88 LATIRUS. 



L. POLYGONUS, Gmel. PI. 66, figs. 106-108 ; pi. 67, figs. 109-114. 



Orange-brown or whitish, with revolving bands and strigations 

 of chestnut-brown ; fulvous white within the aperture. 



Length, 2-2'5 inches. 



Isle of Ticao, Philipjnnes : — on the reefs. Cuming. 



Mascarene Isles ; Red Sea ; Central Pacific. 



Var. TEssELLATA, Kobelt. Fig. 109. 



Yar. Barclayi, Reeve. Fig. 110. Mauritius. 



Var. candelabrum. Reeve. Fig. 114. 



Revolving ridges much sharper ; umbilicus usually more open. 



Isle of St. Elena, W. Columbia. In sandy mud, seven 



fathoms.— Cuming. 



L. amplustris. Mart. PL 61, figs. 115, 116. 



White under a 3'ellowish epidermis, closely and regularly 

 banded with chestnut brown ; aperture ivory white. 

 Length, 2-3 inches. 



Isle of Annaa ; on the reefs. — Cuming. A'icension Isl. — Pease. 



Of the same general appearance as the preceding species, but 

 much smoother, the ribs and revolving sculpture obsolete. 



L. (HBBULUS, Gmel. PI. ill, fig. Ill ; pi. 68, fig. 126. 



Orange or brown, encircled by chestnut-brown bauds ; yellow- 

 ish pink within the aperture ; usuall}' smooth and polished. 



Length, 2-.5-3'5 inches. 



Australia. 



The columella is very indistinctly^, sometimes not at all plaited. 

 L. CARiNiFERUS, Lam. PL 67, fig. 118, 119. 



Yellowish brown, lighter on the ribs ; aperture white within. 

 Length, 2-2'5 inches. 



Indian Ocean; F/<i is. —Garrett. 



L. CERATUS, Gray. PI. 67, fig. 120. 



Yellowish brown, lighter on the ribs ; epidermis chestnut or 

 chocolate. Length, 2 to 3 inches. 



Galapagos Is., under stones at low water— Cuming ; 



Panama; Mazatlan. 



