PLATE LVI. 



LEPAS DIADEMA. 



WHALE ACORN SHELL. 

 GENERIC CHARACTER. 



Animal Triton. Shell of many unequal valves ; affixed by a stem. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shell subrotund, of six lobes, furrowed longitudinally. 



Lepas Diadema : testa subrotunda, sexlobata sulcata. Gmel. 



Linn. Si/st. Nat. p. 3208. sp. 4. 

 Balanus balaenae cuidam Oceani Septentrionalis adhaerens. List. LI. 



Conch, tab. 445. fig. 288. 

 Pediculus ceti. Phil. Trans. No. 222. p. 323. Epitome Trans. 



Soc. R. Angl. Vol. 5. p. 381. tab. 17. fig. 2. 

 Pediculus ceti, vel Lepas nuda carnosa aurita. Ldem. 1753. Vol. 50, 



T. 2. tab. Si. fig l. and fig. 7. 

 Martin. West. Lsles, p. 162 and 166. 



Quarta species echini plani. Rumph. Mils. tab. 14. fig. H. 

 Balanus balaenaris. Klein. Ostrac. 176. tab. 12. fig. 98. 

 Pediculus ceti. Roccon. recher. p. 287. 

 Grand pou de Baleine. D'Avil. Cab. p. 404. 

 Balanus hemisphericus sexlobatus. Balaenag. Da Costa Br. Conch. 



tab. 17. fig. 2. 2. .?. 



