COMMUNICATED BY THOS. STEEL. 369 



V. MoLLUscA.— By C. Hedley, F.L.S. 



The collection comprises the following moUusca, all of which 

 are in this region abundant, and being conspicuous forms, have 

 already been recorded from Eastern British New Guinea. For 

 further information on the land mollusca an article on the subject 

 in Vol. vi. Series ii. of these Proceedings may be referred to. 



The land shells are : — Nanina Jnaistelni, Smith, Pajndna bru- 

 meriensis, Forbes, Parlula siniiiaris, Hartman, Hulicina sicpra- 

 fasciata, Sowerby, var. sinus, Hedley, and Lej)topoma vitrenm. 

 Lesson. 



From the brooks there are: — Nerilina puUigera, Linn., Melnnia 

 graeffei, Mousson, and M. arthurii, Brot. 



The only marine mollusc is the world-wide species Linjula 

 anatina, Bruguiere 



vi. Oligoch.eta. — By J. J. Fletcher. 



Family Perich^tid^. 



Perichaeta sp. — Thi'ee specimens (one damaged, and one 

 juvenile), without clitella, and in too soft a condition to allow 

 of satisfactory determination. The seta? are minute, and very 

 numerous per somite. 



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