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252 MARINE MOLLUSCS. > 
Bulla lignaria.—Not uncommon. Common at 
Falmouth. (J.C. B.) 
Bulla umbilicata.—(Turton and Kingston.) 
Bulla akera.—Uncommon. 
Bulla hydatis.—(Turton and Kingston.) 
* BullaCranchiit—PlymouthSound. (Mr. Prideaux) 
Bulla-punctata 
Bulla truncata ¢ Turton and Kingston. 
Bulla alba 
Bulla cylindracea.—Sandy bays, not common. 
Bulla aperta.—Not common. 
Bulla obtusa.—Common. 
Doris argo 
Doris verrucosa 
* Doris marginata 
Doris nodosa. . f 
* Doris quadricornis# 
* Doris flava 
* Doris pennigera 
* Doris maculata 
* Doris pinnatifida 4 
* Doris biffda \ 
* Doris longicornis 
* Doris cerulea 
* Doris pedata 
Bulla_-ampulla.—Falmouth (Montagu) 
Coast of Devon (Mon- 
tagu) and others. 
BECTINIBRANCHIA. 
Turbo littoreus.—Periwinkle. Abundant. I have 
found the “ Sea cup” said by Ellis to be the proba- 
ble nidus of the young. 
Turbo petrzeus.— Very common on the rocks, and 
often beyond the reach of the tide. 
Turbo rudis.—Very common. 
+ Named after Cranch who so successfully examined the pro- 
ductions of our coast, living as Iam informed under a boat at 
Bovisand. 
