1907. Southern. — Oligochceta of Lcmibay. 81 



BIBLIOGRAPHY. 



Bretscher, K. — t. " Beobachtung iiber die Oligochaeten der Schweiz." 



Revue Suisse de Zoologie. vol. x., 1902. 

 Ceaparede, E. — 1. ''Etudes Anatomiques sur les Annelides, etc., 



observes dans les Hebrides." Mem. Soc. Phys. Geneve, xvi., 



1861. 

 Friend, H. — 1. " New Irish Annelids." Irish Naturalist, vol. vii., 1898. 

 MiCHAEESEN, W. — I. Oligochaeta, in " Das Tierreicli," vol. x., 1900. 



2. " Beitrage zur Kenntniss der deutschen Enchy- 



traeiden-Fauna." Arch. Mikr. Auat., vol. xxxi., 1S88. 



ROSA, D — i. '• Revhione dei Lumbricedi." Mem. A'. Aead. Torino (2), 



vol. xliii., 1893. 

 Vejdovsky, F. — 1. " Monographie der Euchytraeiden," 1879. 



DESCRIPTION OF PLATES. 

 Peate 18. 



Fig. 1. A.— Anterior region of Henlea hiberniea, n. sp M showing head- 

 pore, brain, and glands on epidermis. 



B. — a, Oesophageal glands of H. hiberniea ; b, c, dilations of 

 the dorsal vessel ; d, projection of oesophagus into 

 mid-gut ; e, mid-gut. 



C. — Spermatheca of H. hiberniea. 



D. — Nephridium of H. hiberniea. 

 Fig. 2. A.— Brain of Fridericia glandu/osa, n. sp. 



B. — Segment of F. glandnlosa, showing glands. 



C. — Coelomic corpuscle of F. glandulosa. 



D. — Spermatheca of F. glandulosa. 



E.— Nephridium of F. glandulosa. 

 Fig. 3. A. — Coelomic corpuscle oiAchceta minima, 11. sp. 



B. — Setal gland of A. minima. 



C. — Spermatheca of A. minima. 



D. — Nephridium of A. minima. 



E. — Anterior region of ventral nerve-cord of A. minima — 

 a, massed ganglia of 1-4 segments; b, folded border 

 of the ganglion. 

 Fig. 4. A. — Brain of Enehytneus minimus, Bret. 



B. — Anterior region of dorsal vessel of E. minimus, showing 



common origin of 1st and 2nd branches. 

 C. — Nephridium of E. minutus. 



Peate 19. 



Fig. 5. Spermatheca of Henlea Dicksoni (Eisen). 

 Fig. 6. Nephridium ol Mesenehy trains setosus, Mchlsu 



