252 MONILEA. 



M. SOLANDRI Philippi. PL 61, figs. 9, 10. 



Shell depressed-coiioidal, whitish, sprinkled with brown spots and 

 streaks ; whorls convex, encircled with close obsoletely crenulated, 

 subgranose lirse ; base with 8 cinguli, the interstices elegantly 

 punctate-foveolate ; umbilicus open, spiral ; columella arcuate, base 

 produced into a denticle ; lip sulcate within. (Phil.) 



The shell is pretty flatly conoidal, pretty thin, and consists of 7 

 whorls; they are pretty convex, and are encircled by about 10 

 double, strongly elevated sharp lirse, each consisting of a larger and 

 a smaller ; on the last whorl there are still more. These lirse on my 

 specimens are scarcely granulate to speak of, but the interstices are 

 crowded with growth-lines. The base, which distinguishes this 

 species from T. rigatus and T. calliferus, is pretty flat, with 8 smooth 

 concentric lirse, of which the broad interstices are very prettily 

 punctate, or rather divided into little pits. The umbilicus is mod- 

 erately wide, and opens out like a funnel, and is sharply bounded by 

 the innermost rib of the base. The aperture is lower than broad, 

 rather quadrangular; the outer lip and throat are sulcate; the col- 

 umella is produced, and ends in an acute tooth. The color is white, 

 with brown dots, which often, especially on the base, coalesce into 

 streaks. Alt. 11, diam. 15 mill. (Philippi.) 



West Coast of Australia. 



Monodonta crenulata MKE., Moll. Nov. Holl., p. 14 (1843) (not T. 

 crenulatus Lam. nor Brocchi.) T. solandri PHILIPPI Conchyl. Cab., 

 p. 180, t. 28, f. 8. Monilea plumbea A. AD. P. Z. S. 1851, p. 188. 



M. LIFUANA Fischer. PI. 41, figs. 6, 7 ; pi. 59, figs. 64, 65. 



Shell perforate, conoid-depressed, rather thin ; color very variable, 

 whitish-buff or rosy, brown reddish, ornamented with rosy macula- 

 tions and narrow spiral lines articulated with white ; transversely 

 delicately sulcate, the sulci exquisitely decussated by incremental 

 strise ; whorls 6, slightly convex, the first buff, the remainder sub- 

 angulate ; last whorl dilated, slightly subangular in the middle, con- 

 vex beneath and very finely decussated ; aperture subovate, del- 

 icately sulcate within ; columella arcuate ; columellar callous thick, 

 semicircular, yellowish or livid-green, almost covering the umbilicus. 



Alt. 11, diam. 14 mill. (Fischer.) 



Id. of Lifou, Loyalty Archipelago. 



T. lifuanus FISCHER, Journ. de Conchyl. 1878, p. 63, 206 ; Coq. 

 Viv., p. 388, t. 116, f. 4. Smith, Zool. 'Alert.' 



