122 EISEN 



igoo Researches in American Oligochaeta, with especial reference to those of 



the Pacific Coast and Adjacent Islands. Proc. Cal. Acad. Sci., 3d Ser., 



Zool., vol. 2, No. 2. 

 Emery, Carlo. 



1898 Diagnosi di un nuovo genere e nuova specie di Annelidi della famiglia 



degli Enchytraeidae. Melanenchytraeus solifugus. Atti R. Accad. 



Lincei (5) Rendic. Cl. di. fiss., vn, pp. no, in. 1898. 

 1898 Sur un Oligochete noir des glacier de PAlaska. Bull, de la Socie'te' 



Zool. Suiss. Geneve, Assemble general de Bern. 1898. 



Claparede, Ed. 



1861 Recherches Anatomiques sur les Anne"lides, Turbellarie's, Opalines et 

 Gre*garines observes dans les Hebrides, pp. 1-96, pis. 1-7. Geneve (H. 

 Georg). 1861. 

 Friend, Hilderic. 



1898 Researches among Annelids. Pp. 81-83. March, 1898. Irish Naturalist. 



Hesse, R. 



1893 Beitrage zur Kenntnis des Baues der Enchytraeiden. Zeit. wiss. Zool., 



Bd. LVII, i, pp. 17, Taf. i. 1893. 

 Leidy, L. 



1850 Descriptions of some American Annelida abranchia. Journ. Acad. 

 Nat. Sci. Phila., vol. n, 2d Ser., pp. 43-50, pi. n. 1850. 



Leiay, J. 



1882 On Enchytraeus, Distichopus and their Parasites. Proc. Acad. Nat. 



Sci. Phila., 1882, p. 145. 

 Levinsen, G. M. R. 



1884 Systematisk-Geografisk Oversigt over de Nordiske Annulater, Gephy- 

 rea, Chsetognathi and Balanoglossi. Vidensk. Meddel. f. d. Naturh. 

 Foren. i Kjobenhavn, 1883. Publ. 1884. 

 Michaelsen, W. 



1886 Ueber Enchytraeus Mcebii Mich und andere Enchytraeiden. Pp. 1-52, 

 Taf. 1-3. Kiel. 1886. 



1886 Ueber Chylusgefassysteme bei Enchytraeiden. Arch. f. mikr. Anat., 

 Bd. xxvin, pp. 292-304, Taf. xxi. 1886. 



1887 Enchytraeiden-Studien. Arch, f . mikr. Anat., Bd. xxx, pp. 366-378, Taf. 

 xxi. 1887. 



1888 Beitrage zur Kenntnis der deutschen Enchytraeiden-Fauna. Arch. f. 

 mikr. Anat., Bd. xxxi, pp. 483-498, Taf. xxm. 1888. 



1888 Die Oligochseten v. Siid-Georgien n. d. Ausbeute d. deutschen Station 

 v. 1882-1883. Jahrb. wiss. Anst. Hamburg, Bd. v, pp. 53-73. 1888. 



1889 Synopsis der Enchytraeiden. Abhandl. d. Naturw. Ver. in Hamburg. 

 Bd. xi, 60 pp., one plate. 1889. 



18890: Oligochaeten des Naturhistorischen Museums in Hamburg. I. Jahrb. 



d. Hamburgischen wiss. Anstalten. Bd. vi, pp. 12-17, Taf., figs. 4-7. 



1889. 

 1900 Oligochaeta. Das Thierreich. 10 Lief. Berlin (R. Friedlander und 



Sohn). 



