226 MR. P. S. ABRAHAM ON THE [ Mar. 6, 
5. LAMELLIpoRIS MuRICATA, Ald. & Hane. 
D. muricata, Miiller, Zool. Dan. Prod. p. 229 (1776). 
Onchidoris muricata, Gray. 
Hab. Krish, Danish, and French coasts. 
6. L. vuriana, Ald. & Hance. 
D. ulidiana, Thompson, Ann. & Mag. Nat. Hist. xv, p. 312 
(1845). 
Hab. Irish coast. 
7. L. piapHana, Ald. & Hance. 
D. diaphana, id. Ann. & Mag. Nat. Hist. xvi. p. 313 (1845). 
O. diaphana, Gray. 
Hab. S. of England and Danish coasts. 
8. L. ostonea, Ald. & Hance. 
Ds oblonga, id. Ann. & Mag. Nat. Hist. xvi. p. 314 (1845). 
Hab. 8. coast of England. 
9. L. DERELICTA. 
D. derelicta, Fischer, Journ. de Conch. xv. p. 7 (1867). 
D. verrucosa, ‘ Cuv.,”? Delle Chiaje, &c. [sec. Fischer]. 
Hab. French coasts. 
10. L. prsamexuata, Ald. & Hane. 
D. bilamellata, Linnzeus, Syst. Nat. ed. 12, p. 1083 (1767). 
D. fusca, Miiller; D. verrucosa, Pennant; D. elfortiana, De Bl. 
O. leachii, De Bl.; D. vulgaris, Leach; D. obvelata, Bouch.- 
Chant. / 
D. affnis, Thomps. ; D. liturata, “ Beck,” Miller ; D. coronata, 
Agassiz. 
Oncidoris bilamellata, Hogg ; L. leachii, Morch. 
Hab. Coast of N. Europe, Iceland, Greenland, East N. Ame- 
rica, and Vancouver Island. 
11. L. TUBERCULATA. 
Onchidoris tuberculatus, Hutton, Reports &e. New Zealand, Mar. 
Moll. p. 53 (1873). 
Hab. New Zealand. 
12. L. DIADEMATA. 
D. diademata, Agass. 1850 (no deser. or fig.), Gould, Inv. of Mas- 
sachusetts, 2nd ed. p. 230, pl. 21. f. 298, 300-304 (1870). 
13. “L. n. sp. ?,”? Moreh, Vidensk. Meddelels. for 1871, p. 23. 
Hab. Danish Seas. 
