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1900 Researches In American Oligochseta, with especial reference to those of 

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

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Emery, Carlo. 



1898 Diagnosi di un nuovo genere e nuova specie di Annelid! della famiglia 

 degli Enchytrjeidse. Melanenchjtrseus solifugus. Atti R. Accad. 

 Lincei (5) Rendic. CI. di. fiss., vii, pp. no, in. 1898. 

 1898 Sur un Oligochfete noir des glacier de I'Alaska. Bull, de la Socidt^ 

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



Claparede, Ed. 



i86i Recherches Anatomiques sur les Anndlides, Turbellarids, Opalines et 

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 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. 1S93. 



Leidy, L. 



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

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Leidy, J. 



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

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Levinsen, G. M. R. 



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

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

 Foren. i Kjobenhavn, 1883. Publ. 1S84. 



Michaelsen, W. 



1886 Ueber Enchytrseus Moebii Mich und andere Enchytraeiden. Pp. 1-52, 

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x886 Ueber Chylusgefassysteme bei Enchytraeiden. Arch. f. mikr. Anat., 

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



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

 XXI. 1S87. 



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

 mikr. Anat., Bd. xxxi, pp. 483-498, Taf. xxiii. 1S88. 



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

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

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1889a 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). 



