470 ADDITIONS AND CORRECTIONS. 



MONILEA. 



MoNiLBA CALYcuLus AVood, PI. 61, fig. 13 ; pi. 41, figs. 14-17. 



This form is doubtless distinct from M. callifera Lam., with which 

 it is confused in the synonymy of that species on p. 247. T. masoni 

 Nevill is synonymous. See Proc. Zool. Soc. 1878, p. 818 (article by 

 E. A. Smith). 



Andaman Is. 



MiNOLIA. 



MiNOLiA cAiFAssii Caramagua. PI. 51, figs. 2, 3. 



Shell conoidal, umbilicated, very fragile; whorls SJ, angular, flat 

 above ; the first 3 smooth, the remainder minutely cingulate, granose, 

 obliquely striate, ornamented with chestnut-brown radiating spots 

 and whitish ; last whorl angular at base, convex below, and orna- 

 mented with 7 minutely grained concentric lir?e; umbilicus ample, 

 scalariform, cingulate, granose, bounded by a white crenate riblet. 



Alt. 5, diam. 5 mill. 



Assab, Red Sea, 20 meters. 



Minolia caifassii Car. Bull. Soc. Mai. Ital. 1888, p. 126, t. 8, f 1. 



Calliostoma. 



Calliostoma quadrisulcatum Philippi. PL 59, fig. 9. 



Shell imperforate, exactly conical, somewhat elevated, pale yellow, 

 sculptured with 4 rounded riblets as wide as the intervening furrows ; 

 Avhorls 7-8, plane, the last angular ; base nearly flat, with about 8 

 concentric grooves. Aperture almost exactly rhombic; columella 

 very oblique, cylindrical, scarcely truncate at base, and with a little 

 groove outside. Alt. 15, diam. 16 mill. (Phil.) 



Tr. quadrisulcatus Phil., Zeitschr. f. Mai. 1848, p. 124 ; Conchyl. 

 Cab., p. 259, t. 38, f 8. 



This species may belong to C. conuloides Its habitat is unknown. 



Calliostoma luridum (Nuttall) Reeve. PI. 65, fig. 79. 



Shell conical, whorls flatly sloping, rather tumid at the base, 

 smooth or malleated, sometimes spirally linearly engraved ; burnt- 

 brown, very obscurely luridly flamed. (Rve. in Conch. Icon., 

 Monog. Zizyphinus, f. 24, 1863.) 



Said by Reeve to be from California, but unknown to American 

 Conchologists there. 



