ADDENDUM. 



Pag. 4. Bei den Lepidopleuriden aus grösserer Tiefe: 



Lepidopleurus belgicae Pels. 7o°S., 8o°48'W., aus einer Tiefe von 500 M. (P. Pelseneer, 

 Résultats du Voyage du Belgica, 1897 — 1899, Mollusques, 1903, Pag. 16). 



Pag. 13. *i. Hanleya sykesi Sow. 



G. B. SOWERBY. Mollusca of South Africa Marine Investigations in South Africa, Vol. 

 II, Pag. 225. 



Süd-Afrika. 



Pag. 15. *2a. Trachydermon sharpi Pilsbry. 



H. A. Pilsbry. Nautilus, Vol. X, 1896, Pag. 49. 

 Unalaschka. 



Pag. 15. *4. Trachydermon dentiens Gld. 



H. A. Pilsbry. Nautilus, Vol. XII, 189S, Pag. 50. 

 Insel Socorro. 



Pag. 17. *3ö. Chaetopleura destituta Sykes. 



E. R. Sykes. Proc. Malac. Soc. London, Vol. V, Part 3, 1902, Pag. 195. 

 Durban. 



Pag. 20. *6a. Ischnochiton herdmani Sykes. 



E. R. Sykes. Report Ceylon Pearl Oyster Fish., Suppl. Rep. IV, 1903, Pag. 178. 

 Golf von Alanaar. 



Pag. 28. *28. IscJinocJiiton fruticosus Gld. 



C. v. Wissel. Zool. Jahrb., Bd. XX, 6. Heft, 1904, Pag. 594. 

 Neu-Seeland, Chatham-Inseln, French-Pass; Bare-Island, Nordwest-Amerika. 



P a &- 35- '97- Ischnochiton biaratatus Dall. 



W. H. Dall. Proceed. Soc. Washington. Vol. XVI, Pag. 176. 

 Californien. 



SIBOGA-EXrEDITIE XLVIII. 15 



