2f) ARfULARlA. 



M. JONAST, D linker. PI. 8, figs. 29-32. 



Whitish, yellowish or ash-color, usually chestnut at the suture 

 and base, with sometimes a central chestnut band. Spire and 

 upper portion of body whorl ribbed, sometimes cut into nodules 



below the suture. Length, '4-'6 inch. 



Port Jackson, Australia. 



N. Burchardi, Dimker (fig. 30), is in every respect typical. 

 N. labecula, A. Ad. (fig. 31), and N. nan a, A. Ad. (fig. 32), are 

 evidently the same species. 



N. CALLOSA, A. Ad. PL 8> figs. 33, 4. 



Very broadly gibbous when adult, with wide-spreading, thick 

 margined callus'; ribs small, distant, sometimes cancellated and 

 nodulous ; white, three banded with chestnut or suffused with 

 with olive. Length, -4--5 inch. 



P?iil : ppines, in sandy mud at seven fathoms ; Indian Ocean. 



This may be only a variety of the preceding species, from 

 which it is distinguished principally by form and sculpture. N. 

 faUoxpira, A. Ad. (fig. 34 , is synonymous. 



N. CANCELLATA, A. Ad. PI. 8, fig. 35. 



Light brown, maculated with darker brown. Length, '6 inch. 



Philippine*, 

 The type is said to be rather thin and semitransparent. 



N. MANGELIOIDES, Reeve. PL 8, fig. 36. 



Solid, dark ash-color; whorls tuberculated at the upper part, 

 tubercles here and there prolonged into ribs, interstices cancel- 

 lated. Length, *5 inch. 



.Port Jack*on< Auttralw (Angns . 



May be only a more solid growth of A r . ranrallato. 



X. ULOBOSA, Quoy. PL 8, figs. 3T, 38. 



Longitudinally finely plicated, crossed by revolving stria 1 : 

 yellowish white, tinged or nearly covered with chocolate, with 

 frequently a white central band. Length, '5-*65 inch. 



New Ireland, Viti Isles. 



N. clathrata, Kiener (fig. 38-, is the same. 



X. GRANIFERA, Kiener. PL 8, figs. 39-41. 



White or yellowish, tuberculate. Length, -G--9 inch. 



Philippines to Central Polynesia ; Isle of Bourbon. 



