632 MANUAL OF THE MOLLTJSCA. 



PLATE XIII. 

 The real size of each species is indicated by the accompanying line. 



Dorididce. 



Page 



1. Doris Johnstoni, A. and H. Brit, (low water) 328 



2. Goniodoris nodosa, Mont. sp. Brit 330 



3. Triopa claviger, MiiU. sp. Brit 330 



4. -^girus punctUucens, D'Orb. Brit 330 



6. Polycera quadrHineata, Miill. sp. Europe. (Laminarian zone) 330 



6. Idalia aspersa, A. and H. Korthmnberland 331 



Tritoniadce. 



7. Tritonia pleheia, Johnst. Brit. (Coralline zone) 332 



8. ScyUaea pelagica, L. Devon (pelagic) 333 



9. Tethys fimbriata, L. Medit. (pelagic) 333 



10. Dendronotus arborescens, Miill. sp. Brit 334 



11. Doto coronata, Gm. sp. Brit 384 



12. Lomanotns marmoratus, A. and H. Deronshire coast 334 



^olididcB. 



13. -^olis coronata, Forbes. Brit. (Laminarian zone) 335 



14. Glaucus Atlanticus, Bl. Gulf- weed banks 336 



15. Embletonia pulcbra, A. and H. N. Brit 336 



16. Proctonotus mucroniferus, A. and H. Dublin Bay 337 



17. Hermaea bifida, Mont. Brit. Lit. — Laminarian zone 338 



18. Alderia modesta, Loven. Brit. Salt-marshes 338 



Elysiadce. 



19. Elysia viridis, Mont. sp. Brit 339 



20. Acteonia corrugata (bead), A. and H. Falmouth 339 



21. Cenia Cocksii, A. and H. Falmouth 339 



22. Limapontia nigra, Johnst. Brit 340 



