HABITS AND STRUCTURE OF ARBNICOLA MARINA. 37 



13. Literature. 



1838. Milne-Edwakds, A. — "Recherches sur le circulation des Annelides," 

 'Ann. Sci. Nat.,' ser. 2, t. x, 1838. 



1880. CosMOVici.— Arch. Zool. Expt.,' vol. viii, 1879-80. 



1881. Verrill, a. E. — ' Trans. Connecticut Academy,' vol. iv, pt. 2, 1881. 



1882. KttUKENBERG, C. F. W.— ' Vergleich. Anat. Studien,' Zvveile Reihe, 



Zweite Abtheil., Heidelberg, 1882, p. 87. 



1883. WiREN. — " Clisetopoder fran Sibiriska," ' Vega-expeditionens Vetensk 



Takttag,' Bd. ii, 1883. 

 1883. Levinsen. — " Systematisk-geograpli. Oversigtoverde Nordiska Annu- 



lata," ' Vidensk. Meddels. Kjobenliavn,' 1882-3. 

 1887. Cunningham. — ' Quart. Journ. Micros. Sci.,' xxviii, 1887-8, p. 231). 

 1887. Marenzeller. — ' Zoologische Jahrbiicher,' Abtli. f. Systematik, Bd. iii, 



1887, p. 12. 



1887. WiKEN.— ' Kongl. Vetenskamps-Akad. Handlinger,' 1886-7. 



1888. Cunningham and Ramage. — 'Trans. Roy. Soc. Edinburgh,' vol. 



xxxiii, 1888. 



1889. MacMunn.—' Quart. Journ. Micros. Sci.,' xxx, 1889-90, p. 74. 

 1891. CuENOT.— 'Arch. Zool. Expt.,' ser. 2, vol. ix, 1891. 



1891. Davison.— ' Geol. Magazine,' vol. viii, 1891, p. 489. 



1892. Ehlers.— 'Zeit. f. wiss. Zoo!.,' vol. liii, Suppl., 1892. 

 1892«. Ehlers.— ' Gottingen Naclirichten,' No. 12, July 27th, 1892. 



1893. Benham. — 'Journ. Marine Biol. Assoc.,' N.S., vol. iii, p. 48. 



1894. Schaeppi. — ' Jenaische Zeitschr.,' Bd. xxviii, 1894, p. 247. 

 1896. Racovitza.— ' Arch. Zool. Expt.,' s6r. 3, vol. iv, 1896. 



1896. Kyle.— ' Annals and Mag. Nat. Hist.,' ser. 6, vol, xviii, 1896. 



