. beccarii perversus. Montague, pl. 18. 
Jig. 6. 
5. N.crispus. Montague, pi. 18. fig. 5. 
6. N.spirula. Turton Dict, fig. 77. 
In 1826, after a hard gale of wind, many of these 
shells, together with the Helix Tanthina were cast 
on the Teignmouth beach. 
N.. 
iN. 
CYPREA. 
Shell involute, oval, obtuse at both ends : aperture 
very narrow, reaching the whole length of the shell, 
toothed on both sides. 
1. Cyprea pediculus. Donovan, pl. 43.—Da 
Costa, pl. 2. fig. 6. 
BULLA. 
Shell convolute, without teeth, aperture mostly 
contracted ; oblong and reaching nearly the whole 
length of the sheil, entire at the base: pillar 
oblique smooth. 
1, Bullalignaria. Brit. Zool, pl. 73. fig. 2.— 
Donovan, pl. 27, 
2. B. aperta. Donovan, pl. 120. fig. 1L— 
Da Costa, pl. 2. fig. 3. 
3. B. haliotoidea. Montugue, pl. 7. fig. 6. 
4. B.catena. Montague, pl. 7. fig. 7. 
5. B. hydatis, Da Costa, pl. 1. fig. 10, 
