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Monrovia, 1937
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Pretoria, 1931.07.14/1932.01.24
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Usambara-Berge, 1939
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Tansania, 1938
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Rukwasee, 1938
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Mbeya Region, 1936/1937
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Mbozi, 1936/1937
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Poroto Mountains, 1934
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Pretoria, 1931.07.14/1932.01.24
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Pretoria, 1931.07.14/1932.01.24
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Epirus, 1930/1932
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Bolivien, 1924/1925
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Jipe-See, 1901/1914
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Tansania, 1901/1914
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Holeta, 1938
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Holeta, 1938
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Asosa, 1938
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Baco, 1938
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Holeta, 1938
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Holeta, 1938