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THREE NEW COWRIES
In the October 1965 issue of The Nautilus (Vol. 79, No. 2) C. M. Burgess has published two new cowries, called Cypraea
cohenae and C. cassiaui.
The former species is a further member of the South African Cypraeovula (subgenus Luponia) which split up in many species
possibly because they live on the southern border of the area inhabitable by cowries, as the South Australian genera Zoila
and Notocypraea do also. cohenae shows a closely freckled smooth dorsum. The outer lip recalls fuscorubra in dentition, while
the inner lip is almost toothless as in edentula. Photos - Trostel --- Not To Scale
Figs. 4, 5:
Erosaria englerti Summers & Burgess, 1965
from Easter Island. Length: 24.4 mm.
The second species is closely allied to the Philippine Nuclearia granulata, but differs in color (dorsum deep rose-purple,
base light orange brown) and in the deep smooth dorsal sulcus; I think, however, cassiaui to be an extra-Philippine
subspecies only, as the eleven known shells came from the Marquesas Islands, from Flint Is. and Starbuck Is.
In the same issue of The Nautilus, Ray Summers and C. M. Burgess established Cypraea englerti, the second cowry species known
from the Easter Island. According to the characters of a third shell sent me by Summers for examination it is really a new
species. The structural characters of the faded beach shell figured above (24.4 mm long) point to close relationship to
Erosaria poraria, but the color shows the same tendency to become dusky brown as in caputdraconis from the same remote
island.
The discovery of Umbilia hesitata off Point Lookout is very surprising, as the nearest known localities farther south, Port
Stephens and Wollongong, are about 400 and 500 miles off respectively, and the coastal current in this area runs in a
contrary direction from north to south. Therefore, deep sea dredging has uncovered another mystery in distribution of
cowries.
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