OXYNOE. 165 



Oxynoe antillannn Men., Journal de Conchy]., 1863, p. 27; 

 Malak. Bl.,xxii, p. 179. 



The shell here figured was received from Morch. 



O. KROHNII A. Adams. Unfigured. 



Shell involute, ovate-oblong, gibbous posteriorly, at the apex sub- 

 angulate and plicate ; spire concealed ; white, shining, fragile, pellu- 

 cid. Aperture oval, acute behind, dilated in front; lip solute be- 

 hind, with an inflexed, rounded angle (Ad.*). 



Sandwich Is. (Mus. Cuming). 



Lopkocercus krohnii A. AD., P. Z. S., 1854, p. 94. Lobiger 

 krohnii H. & A. AD., Genera, ii, p. 31. Oxynoe krohnii MORCH, 

 Journ. de Conch., 1863, p. 46. 



This species is more gibbose posteriorly than L. sieboldii. The 

 region of the spire is plicate, and the shell is pellucid, white and 

 fragile (Ad.). 



O. VIRIDIS Pease. PI. 11, figs. 51-55. 



Shell thin, pellucid, fragile, white, slightly convolute, obliquely 

 finely striate, left side slightly inflated ; aperture large, open widely ; 

 outer lip disjoined from the apex, very slightly produced posteriorly 

 and truncate ; inner lip slightly callous. 



Body oval or ovate, dorsal region elevated, lateral lobes regular 

 in shape, outline of the edges convex, not meeting; tentacles well- 

 developed, grooved and truncated ; eyes immersed immediately be- 

 hind the tentacles ; foot linear, adapted for clasping sea- weed ; the 

 whole upper surface garnished with more or less numerous cirri- 

 gerous appendages. Tail long, compressed and lance-pointed. Color 

 grass green, mottled with darker, sometimes dotted minutely with 

 brown, or a few blue spots margined with black along the edge of 

 the lateral lobes and on the neck. (Pse.~). 



Huahine (Pse) ; Tahiti (Mts.) ; on sea-weed in shallow water. 



Lophocercus viridis PEASE, P. Z. S., 1861, p. 246 ; Amer. Journ. 

 Conch., iv, p. 74, pi. 8, f. 1, 2; pi. 12, f. 25. MTS. & LANGK., 

 Donum Bismarck iauum, p. 54, pi. 3, f. 4a, b. Oxynoe viridis MORCH, 

 Journ. de Conchy 1., 1863, p. 46. 



O. DELICATULA G. & H. Nevill. Frontispiece, figs. 1, 2, 3. 



Shell ovate, involute, a little contracted and truncate behind, 

 rounded in front, whitish, thin. Aperture subcircular behind, ovate 

 in front, elongated, dilated, margins approximating toward the pos- 



