32 TROCHUS. 



plicate ; umbilical area white, funnel-shaped^ callous, rather narrow, 

 obsoletely spirally costate. 



Alt. 35, diam. 36 mill. 



New Caledonian Archipelago ; Uvea; Viti Is. 



T. tubiferus KEENER, Spec. gen. Troque, t. 37, f. 3. FISCHER, 

 Coq. Viv. p. 116. T. concinnus PHIL., Zeitsch.f. Mai., 1846, p. 105. 

 (young.) REEVE, Conch. Icon. f. 15. Polydonta squamigera A. 

 AD., P. Z. S., 1851, p. 155. T. obesns REEVE, Conch. Icon. f. 75. 

 (pi. 8, fig. 82.) 



The numerous line of the base separate this form from T. calcara- 

 tus, with which it agrees in the perforated or fistulose spines. These 

 are sometimes subobsolete, and frequently solid on the last whorl. 



T. SQUARROSUS Lamarck. PI. 6, figs. 60, 61. 



Shell umbilicate, conic-pyramidal, thick, radiate with white and 

 and rose color ; whorls 9, the embryonic smooth, the following 

 planulate, sculptured with spiral series of regular beads the remain- 

 ing whorls subexcavated in the middle, with three series of granules 

 on the upper part and a series of oblique short folds below; last- 

 whorl carinated, with 16 to 24 folds crenulating its periphery; base 

 planulate, with six concentric granulose lirse, separated by interstices 

 as wide as the ridges; aperture rhomboidal; lirate within ; umbilical 

 area spirally plicate. 



Alt. 35, diam. 40 mill. (Fischer.') 



Inf. Reunion; Ujwlti-; Sandwich Is. 



T. sguarrosus LAM., An. s. Vert, vii, p. 20. 1822. T. regius 

 DESH. in LAM., An. s. Vert. ed. 2, ix, p. 155. (non regius Reeve, 

 Conch. Icon. f. 10.) T. oblitus REEVE, Conch. Icon. t. 16, f. 98. 



T. RUBRICATUS Philippi. PI. 7, figs. 70, 71. 



Shell false-umbilicated, conical, whitish, maculated with purplish 

 red; whorls 8^ separated by an undulating suture, planulate, the 

 apical eroded, the following obliquely, finely striate, spirally lirate 

 with 5 to 6 lirse, the three upper ones distinct, two or three lower 

 obsolete ; lower part of the whorl nodose, the nodules prominent ; 

 last whorl carinated, crenulated at the periphery with 16 nodules; 

 base marked with radiating, flexuose lines and 8 to 9 concentric, 

 granulose, lira?, the interstices between those in the center wider and 

 marked with minute parallel lira?; aperture rhomboidal, lirate with- 

 in ; basal margin plicate; colum'ella oblique, umbilical area funnel- 

 shaped, with a spiral ridge. 



Alt. 17, diam. 22 mill. (Fischer.') Japanese /Seas, 



