968 MR. H, R. MEHRA ON TWO NEW INDIAN 



(5) The sperinatliecse are ectodermal in origin, and arise as an 

 invagination from the epidermis. 



(6) As regards its systematic position Aulodrilus belongs to the 

 Tubificidse, although it resembles the Naididee in some of its 

 features. Among the Tubificidse it is related to Tithifex and 

 Psmnmorcytes on the one hand, and Branchiura and Kawamuria 

 on the other. The spermiducal chamber, Avhich is pi-esent in 

 Monopylephorus, also seems to be independently derived in these 

 genera, and perhaps acts as a sucker during copulation. 



(7) List of References. 



(1) Beddard, F. E. — A Monograph of the Order Oligochseta. 



Oxford, 1895. 



(2) Benham, W. B. — "Atrium or Prostate." Zool. Anz. xiii. 



pp. 368-372 (1890). 



(3) Benham, W. B. — On some new Species of Aquatic Oligochsseta 



from New Zealand. Proc. Zool. Soc. London, vol. ii. 

 (1903). 



(4) Bretscher, K. — Beitrag zur Kenntnis der Oligochaeten- 



fauna der Schweiz. Kev. Suisse Zool. vi. p. 388 (1899). 



(5) Dixon, G. C— Tubifex. L.M.B.C. Memoir, 1915. 



(6) Eisen, G. — Preliminary Report on Genera and Species of 



TubificidcT. Bih. K. Yet.-Ak. Handl. v. no. 16, 26 pp. 

 (1879). 



(7) Eisen, G. — Oligochsetological Researches. Ann. Report, 



Commissioner of Fish and Fisheries, Washington, 1885, 

 pp. 879-964. 



(8) Goodrich, E. S. — On the Structure of Vermiculus pilosus. 



Quart. Journ. Micr. Sc, n. s. vol. xxxvii. (1895). 



(9) MiCHAELSEN, W. — Zur Kenntnis der Tubificiden. Arch. ISTatg. 



Jahrg. 74 Bd. 1. pp. 129-162 (1908). 



(10) MiCHAELSEN, W. — Oligochtetain' DasTierreich.' Berlin, 1900. 



(11) PiGUET, E. — Observations sur les ISTaididees et revision 



systematique de quelques especes de cette famille. Rev. 

 Suisse Zool. xiv. p. 218 (1906). 



(12) PiGUET, E., et Bretscher, K. — Catalogue des Invertebres de 



la Suisse, Fascicule 7. Geneve, 1913. 



(13) Stephenson, J. — ^ Aquatic Oligochasta from Japan and China. 



Memoirs, Asiat. Soc. Beng. vol. iv. (1917). 



(14) Stephenson, J.^ — "On a new Species of Branchiodrihis 



and certain other Aquatic Oligochaeta, with Remarks 

 on Cephalization in the ISTaididae." II. Branchiura 

 soioerhyi. Rec. Ind. Mus. vol. vii. (1912). 



(15) Stephenson, J. — " Oligochseta from Manipur, the Laccadive 



Islands, Mysore, and other parts of India." Rec. Ind. 

 Mus. vol. xxii. part v. no. 34 (1921). 



(16) Yejdovsky, p. — " System und Morphologie der Olisjo- 



chc^ten." Prag, 1884. 



