British Enchi/trivids. By Rev. H. Friend. 



271 



Nottingham, September 10, 1912, and now described for tlie first 

 time. A very similar worm found at Netherhall, J)erl)vshire, 

 Xovember 22, 1912. It was longer (5 mm.), and had 40 segments, 

 but in most other respects agreed with the type. 



Fig. 34. ^Salivary glands of H. 

 pusilla Friend. 



Fig. 35. — Nephridium of 

 H. pusilla Friend. 



Other recently discovered species remain to be considered at a 

 later date, or will be found described elsewhere {8). 



Bibliography. 



1. Beddard — Monograph of Oligochseta. Loudon 1895. 



2. MiCHAELSEN — Das Tierreich. Berlin, 1900 



3. „ Enchytrseiden-Studien. Arch. Mikr. Anat 1880. 



4. BucHHOLz — Schr. Ges. Konigsb. v. 3 Abh. (1863), p. 93. 



5. Bretscher— Revue Suisse de Zool. vol. ix. (1901) p. 208. 



6. Friend— Journ. R. Micr. Soe. 1912, pp. 9-27. 



7. „ Ditto 1912, pp. 577-98. 



8. „ Zoologist, March 19 1 3, pp. 81-91. 



9. „ Trans, Nott. Nat. Soc. 1911-12. 



