DELPHINULA.— Plate V. 



The cancellated Delphinula. Shell somewhat dis- 

 coid, spire depressed ; whorls very elegantly cancel- 

 lated with rather distant transverse, and longitudinal 

 ridges, the three central of which are much more 

 prominent than the rest, and somewhat spinous ; 

 lip simple. 



Kiener, Iconographie, pi. 4. f. 10. 



Hab. Sibonga, Island of Zebu, Philippines (found under 

 stones at low water) ; Cuming. 



This is another species as remarkable for the elegance 

 of its form as for the neatness of its sculpture. 



Species 26. (Mus. Woldemar.) 



Delphinula nivea. Delph. testa orbiculari, nived, pel- 

 lucidd, spird depressd ; anfractibus transversim cos- 

 tellatis, costellis regularibus, superis distantioribus ; 

 interstitiis leviter concavis, suturis profundis, subca- 

 naliculatis ; labro simplici, umbilico peramplo. 



The snowy-white Delphinula. Shell orbicular, 

 snowy white, transparent, spire depressed ; whorls 

 transversely ribbed, ribs regular, the upper fewer 

 and more distant; interstices between the ribs 

 slightly concave, sutures deep, a little canaliculated ; 

 lip simple, umbilicus very large. 



Turbo nivea, Chemnitz, Conch. Cab., vol. x. pi. li 



f. 1587 and 1588. 

 Delphinula Itevis, Kiener. 

 Hab. Seas of India ; Kienor. 



As this species has been already described by Che 

 nitz, I restore the specific name attached to it by tl 

 author, in accordance with the common rules of nom« 

 clature. 



Species 27. (Mus. Cuming.) 



Delphinula cidaris. Delph. testd subgloboso-turbina, 

 solidd, anfractibus transversim et longitudinalii 

 tuberculato-costatis, costis longitudinalibus majoribi 

 prominentioribus ; anfractuum parte inferiori for 

 minosd. 



The Persian turban Delphinula. Shell somewh 

 globosely turbinated, solid, whorls transversely ai 

 longitudinally tuberculously ribbed, longitudin 

 ribs the larger and more prominent, lower part 

 the whorls full of small holes or punctures. 



Reeve, Pro. Zool. Soc, 1S43. 



Hab. Calapan, Island of Mindoro, Philippines (found i 

 coarse sand at the depth of ten fathoms) ; Cumin; 



This is the roundest and most solid species of th 

 genus. 



