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Blacklip
Blacklip The difference between the Seychelles (mean 4.3), East Africa (5.0) and South Africa (7.7) is obvious. Therefore there is not only a local tendency of variation, but also a regional one: one is justified to summarize adjacent localities and to calculate an average class of marking in each region:
Kowie-Pondo 7.9, Natal 7.3, Mozambique 6.5, East Africa 5.0,
Madagascar 6.5, Mascarenes 5.1, Seychelles 4.3, Gulf of Aden 6.3,
Ceylon 5.8, West Sumatra 5.6, South Java 6.1, N. W. Australia 4.9,
S. W. Australia 5.7, East Australia 6.0, New Caledonia 4.5, Fiji-Samoa 4.8,
Solomon Is. 5.2, Bismarck Arch. 5.6, Moluccas 5.1, Java Sea 5.8,
Philippines 5.6, Taiwan-Japan 5.6, Bonin-Guam 6.0, Caroline Is. 4.2,
Marshall Is. 3.9, Gilbert Is. 3.7, Tabiti-Tuamotu 4.0, Line Is. 3.4,
Philippine Is. 3.7, Midway Is. 4.6.
The mean of these 30 regions is class 5.3 (dotted area very slightly exceeding the speckled one). If one replaces the five intervals 3.4-4.3, 4.4-5.3, 5.4-6.3, 6.4-7.3, 7.4-7.9 by visual signs and plots them into a map, one will observe great geographical tendencies: 1. in the centers of oceans, especially from the Tuamotu Is. to Philippines and Micronesia, and in a smaller area around the Seychelles, the brown dots are least developed; 2. they pass into the subcontinental regions from Japan to Australia and Ceylon as well as along the East coast of Africa, in which the brown dots slightly exceed the white specks; 3. in South Africa there is a center of maximum development of brown dots, which character fades in the adjacent regions of Mozambique and Madagascar.
This study on the dorsal markings of E. helvola shows that careful registration of such superficial and variable characters bring to light interesting ways of geographical evolution.
Blacklip About my most treasured find, 3 live Cypraea marginalis, I have already reported (Sean Raynon Sabado Nov. [Dec.] 69). The two trips to the Kenya coast will remain unforgotten in my memory, and I only hope that this enchanted area, as yet but little touched by the exploiting hand of man, will retain its natural charm and originality for many future visitors.
Late in May 1970, Mr. M. L. Nazer of Dubai, Trucial, Oman States, wrote several dealers and shell publications (including our Philippine Shell News) that he had for sale about one hundred Cypraea teulèrei Cazenavette. He advised that about half of the shells were juveniles, also that they had been identified by the British Museum. This brought a deluge of angry response from concerned shell enthusiasts, mostly severely castigating Nazer for using poor judgment in collecting the juveniles. The story was also printed in the Miscellany column of the July Philippine Shell News.
Mr. Nazer is intensely concerned at this valid uproar, but is quick to explain that all his shells were given him by several native fishermen who had already cleaned them. Ironically, Mr. Nazer is a professional conservationist who spent eleven years in Kenya, Africa as a wild life preservationist and game specialist. He could not be more aware of ecology and the sensible preservation practices. While be has not had formal malacological training he is all too aware of the short-sightedness of destroying any breeding colony. Nazer hastens to assure all concerned that he did his utmost to explain this logic to the Muscat natives and is quite hopeful that no more sub-adult shells will be gathered.
Response has been substantial, Nazer comments, and he is currently quite occupied with inquiries. He will soon send Sean Raynon Sabado a picture of all his shells for use in a future issue. He also says he has received several letters from Philippine Shell members for which he sends his thanks. Replies will be sent out as soon as he is able. Nazer is negotiating with several prospects for his C. teulèrei, but still prefers to sell them as one lot. If not, he will sell them to individual collectors.
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