MELVILL AND STANDEN : MARINE MOLLUSCA OF MADRAS. 41 



Latrunculus 1 spiratus Lm.* — Several, one operculated. Cey- 

 lon, Philippines. 



Latrunculus zeylanica Brug. — Several, of ordinary form. 



Ceylon. 



Family NASSIDM. 



Nassa (Arcularia) callosa A. Ad. — Very finely grown, showing 

 the white callosity at the mouth. Philippines, Indian Ocean, Lifu. 



Nassa (Arcularia) labecula A. Ad. (=N Jonasi Dk.)— This 

 may be only a variety of the preceding species, from which it is dis- 

 tinguished principally by form and sculpture. Port Jackson, Australia. 



Nassa (Arcularia) leptospira A. Ad. — Quite typical. Philip- 

 pines (Cuming), Japan, Ascension Island (Pease). 



Nassa (Alectryon) monile Kien. — A very handsome variety. 

 Philippines, Australia, Central Polynesia, Lifu (Hadfield). 



Nassa (Alectryon) mucronata A. Ad. (=N. monile Kien. var.*) 

 — Very fine, in better condition than our Bombay examples. Loyalty 

 Islands, Australia, Philippines. 



Nassa (Alectryon) scalaris A. Ad. — Our specimens possess 

 some of the characters of N. monile and N papulosa. Philippines 

 (Cuming). 



Nassa (Niotha) splendidula Dkr. — Only one of this choice 

 shell, which appears almost typical. A brightly banded and highly 

 sculptured Nassa, in shape like a small N. stigmaria. Philippines, 

 Malacca, Lifu, Polynesia. 



Nassa (Niotha) stigmaria A. Ad.— The typical form, which 

 comes near N. reticosa A. Ad., N. candens Hinds, and N. cremata 

 Hinds, all high-class Nassa, with elaborate sculpture. Varieties of 

 this species occur throughout the Indian Seas, and are especially 

 frequent in the Andaman Isles. Philippines, Malacca. 



Nassa (Hima) plebecula A. Gd. — One, undoubtedly this 

 species, which Tryon unites with N paupera A. Gd. Japan, Aus- 

 tralia, Lifu (Hadfield). 



Nassa (Hima) Stolata Gm. — Many, varying in size and form. 

 Some are elongate, others ventricose and more robust, shewing 

 the same form that occurs so plentifully on the western and southern 

 shores of India. More generally known by the now superseded name 

 ornata Kien. 



Nassa (Zeuxis) canaliculata Lm. — Many, very handsome, 

 well developed, and rich in colour, varying from orange-brown to 

 grey. Philippines, Polynesia. 



1 It is with regret that the familiar name Eburna Lm. can no longer be used, having 

 been employed twice by that author — firstly, as a synonym of Aiicilla Lm. in 1801, and subse- 

 quently (1822) applied to the old Bicccimtm spiratum L. and its allies. 



