NERITINA. 51 



N. Panayana, Recluz. PL 17, fig. 61. 



Lightly striulate, light yellowish olivaceous, with dark purple or 

 blackish zigzag strigations, often subreticularly confluent; aperture 

 and coluniellar area bluish, the latter slightly rugulose. 



Diam. 9 mill. 



Philijjpine Is. 

 N. Baconi, Reeve. PI. 17, fig. 62. 



Spire subexserted, obtuse, whorls convex, striate, shining, colum- 

 ellar area subcallous ; ash color, reticulated or flexuously lineated 

 with black. Diam. 14 mill. 



Swan River, Australia. 

 N. Nilotica, Reeve. PI. 17, figs. 68, 64. 



Conically semiglobose, smooth, a little shining, ash colored, with 

 numerous close subundalating purplish black strigations ; colum- 

 ellar area plane, yellowish white. Diam. 8 mill. 



Nile River. 



It is N. ardiUneata, Recluz, and N. Africana, Parreyss and Reeve 

 (fig. 63), not Recluz, also N. Dongolensis, Ehrenb. 



N. EuPHRATiCA, Mou?son. PL 17, fig. 65. 



Somewhat solid, striulate, yellowish ash color, with close, rather 

 wide zigzag blackish or dark violaceous strigations ; last whorl ob- 

 tusely subangulated above, columellar area bluish white, circum- 

 scribed posteriorly by a semielliptical line. Diam. 6 mill. 



Samava, Lotver Euphi'ates. 

 N. JoRDANi, Sowb. PL 17, figs. 66, 67. 



Ovate-conoidal, more or less constricted, striulate, solid, whitish, 

 with subconfluent, flexuous black strigations ; aperture bluish white, 

 columellar margin slightly sinuated, obsoletely denticulated, area 

 plane, yellowish behind. Diam. 7'5-14 mill. 



River Jordan. 



Fig. 67 represents a less compressed shell which may connect this 

 species with the preceding. ? N. Aleppensis, Recluz, and var. turris, 

 Mousson, are synonyms. 



N. Anatolica, Recluz, PL 17, figs. 68-71. 



Semiglobose, a little shining, lightly striulate, sometimes with fine 

 spiral sculpture, convex, often obtusely angulated, suture deep, 

 black, or more rarely violaceous with sjjiral black bands or longi- 

 tudinal wide strigations; columellar margin edentulous, area plane, 

 bluish white. Diam. 5-10 mill. 



Asia Minor, Syria, Palestine, Rhodes, Scio, etc. 



