220 



with the plaits extending to the base, and destitute of the coarse 

 revolving lines. 



Neritina capillulata. Testa conico-globosa, ad peripheri- 

 am subangulata, fusco-viridi, interdum fasciata, lineolis capilla- 

 ceis fuscis acute angulatis reticulata ; spira obtusissima, anfr. 2, 

 ultimo prope suturam obstricto ; apertura oblique semicirculari, 

 virescente, labro tumido, columella arcuata, obtusa, edentula, 

 striolata. Long, f , lat. ^ poll. Hab. Tavoy. 



Much like N. ziczac, but much smaller and of a paler green ; 

 the aperture is much lighter colored, and the zigzag lines are ex- 

 ceedingly delicate and very acutely angular, not being distinctly 

 visible except in young specimens. It must be very much like 

 'H.Jiavovirens, Von den Busch. 



Nerita articulata. Testa oblique semiglobosa, postice 

 planulata, antice dilatata ; spira prominula, anfr. 3, liris pro- 

 minulis atro-purpureis, albo articulatis 25-30 cinctis, interspatiis 

 latioribus lucidis carneolis decussatim striatis : apertura magna 

 semilunar!, labro acuto atropurpureo, callo albo creberrime sulca- 

 to firmato ; fauce luteo ; labio excavato, extrorsum plicato; colu- 

 mella acuta, sinuata, denliculis 3-4 armata. Diam. |^, alt. ^ poll. 

 Hab. Tavoy. 



Much like M. lineata^ but a little more oblique and less globu- 

 lar ; the girdling threads are less numerous, less in relief, and 

 distantly articulated with white ; color more flesh-like ; grooves 

 on labrum more numerous, 25-30 ; spire a little protruded. 



Nematdra puncticijlata. Testa minula, subrhombea, com- 

 pressa, solida, nitida, pallide virescente, omnino sub lente punc- 

 ticulis serialibus insculpta ; spira elevala, anfr. 5 convexis, ultimo 

 permagno, versus aperturam valde contracto ; apertura parva, 

 dispari, rotundato-elliptica, tubuliformi ; labro simplici, crasso, 

 continuo. Long. -|, diam. f & ^ poll. Hab. Tavoy. Present- 

 ed by Mrs. Vinton. 



About the size and shape of N. deltcB, Benson, but the aper- 

 ture is much more distorted, there is no approach to an umbili- 

 cus, and its punctured surface is sufficiently distinctive. 



Unio generosus. TestI magna, solida, transversa, oblongo- 

 ovata, inequilateral!, antice rotundata et angustata ; postice obli- 



