539 



106. Nemtina TuRTONr (pi. cxii. f. 92, 93), ? 



N. testa N. Zehrm siniili, scd aiifractibus prope suturam depressis; 

 columella complanata, castanea. 



Resembling N. Zebra, but with the whorls rather depressed 

 near the sutui'e, and the columella rather flat, and of a chestnut 

 colour. 



New Ireland. B. B. Kinds, Esq., R. N. 



107. Neritina turrita (pi. cxii. f. 91, 113, 114), Cliemn. ix. 

 t. 124. f. 1085. N. strigilata. Lam. Var. (f. 91) N. Royssiana, 

 Mecluz. 



N. testa N. Zebras, simillima, sed magis conica, spira magis ex- 

 serta, labio interno tumido, carneolo. 



Eesenibling i\^. Zebra, but witli the spire more produced, 

 and the iimer lip more tmnid. The variety (f. 91) named N. 

 Royssiana, Recluz, and figured in the Conch ological Illustrations 

 as N. strigilata var., is smaller, and has the black markings very 

 small and angulated. 



Madagascar. 



108. Neritina semiconica (pi. cxii. f. 116), Lam., Anim. s. 

 vert. Sow., Conch. 111. f. 23. 



N. testa N. Zebra simili, sed magis conica, soHdiore, labio in- 

 terno tumido, carneolo ; N. turriia simih, sed magis ovali, maculis 

 nigris in fasciis tribus picta. 



Tliis is so (hstinctly recognizable as a species of Lamarck, that 

 we do not push our scruples to the extreme against admitting a 

 specification wliich has so little beyond arrangement of colour to 

 sustain it. The shell is like N. turrita, but rather more sohd, 

 and has the slope of the spire more gradual. The three bands of 

 dull grey are marked by angular black spots. 



Banks of the Ganges, Calcutta. 



109. Neritina pulchra (pi. cxii. f. 89, 90), 8ow., Conch. 

 lU. f. 59. 



N. testa N. ZebrcB simih, sed columella subcomplanata, vix 

 crenulata, fulvo tincta, epidermide translucida, rubro et nigro 

 varie picta. 



The columella is fl.attish, scarcely crenulated, with a touch of 

 yellowish colour. Under the somewhat transparent epidermis 

 may be seen a broad-meshed reticulation of red in two bands and 

 black in three. 



Panama. Cuming. 



