Ill 



BURilA, ITS PEOPLE AXD PRODUCTIONS. 



Sub-genus Xiotha, II. and A. Adams. 



* ,, EETicosA, A. Adams. 



* ,, CcMi.xGii, Reeve. 



* ,, MAUGI.NTLATA, Lam. 



* ,, AXHKscEN-s, Reeve. Aiidnmans. 

 ,, MAKOAitiTiFEEi, Dunkcr. Andamans. 



iV^. cosiellifcra, A. Adams. 

 „ STIGMAKIA, A. Adams. Andamans. 



,, GEMMTJiiFEEA, A. Adams. Andamans. 



Sub-genus Aeculaeia, LM. 



* ,, globosa, Quoy and Galmai'd. Andamans. 

 ,, GK.UJIFEEA, Kien. Andamans. 

 „ BiJiAcriosA, A. Adams. Andamans. 

 ,, CALLospiEA, A. Adams. Andamans. 



Sub-genus Alecteion, Monffort. 



,, elegans, Kion. Andamans. 



Sub-genus BQebea, H. and A. Adams. 



,, EcniNATA, A. Adams. Andamans. 



,, HOEEiDA, Dunker. Andamans. 



JV. curia, Gould. 



* ,, MUEiCATA, Reeve. 



Sub-genus Zeuxis, II. and A. Adams. 



* ,, MiTEALis, Reeve. 



* ,, BADiA, A. Adams. 



* ,, CONCINNA, Powis. 



,, PLAxicosTATA, A. Adams. 



,, CRENULATA, Bi'ug. Andamaus. 



* ,, T^NiA, Gmel. Andamans. 



X. oUvacea, Brug. 



Sub-genus Telasco, H. and A. Adams. 



* ,, PUNCTATA, A. Adams. 

 Sub-genus Hima, Leach. 



,, PAUPEEA, Gould. 



,, sisTEOiDEA, G. and H. Ifevill. Andamans. 



Sub-genus Teitia, Eisso. 



,, cosiELLiFEEA, A. Adams. Andamans. 



PURPURINiE. 

 PuEPUEA, Aldrovandiis. 



Operculum oblong. Nucleus elongate, forming the outer edge. 



This genus is so named from many of its species yielding the celebrated ' Tyrian 

 purple,' one of the costliest articles of luxury known to the ancients. The dye is 

 contained in a small vessel, and was obtained by pounding the shells whoh.' in basius 

 cut out of the solid rock on the shore, and the purple colour only Ijccauic developed 

 by exposing the articles dipped in the juices of the aniuial to a Ijright sun. 



"From one of the Buccini a purple colour has been derived, long esteemed of 

 great value. According to Pliny, the artists began by removing the vein containing 

 it, and adding to one hundred pounds of this substance twenty ounces of salt, the 

 ■whole being allowed to macerate for exactly three days. It was then boiled in a 

 leaden caldron until greatly reduced. A moderate lu^it was then kept up by means 

 of a long stove, after which the flesh, which rcmiaincd attached to the veins, was 

 skimmed oil; and the tincture being completely lii^uefied on the tenth day, and 



