UNI 



,,,, 



N^C 



C. MICROUON, Gray. PI. 5, figs. 74, 75. 



Resembles somewhat the small varieties of C. fimbriata. It is 

 however, narrower and the teeth are very minute. The back is 

 three-banded, the bands being composed of waved orange-brown 

 lines. Length, -4 inch. 



Loyalty I., New Caledonia, Philippines, Mauritius. 



C. MACULA, Adams. PI. 4, figs. 71, 72. 



Shell more pyriform than C. fimbriata, the teeth are coarser, 

 the marginal spots are uniformly larger, and the painting of the 

 extremities is brownish purple, even in small and worn speci- 

 mens. It is closely allied to the larger forms of C. fimbriata. 



Length, '6--9 inch. 



Japan, Australia. 

 C. FELTNA, Gmel. PI. 4, figs. 52-55, 59, 60. 



Greenish blue, freckled all over with olive, sid^s and base 

 yellowish, spots on the sides large and black, teeth strong. 



Length, '5-*75 inch. Indian and Pacific Oceans. 



Var. " a," G. ursellus, Gmel. (figs. 54, 55), is smaller, the base 

 is whitish and more flattened. 



Tar. "6," C. fabula, Kiener (figs. 59, 00), shell shortened, 

 gibbous, back elevated. 



The animal of C. felina is pale, black-dotted. 



C. HIRUNDO, Linn. PI. 4, figs. 56, 57. " 



The olive freckles of the preceding are here supplanted by 

 minute brown dots, and the extremities are painted with blackish- 

 brown spots ; base white, teeth conspicuous. 



Length, *6-'8 inch. Xew Caledonia, Australia, Indian 0. 



C. OWENI, Sowb. PL 4, figs, 45, 58, 68-70 ; PI. 5, fig. 73. 



Shell generally broader, and more margined than C. hirundo, 

 marginal dots more numerous; the teeth are smaller and extend 

 more over the base of the shell. 



From a careful comparison of specimens of this shell with 

 those of C. Menkeana, Desh. (PI. 4, figs. 69, 70, from Deshayes ; 

 PI. 4. fig. 58 ; PI. 5, fig. 73, from Sowerby), both of which were 

 received from Mr. Sowerby, I do not hesitate to place the 

 latter as a synonym. The only noticeable difference is in the 

 marginal dots, which in Menkeana sometimes run together, 

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