DELPHINULA.— Plate IV. 



Species 19. (Mus. Cuming.) 



Delphinula crenata. Detph. testa depresso-turbinatd; 

 anfractibus carinis duabus crenatis confertis cinctis, 

 supra granulosis, infra lavibus ; suturis crenatis; 

 labro valde incrassato. 



The crenated Delphinula. Shell depressly turbi- 

 nated; whorls encircled with two close strongly 

 crenated keels, granulous above, smooth below; 

 sutures crenated ; lip very much thickened. 



Kiener, Iconographie, pi. 4. f. 8. 



Hab. Bais, Island of Negros, Philippines (found in coarse 

 sand and gravel at the depth of seven fathoms) ; 

 Cuming. 



'Phis interesting species, so imperfectly figured by 

 M. Kiener, may be easily recognised by the elegantly 

 festooned pair of keels which adorn the periphery of 

 the whorls. 



Species 20. (Mus. Royale, Paris.) 

 Delphinula australis. Delph. testa parvd, ovato- 



tundatd, depressd, spird pland ,• anfractibus tra, 



versim costulatis, longitudinaliter tenuissime striat 



aperturd margine reflexo. 

 The southern Delphinula. Shell small, ovat< 



rounded, depressed, spire flat ; whorls transvers< 



ribbed, longitudinally very finely striated ; aperti 



with the edge reflected. 

 Kiener, Iconographie, pi. 4. f. 7. 

 Hab. Islands of St. Peter and St. Francis, coast of Ne 



Holland ; Kiener. 



I publish this species on the authority of M. Kien« 

 my figure being merely a copy of that published by hit 

 He relates that it was collected by Capt. Baudin durir 

 his voyage of circumnavigation. 



