ANATOMICAL STRUCTURE OF KERRIA. 315 



PAPEES REFEEKED TO. 



Frank E. Beddard. Ou the Anatomy of Ociierodrih;s. Proceedings 

 Eoyal Society of Edinburgh. Vol. 36, pages 563 to 583. 



Frank E. Beddard. On a NewGemas of 01igochiBt?e, Comprising Five 

 New Species Belonging to the Family OcnerodrilidiB. Annals and Magazine 

 of Natnral History, No. 55, Jiily, 1892, page 74, plates vi and vii. 



Frank E. Beddard. Abstract of some Investigations into the Struct- 

 ure of the Oligocha^ta. Annals and Magazine of Natural History, Jan., 

 1891, p. 88. 



Frank E. Beddard. Ou some Aquatic Oligochietous Worms. Proc. 

 Zool. Soc. 1892, No. xxv. 



Daniele Eosa. Sui genere Poutodrihis, Microscolex and Photodrilus. 

 Bollettino dei Musei di Zoologia, Universita di Torino, vol. iii. No. 39, 

 Marzo, 1888. 



W. B. Benham. An attempt to Classify Earth-worms. Quatr. Journal 

 of Microscopical Science, vol. xxxi, part ii, p. 201. 



Gustav Eisen. Anatomical Studies on New Species of Ocnerodrilus. 

 Proc. Cal. Acad. Sci., 2d seres, vol. iii, Jan. 19, 1893. 



