584 H. p. KJBRSCHOW AGERSBORG 



riproduttore nelle Aplysiae del Golfo di Napoli ", ' Atti Reale Ace. Sci. 

 fis. e Mat. di Napoli ', Sec. II, append, no. 5, 4 : .50 pp., 4 plates. 

 Mazzarelli, G. F. (1891a). — ^" Intorno all' apparato riproduttore di alcuni 

 Tettibranchi (Pleurobranchaea, Oscanius, Acera) ", ' Zool. Anz.', 14 : 

 233-43, 7 figures. 

 Meckel, J. Fr. (1808). — " Anatomie der Thetis leporina", ' Beitr. z. 



vergl. Anat.', 1 : 9-25, 2 Taf. 

 Meyer, H. A., und Mobius, K. (1865). — " Fauna der Kieler Bucht ", ' Die 



Hinterkiemer oder Opisthobranchiata, Leipzig ', 1 : xxx, 1-88, 26 plates. 

 Moquin-Tandon, M. G. (1870). — " Recherches anatomiques sur I'Om- 



brelle de la Mediterranee ", ' Ann. Sci. Nat.', 5 ser., Zoologie, 14 : 1-135, 



8 plates. 

 O'Donoghue, C. H. (1921). — " Nudibranchiate MoUusca from the Van- 

 couver Island region ", ' Trans. Roy. Canad. Inst., Toronto ', 13 : 



147-209, 5 plates. 

 (1922). — " Notes on the nudibranchiate MoUusca from the Vancouver 



Island region. I. Colour variation "'. ibid., 14 : 123-30, 1 plate. 

 O'Donoghue, C. H., and O'Donoghue, E. (1922). — "Notes on the nudi- 

 branchiate MoUusca. II. The spawn of certain species ", ibid., 14 : 



131-43, 2 plates. 

 O'Donoghue, C. H. ( 1922 a). — " Notes on the nudibranchiate MoUusca from 



the Vancouver Island region. III. Records of species and distribution ", 



ibid.. 14 : 146-67, 2 plates. 

 Parker, G. H. (1917). — "Pedal locomotion of the Sea-hare Aplysia 



calif ornica Cooper", ' Journ. Exper. Zool.', 24: 139^5. 

 Parker, T. J., and Haswell, W. A. (1910).— 'A text-book of zoology'. 



New York, 1 : 779 pp. 

 Parona, C. ( 1891 ). — " L'autotomia e la rigenerazione delle appendici dorsali 



(Phoenicurus) neUa Tethys leporina", 'Zool. Anz.', 14: 293-5. 

 Pease, W. H. (1860). — " Melibe pilosa. Description of a new species 



of MoUusca from the Sandwich Islands ", ' Proc. Zool. Soc, London ', 



pt. 28 : 34. 

 Pelseneer, P. (1891). — " L'hermaphroditisme des Nudibranches sacoglosses 



(Elysiens, etc.) ", ' Ann. Soc. Malacol. Belgique ', 4 ser., 6 : 28-30. 

 (1891a). — "Sur quelques points d' organisation des Nudibranches 



et sur leur phylogenie ", ' Bull. Soc. Malacol. Belgique ', pp. 58-71. 

 (1893). — " Les appareUs excreteur et reproducteur de Elysia ", 



' Zool. Anz.', 16 : 458-60. 

 — ■ — (1895). — "Hermaphroditism in MoUusca", 'Quart. Journ. Micr. 



Sci.', 37 : 19-46, 3 plates. 

 (1895a). — " L'hermaphroditisme chez les MoUusques ", ' Arch. Biol. ', 



14 : 33-62, 3 plates. 

 (18956). — " Recherches sur divers Opisthobranches ", 'Mem. cour 



Acad. Roy. Belgique ', 53 : iii and 1-157, 25 plates. 



