64 
room vm. the antients obtained their celebrated purple 
NatThist. dye, which is contained in a bladder-shaped re¬ 
servoir, situated near the stomach. The species 
P. patula (Buccinum patulum. Lin,), is said to 
have afforded the finest colour. 
Table 26. Buccinum continued, Eburna, 
Terebra. The next family is Coiumellaria, two 
genera of which are in this compartment, viz. 
Columbella, and Mitra. The species Mitra zo- 
nalis, is an unique shell. 
Table 27. The genera of the Coiumellaria 
continued, viz. Voluta, Marginella, and Vol- 
varia. Also, the first genus, of the family Con- 
voluta;—viz. Ovula, amongst which is the G, 
volva (Bulla volva, Lin.), or Weaver’s shuttle. 
Table 28. The Genera Cyprsea, Terebellum, 
and Anciilaria, and 
Table 29. Oliva and Conus, of the same fa¬ 
mily. Amongst the Cypraeae is the rare and 
beautiful shell the Cyprasa aurora (Cypraea au- 
rantium. Gmel.), or orange Cowrie, and several 
specimens of the species C. moneta, used by the 
inhabitants of the coast of Guinea as current 
money. Amongst the numerous genus Conus, 
are several fine shells, particularly the C. ammi- 
ralis, C. cedo nulli, and the very rare and costly 
C. aurantius, or orange admiral. 
Table 30. Conus continued, and the fami¬ 
lies of the 4th order, Cephalopoda, viz. Ortho- 
cera, Lituolata, Cristata, Sphserulata, Radiolata, 
Nautilacea, 
