377 



whorls are much broader, consequently much less in number, T. Archimedes of the same lenght 

 would have 24 whorls ; the bulbous nucleus may also serve as a good distinctive character. 



Hastula Adams. 



1. Hastula (Hastula) matheroniana Deshayes. 



DESHAYES. Proc. Zool. Soc. Lond. 1859, p. 287. 



Stat. 296. Near Noimini, South coast of Timor. 8 — 36 M. Sandy mud. 1 Spec. 



Reeve considered this species at first as a synonym of T. strigillata, but afterwards in 

 the „corrigenda" separates it. Tryon remained in doubt, but finally refers it to strigillata. 

 Unfortunately the only specimen is not in sufficiënt condition for a figure, as not only the 

 shell has two holes, but the aperture is severely damaged. I think it is sufficiently distinct by 

 its size, acicular shape, sharper ribs and colour. 



2. Hastula (Impages) coertilescens Lamarck. 



Lamarck. An. s. vert. Ed. II, Vol. X, p. 245. 



KlENER. Coq. Viv. Vol. VIII, Terebra, p. 17, PI. 6; PI. 7, fig. \2a,b. 



KOSTER. Martini-Chemn. Conch. Cab. Ed. II, Vol. V, Terebra, p. 10, PI. 2, fig. 6. 



SOWERBY. Thes. Conchyl. Vol. I, p. 159, PI. 41, fig. 5, 6. 



REEVE. Conch. Ie. Vol. XII, Terebra, fig. 26, b, c. 



TRYON. Man. of Conch. Vol. VII, p. 30, PI. 10, fig. 75. 



Stat. 33. Bay of Pidjot, Lombok. 22 M. and less. Mud, coral and coralsand. 5 Spec. 

 Stat. 279. Roma-island. Reef. 2 Spec. 



The Siboga-specimens agree with the quoted figures, those from Stat. 33 are quite white, 

 with occasionally a few dark streaks, those from Stat. 279 are richly variegated with dark 

 ash-coloured bands and streaks. 



Fam. Conidae. 

 Conus Linné. 



After having made some trials to arrange the species of this genus in the known sub- 

 genera and sections, I find that authors are not at all agreeing in this respect, so much so 

 that even one and the same species has been located in different sections, by the same author, 

 in subsequent papers ; under these circumstances I have foliowed Tryon, hïs monograph being 

 the latest, which enumerates the species in a systematic order; his method, based on the views 

 of Weinkaüff, brings the species to natural groups; I have only made a few exceptions. 



1. Conus (Marmorei) marmoreus Linné. 



Linné. Syst. Nat. Ed. X, p. 712, N° 250. 



Rumph. Amb. Rariteitkamer, p. 104, PI. 32, fig. N. 



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