198 NUDIBEANCHIATE MOLLUSCA OF PLYMOUTH SOUND. 



13. Herdman, W. a. — Inaugural Address on some Recent Contributions to the Theory of 



Evolution, Proc. Liverpool Biological Society, vol. lii, 1889, pp. 13 — 15. (Pro- 

 tective colouration in Archidoris tuberculata.) 



14. Heedman and CJjVBB.— Second Report on the Nudihranchiata of the L.M.B.C. Dis- 



trict. Proc. Liv. Biol. Soc, vol. iii, 1889. 



15. Lankestee, E. Ray. — MoUusca. Encyclopsedia Britannica, 9th edit., vol. xvi. 



16. Leslie and Heedman. — The Invertebrate Fauna of the Firth of Forth. Edinburgh, 



1881. 



17. M'Intosh, W. C. — The Marine Invertebrates and Fishes of St. Andrews. Edinburgh, 



1875. 



18. M'Intosh, W. C. — Ow the Nudibranchiate Mollusca of St. Andretos, Proc. Roy. Soc, 



Edinburgh, 1864-65. 



19. NOEMAN, A. M. — On tivo New British Nudibranchiate MoUusca: Eolis sanguinea, 



n. sp., and Lomanotus Hancocki, n. sp. Ann. and Mag. of Nat. Hist., Dec, 1877. 



20. Pennant, Thomas. — British Zoology, vol. iv, 1777. 



21. PouLTON, E. B. — Notes upon the Markings, Sfc, of Lepidopterous Larva and Pupa. 



Trans. Entom. Soc, 1883—1887. 



22. PouiTON, E. B. — The Experimental Rroof of the Protective Value of Colour and 



Markings in Insects in reference to their Vertebrate Enemies. Proc. Zool. Soc, 

 March, 1887. 



23. RoissY, Felix de. — Histoire Naturelle des Mollusques (Suite h Buffon), Tome v. 



Paris, An. xiii. 



24. Thompson, W. — On a Species of Eolis, and also a Species of Lomanotus new to Science; 



with the Description of a Specimen q/Eolis cterulea of Montagu. Ann. and Mag. of 

 Nat. Hist., vol. v, 3rd series, 1860, pp. 48 — 51. (The descriptions are by Alder and 

 Hancock, who also made drawings of all the specimens, apparently not published.) 



25. Vatssiere, M. a. — Recherches Zoologiques et Anatomiques sur les Mollusques Opisto- 



branches du Golfe de Marseille. I' Partis : Tectibranches. Ann. Mus. Hist. Nat. 

 Marseille : Zoologie II, 1885, Mem. No. 3. 



