«56 



Varying much in si probably adult specimens trom Stat. 261, with well- 



developed outer lip and a osite side of the body-whorl, the largest specimen 



nas .1 length of 22 Mill. the smallesl of only 10 Mill.; the full-grown intermediate specimens 



have the length of 1 1 < and :o', Mill. 



\. Adams. PI. X\', fig. 5: PI. XVI. fig. 1. 



II. Zool. Soc. Lond. 1863, p. 428. 



ni ii. Vol. VII, p. [19, 



1 ,: '. .1 (Java). 9 M. Coarse sand. 10 Spec. 

 ; 3. Bay of Pidjot, Lombok. 22 M. Mud, coral and coralsand. 1 Spec. 

 47. Ba) <>! Bima, ncar South fort. 55 M. Muil with patches ut" fine coralsand. 1 Spec. 

 Bay <>|" Badjo, West coast of Flores. Up to 40 M. Mud, sand and shells. 1 Spec. 

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

 .Mat. 213. Saleyer. Up to 36 M. Coralreefs, mud and mud with sand. 1 Spec. 

 Stat. ? 10 Spec. 



Ili is species is also very variable in size, the smallest specimen from Stat. 4 being only 

 14 Mill. in length, the largvst from the same locality 23 Mill., this latter being only surpassed 

 bv a specimen from Stat. : measuring 25 Mill. The opercuium is serrate, as in A'. cancellata\ 

 ,i> far as 1 know this species has not been figured before. 



The radula which, as far as I am aware, was not yet known is very small, its length 

 is about k , its breadth '/s 0I " a Mill., with about 35 transverse rows. The rhachidian tooth (R) 

 is broadly rounded in front, contracted behind, with a cusp bearing one moderately large central 

 denticle and about 6 smaller ones on each side, the laterals(i) are strongly transversely elongate 

 with a simple reflected margin, terminating in a sharp point towards the centre of the radula, 

 the uncini I are long and slender, strongly curved, with a few indistinct denticles. The general 

 appearance of the radula is much the same as that of the preceding genus, as far as may be 

 judged from one radula of each, the chief difference being the smooth margin of the laterals, 

 which are provided with many denticles in Rostellaria. 



Terebellum Klein. 



1. Terebellum terebellum Linné. 



LlNNÉ. Syst. Nat. Ed. X. p. 718, V 2S4. 



Rl mimi. Amb. Rariteitkamer, p. 101. PI. 30, fig. S. 



KlENER. Coq. Viv. Vol. I. Terebellum, p. 2. PI. 1, lig. 1 [subulatum). 



Reeve. Conch. Ie. Vol. XVI, Terebellum, lig. 1 [punctatum). 



,"N. Man. of Conch. Vol. VII, p. 131, PI. 11. fig. 27 — 30 {subulatum). 



Mat. 33. Bay of Pidjot, Lombok. 12 M. Mud, coral and coralsand. 1 Spec. 



Stat. 37. Sailus Ketjil, Paternoster-islands. Reef. 1 Spec. 



Stat. 47. Bay "f Bima, neai South fort. 55 M. Mud with patches of fine coralsand. 4 Spec. 



Kambaragi-bay, Tanah-Djampeah. 32 M. Coral, coralsand. 1 Spec. 

 Stat. 71. M 1 and surroundings. 2-; —32 M. Mud, sand with mud, coral. 2 Spec. 



Stat. 24M. Banda. 9 — 45 M. Black sand, coral. 1 Spec. 



;8. 'I'ual. Kei-islands. 22 M. Lithothamnion, sand and coral. 1 Spec. 

 I, Buka-bay, Rotti-island. Up to 36 M. Mud, coral and Lithothamnion. 2 Spec. 

 I ast "f Dangar He-ar, Saleh-bay. Lp t" 56 M. Sand coral and mud. 7 Spec. 



48 



