2l8 



layer is slightly damaged, this seems to be no difference of any importance ; a specimen from 

 Stat. 300 the only one that has been collected alive, has a golden-yellow operculum. 



Moreover there are several specimens of Naticn, belonging to different subgenera, which 

 are young and in bad condition, so I could not identify them, and even if afterwards one or 

 two might prove to be new, I think it is not advisable to describe new species on such poor 

 specimens, in a genus where the species seldom have prominent characters 



Sigaretus Lamarck. 

 I. Sigaretus linneanus Recluz. 



Recluz in Chenu. 111. Conch. Vol. Ill, Sigaretus, PL i, fig. 4. 



Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. VI, Sigaretus, p. n, PL 9, fig. 2, 5. 



Tryon. Man. of Conch. Vol. VIII, p. 59, PL 25, fig. 89, 90. 



Stat. 285. South coast of Timor. 34 M. On the Limit between mud and coraL Lithotham- 



nion. I Spec. 

 Stat. 294. South coast of Timor. 73 M. Soft mud with very fine sand, i Spec. 



The specimen from Stat. 285 is very small and covered by a brown epidermis. I can 

 however see nothing else in it, but a young specimen of S. linneamis Reel. 



Fam. Marseniidak Bergh. 

 Marsenia Leach. 



1 . Marsenia perspiciia Linne. 



2. Marsenia Sibogae Bergh. 



Chelyonotus (Swainson) Bergh. 

 I . Chelyo7iotus Semperi Bergh. 

 For this family see appendix by Prof R. Bergh in Part I of this publication. 



Fam. SoLARiiDAE Chemn. 



Solarium Lamarck. 



1. Solarium perspectiv7im Linne. 



Linne. Syst. Nat. Ed. X, p. 757, N" 503. 



RUMPH. Amb. Rariteitkamer, p. 91, PL 27, fig. L. 



Philippi. Martini-Chemn. Conch. Cab. Ed. II, Vol. II, Solarium, p. 27, PL 4, fig. 6 (incisiim). 



Reeve. Conch. Ic. Vol. XV, Solarium, fig. 11. 



Tryon. Man. of Conch. Vol. IX, p. 8, PL 2, fig. 18, 19. 



