526 F. W. GAMBLE. 



(translated from * Russischer Arb, d. St. Petersburg Gesellsch. f. 

 Naturforsch.' Bd. iv). 



(49) 1878. Jensen, 0. S. — 'Turbellaria ad litora Norvegise occidentalia 



(Turbellaria ved Norges Vestkyst),' Bergen, fol., pp. 1 — 97, 8 plates. 



(50) 1879. Hallez, P. — ' Contributions a I'histoire naturelle des Turbel- 



laries,' Lille, 4to, pp. 1 — 213, 11 planches. 



(51) 1879. Levinsen, G. M. R. — " Bidrag til Kundskab cm Grcenlands 



Turbellarie-fauna," ' Vidensk. Meddel. fra. den naturb. Foren. i 

 Kjobenhavu ' (separate copy cited). 



(52) 1880. CzEBNiAVSKY, V. — " Materialia ad geographiam ponticam com- 



paratam," fasc. iii, Vermes, 'Bull. Soc. Imp. d. Natur. d. Moscow,' t. Iv. 



(53) 1882. Gkaff, Ludwig v. — ' Monographie d. Turbellarien : I. Rhabdo- 



coelida.' 



(54) 1884. Lang, A.— "Die Polycladen," 'Fauna u. Flora d. Golfes v. 



Neapel.' 



(55) 1886. KoEHLEU, R. — " Contributions to the Study of the Littoral 



Fauna of the Anglo-Norman Islands," ' Ann. and Mag. Nat. Hist.,' 

 5th ser., vol. xviii (translated from ' Ann. Sci. Nat.,' 6me ser., t. xx). 



(56) 1891. Graff, Ludwig v. — ' Die Organisation d. Turbellaria Accela," 



Leipzig. 



(57) 1891. BoHMiG, L. — " Untersuchungen ii. rhabdocole Turbellarien," 



'Zeit. f. wiss. Zool.,' Bd. li. 



DESCRIPTION OF THE FIGURES ON PLATES 

 XXXIX, XL, & XLI, 



Illustrating Mr. F. W. Gamble's paper on " Contributions to 

 a Knowledge of British Marine Turbellaria/^ 



PI. I represents the living animals, Pis. II and III compression- and other 

 preparations. 



Alphabetical List of Reference Letters for all the Figures. 

 B. C. Bursa copulatrix. BR. Brain. BS. Spermotheca. CH. Chitinous 

 portion of copulatory organ. CI. Cilia. COP. Copulatory organ. D. In- 

 testine. DO. Vitellarium. E. Eye. EI. Ovum. FL. Flagella. OER. 

 Germarium. GO. External genital aperture. KD. Granule-gland. L. Lens 



