PHYLLOBRANCHIA. TURBONIDE. 169 
t. xix. f. 5; Flem. Edinb. Encyel. vii.; Dill. Desc. Cat. 
785; Turt. Conch. Dict. 214. sp. 54. 
Habitat in arena maris, et in thalassophytis. Mus. Montagu 
m Mus. Brit. Alt. 3 et > une. 
Shell white, smooth. The last whorl not ribbed; the five 
superior ones ribbed. Height one-eighth and a half the eighth 
of an inch. 
Inhabits the sand of the sea, and in sea-plants. 
Var. 2. Shell yellowish ; was discovered by Dr. Goodall in 
sand from Padstow, Cornwall. 
4. AtvaNntiA CRANCHIANA. 
A. testa alba, sutura minus profunda; anfractibus quingue, 
glaberrimis. 
Habitat in mari Danmoniensi et Cornubiensi Australi. Mus. 
nost. in Mus. Brit. Alt. 2 une. 
Shell with the suture moderately deep, with five very smooth 
whorls. Height two-eighths of an inch. 
Inhabits the sea, Devonshire and Cornish coasts. Dis- 
covered by Mr. John Cranch. 
Genus 73. Z1Ippora. 
Testa alté turrita. Apex acutus. Apertura rotundata. 
Peritrema ad dextram, sinistram et anticam dilatatum. Animal 
incognitum. 
Shell highly turrited. Apex acute. Aperture round. 
Peritreme dilated at the right, left and anterior sides. Animal 
unknown. 
ZiPpPORA DRUMMONDII. 
Z. testa laté costata; anfractu ultimo, lineis tenuibus longitu- 
dinalibus, sculpto. 
Habitat in mari. Alt. 2 une. 
Shell broadly ribbed. The last whorl sculptured with very 
long and narrow lines. Height two-eighths of an inch. 
Colour white. Shell translucent. 
Inhabits the sea, near Cork, Ireland. 
