531 



strigata vel reticulata, vel nigra, punctis albis ; spira exsertiuscula, 

 anfractibus superne declivis ; apertura plerumque lutea, obHqua ; 

 columella angustata, margine crenulato. 



Resembling N.faba and N.pulchella ; more obHquely oval, with 

 the spire more produced, although obtuse ; the aperture is rather 

 narrow, yellow, with a narrow, flattish, dentated columella ; ex- 

 ternal surface wliite, with black, angulated Hues, or reticulated 

 with black, or as in the variety named N. tristis by D^Orbigny. 



West Indies. 



81. Neritina Jordani (pi. cxv. f. 213-215), Sovj., Conch. 

 Illust., f. 49. N. Elleppenensis, Becluz. 



N. testa subglobosa, Isevi, nigra albo variegata, vel alba Hneis 

 purpureis fluctuatis picta ; spira exsertiuscula, anfractu ultimo ad 

 suturam subtumido, prope medium plus minusve contracto; aper- 

 tura postice subcontracta, antice subexpansa ; labio extemo prope 

 sutui'am subangulatim elevato. 



Of a globose form, incHning to oval, with a tendency to con- 

 traction in the middle of the last whorl or nearer the upper part. 



River Jordan. 



82. Neritina Maori (pi. cxvi. f. 222), Rechz, MS. 



N. testa subovali, nigra ; spira exsertiuscula ; apertura obliqua, 

 labio interno subtumido, griseo, laevi. 



Resembling the darker variety of N. Jordani, but having no 

 tendency to contract in the middle of the last whorl. 



Asia Minor. Capt. Spratt, R.N. 



83. Neritina arctilineata (pi. cxvi. f. 223, 224), Recluz, 

 MS. 



N. testa oblique subovali, grisea, lineis subpurpureis undulatis 

 picta ; spira parva ; apertura subexpansa ; labio interno obliquo, 

 aurantio, subplanulato, Isevi. 



Of an obliquely subovate form, grey, with purplish, undulated 

 lines ; spire short ; aperture rather expanded ; columella semicir- 

 cular, flat, orange-coloured, smooth. 



Locality unknown. 



84. Neritina analotica (pi. cxvi. f. 225, 226), Recluz, 

 Rev. ZooL, 1841, p. 342. 



"N. testa subovata, violacea, tenue striata; spira brevissima. 



