270 APPENDIX. 



dextral, instead of sinistral, as described by Wright, the spire im- 

 mersed, forming a false umbilicus. Von Martens suggests that it is 

 a distorted Turbo. ('ompare the sculpture with that of Turbo cor- 

 nutus. 



APPENDIX. 



Neritina, subgenus Clithon ^NFontf., p, 63. 



N. NORDQuisTi AVesterlund, 1887. PI. 68, figs. 9-11. 



Ovate, semiglobose, closely striate, with incremental wrinkles, 

 densely covered with spiral lines; black or rarely brownish-olive, 

 concolored or painted with numerous black points in transverse series, 

 black rhomboidal reticulations, or variously marked with pale yelloAV ; 

 spire prominent but nearly always eroded ; body-whorl strongly de- 

 pressed, subconcave at the suture ; suture appressed, anteriorly 

 subdescending ; ajjerture bluish within, angular above ; outer lip 

 slightly curved, basal margin arcuate, columella slightly sinuous, 

 obtusely denticulate , columellar area grayish yellow, finely rugose 

 and foveolate, its superior portion brown, sliining, punctate. 



Alt. 21, diam. lo mill. 



Japan. 



PHASiAXEr.LA, subgeuus Orthomesus, Pilsbry. 



P. splendida Philippi, 1849. PI. 39a, fig. 5. 



This form 1 inadvertently jilaced in the synomymy of P. variegatct 

 Lam. (p. 179). It seems to be quite distinct from that species. I 

 translate Philippi's description, Avliich applies perfectly to the speci- 

 mens before me. 



" Shell ovate-oblong, conoid, very thin, very smooth and shining, 

 olivaceous, sometimes varied by narrow milk-white fianuiiules marked 

 Avith transverse red lines articulated with white dots ; aperture ovate, 

 longer than the spire. 



" The shell is long-oval, conoidal, thin, very smooth and very 

 shining. The whorls seven in number, are moderately convex The 

 last occupies more than half the entire altitude. The two embryonic 

 whorls are milk-white, and form a blunt apex. The aperature is 

 rather broadly ovate. The color is olive-brown, verging on red, 

 sometimes with narrow milk-white fiammules, always with evenly 

 spaced red spiral lines, which are regularly interrupted by milk- 



