NERITINA, 



Plate XXXVll. 



Species 161). {Vig. a, l>, Mus. Cdimiiig.) 



Neritina Numidica. Ner. lestd omtd, sjiird parvd, iJu- 

 ftucfd, mifractibtts comexis, tumidimculh, lavibiis, 

 nred columellari subnmpid, excavato-planata ; nigra. 



The Numidian Neritina. Shell ovate, spire small, dis- 

 tinct, whorls convex, slightly tumid, smootli, colu- 

 mellar area rather large, excavately flattened ; black. 



Recluz, Revue Zool. Soc. Cuvierienne, 1841, p. .3tfl. 

 f. 179. 



llah. Numidia. 



A black ovate form of N . jlmnatUh. 



Species 170. (Fig. a, h, Mus. Cuming.) 



Neritina arctilineata. Ner. testa subobUqiie ovatd, 

 spird parvd, mifractibus convexis, lavibus, area colu- 

 mellari siibangiistd ; lutencente, Vmeis nigris Jlexuosis 

 dense pictd. 



Tfie close-lined Neritina. Shell rather obliquely 

 ovate, spire small, whorls convex, smooth, columellnr 

 area rather narrow ; yeUowish, densely painted with 

 flexuous black lines. 



Recluz, Sowerby, Thesaurus Conch, part 10. ]>. .5.31. 



Hub. ■ — -? 



An obliquely ovate species, of rather light substance, 

 painted with close-set flexuous lines upon a yellowish 

 jrround. 



Species 171. (Mus. Chimmo.) 

 Neritina Chimmoi. Ner. testa ovatd, spird quasi ex- 

 sertfi, erosfi, anfractihus superne concavo-impressis, 

 spirali/cr sulcatis, sulcis superficiariis, -vtbjlexuosis, 

 irregularibus, juxta suturam confertioribus, ared co- 

 lumellari subangustd, declivi, leevi ; carbonario-atrd, 

 ared columellari tistnlato-sanguineo intense linctd. 

 CiiiMMo's Neritina. Shell ovate, spii-e as though ex- 

 serted, altogether eroded, whorls concavely impressetl 

 round the upper part, spirally grooved, grooves su- 

 perficial, rather flexuous, irregular, closer next the 

 suture, columellar area rather narrow, slanting, 



smootli; cdal- 

 with scorched 

 irab. ? 



lack, columellar art 

 xiod-rolour. 



deeply staine 



This fine species, in which the columellar area is cha- 

 racterized by a peculiar burnt blood-stain, was collected 

 liy Lieutenant Chimmo, we believe, in Australia or New 

 Zealand. Owing to the absence of the collector abroad J 

 .•iin unable to verify the locality. 



Species 173. (Fig. a, b, Mus. Cuming.) 



Neritina Panayana. Ner. testd oblique ovatd, tenui, 

 tiniudiusculd, spird atteniiatd, compressd, ared colu- 

 mellari subampld, excavato-planata ; lutescente, Uriels 

 iiigris tenuibm jlexuosm dense pictd. 



The Panay Neritina. ■ Shell obliquely ovate, thin, 

 rather swollen, spire attenuated, compressed, colu- 

 mellar area rather large, excavately flattened ; yel- 

 lowish, densely painted with fine fiexuous black lines. 



Sowekby, Thesaurus Conch, part 10. p. 517. pi- 115. 

 f. 191. 



Ilab. River Dingle, Island of Panay (on small stones) ; 

 Cuming. 



A delicate shell, of light semitransparent substance, 

 compressly attenuated towards the spire. 



Species 173. (Fig. a, b, Mus. Cuming.) 

 Neritina inuuinata. Ner. testd subquadrato-ovatu, 

 spird parvd, anfractihus convexis, tumidiusculis, ared 

 columellari subexcavaid ; olivaced, Uneis tenuibus ni- 

 gris marmoratd et reticulatd. 

 Th£ dyed Neritina. Shell somewhat squarely ovate, 

 spire small, whorls convex, rather swollen, columellar 

 area slightly excavated ; olive, mottled and reticu- 

 lated with tine black lines. 

 JIorelet, Mus. Cuming. 



Hub. ? 



C)f a rather square ovate form, closely mottled and re- 

 ticulated with black lines upon an olive ground. 



