2 I I 



Stat. 33. Bay of Pidjot, Lombok. 22 M. Mud, coral and coralsand. 1 Spec. 



Stat. 47. Bay of Bima. 55 M. Mud with patches of fine coralsand. 1 Spec. 



Stat. 53. Bay of Nangamessi, Sumba. Up to 36 M. Coralsand. 2 Spec. 



Stat. 71. Makassar and surroundings. Up to 32 M. Mud, sand with mud, coral. 3 Spec 



Stat. 142. Laiwui, North coast of Obi Major. Reef. 1 Spec. 



Stat. 193. Sanana-bay, East coast of Sula Besi. Reef. 2 Spec. 



Stat. 311. Sapeh-bay, East coast of Sumbawa. Up to 36 M. 1 Spec. 



The specimens are smaller than they ought to be according to the descriptions anti 

 figures, bnt agree in every other respect. 



16. Natica lincata Lamarck. 



LAMARCK. An. s. vert. Ed. Desh. Vol. VIII, p. 640. 



PHILIPPI. Martini-Chemn. Conch. Cab. Ed. II, Vol. II, Natica, p. 11, PI. 1, fig. 9. 



REEVE. Conch. Ie. Vol. IX, Natica, fig. 24. 



TrvoX. Man. of Conch. Vol. VIII, p. 29, PI. S, fig. 57. 



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



17. Natica gracilis Recluz. 



RECLUZ. Journ. de Conch. Vol. I, 1S50, p. 387, PI. 14, fig. 11. 

 TRVON. Man. of Conch. Vol. VIII, p. 29, PI. 8, fig. 59. 



Stat. 4. Djangkar (Java). 9 M. Coarse sand. 1 Spec. 



Stat. 47. Bay of Bima. 55 M. Mud with patches of fine coralsand. 1 Spec. 



Stat. 142. Laiwui, North coast of Obi Major. Reef. 1 Spec. 



In the specimen from Stat. 142 the chestnut lines are wanting, but otherwise the shell 

 agrees with typical ones, it may be bleached and is not quite adult; that trom Stat. 4 is a 

 fresh specimen, with a brovvnish epidermis and operculum; the latter is calcareous, white, with 

 7 deep grooves, separating rather broad lirae," columellar margin of the operculum notched, 

 partly by the terminations of the grooves, partly by 2 shorter grooves, running at a little 

 distance from the margin. 



18. Natica rufa Born. 



Born. Testacea Mus. Vindobon. p. 398, PI. 17, fig. 3, 4. 



RUMFH. Amb. Rariteitkamer, p. 76, PI. 22, fig. D. 



PHILIPPI. Martini-Chemn. Conch. Cab. Ed. II, Vol. II, Natica, p. 14, PI. 2, fig. 1, 2. 



REEVE. Conch. Ie. Vol. IX, Natica, fig. 70. 



TRVON. Man. of Conch. Vol. VIII, p. 29, PI. 9, fig. 62, 63. 



Stat. 33. Bay of Pidjot, Lombok. 22 M. Mud, coral and coralsand. 1 Spec. 



Stat. 71. Makassar and surroundings. Up to 32 M. Mud, sand with mud. 1 Spec. 



Stat. 279. Rumah-Kuda-bay, Roma-island. 36 M. Mud and sand. 2 Spec. 



The operculum has been described with a few words by Rumph, it is thick, especially near 

 the nucleus, where both specimens from Stat. 279 have a knob, resembling a small agglutinated 

 pebble; the whole margin is crenulate, the external rim squamose, and separated from a very 



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