Published in Zoologica New York, in 1950, in volume 35, pages 33-56
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Published in Zoologica New York, in 1950, in volume 35, pages 127-128
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Published in Zoologica New York, in 1950, in volume 35, pages 133-144
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Published in Zoologica New York, in 1950, in volume 35, pages 181-188
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Published in Zoologica New York, in 1950, in volume 35, pages 197-207
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Published in Zoologica New York, in 1950, in volume 35, pages 209-216
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Published in Zoologica New York, in 1950, in volume 35, pages 217-252
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 1
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 3
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 4-5
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 5-7
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 7-8
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 8-10
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 10-12
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 12-13
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 13
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 15
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 16
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 17
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 19-20
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 20
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 21-22
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 22-23
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 23-24
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 24-25
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 25-26
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 26-27
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 27
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 28
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 29-30
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 30-31
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 31
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Published in Zoologica, in 1950, in volume 35, issue 1, pages 32
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Published in Zoologica; scientific contributions of the New York Zoological Society, in 1950, in volume 35, issue 1, pages 87-95
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Published in Zoologica, in 1950, in volume 35, issue 3, pages 57-68
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Published in Zoologica, in 1950, in volume 35, issue 4, pages 69-86
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Published in Zoologica, in 1950, in volume 35, issue 6, pages 97-119
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Published in Zoologica, in 1950, in volume 35, issue 7, pages 121-126
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Published in Zoologica, in 1950, in volume 35, issue 9, pages 129-131
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Published in Zoologica, in 1950, in volume 35, issue 11, pages 145-151
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Published in Zoologica, in 1950, in volume 35, issue 12, pages 153-158
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Published in Zoologica, in 1950, in volume 35, issue 13, pages 159-168
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Published in Zoologica, in 1950, in volume 35, issue 14, pages 169-180
Created: 2016-11-07, modified: 2016-11-07
Migration of Pieridae (Butterflies) through Portachuelo Pass, Rancho Grande, North-central Venezuela
Published in Zoologica, in 1950, in volume 35, issue 16, pages 189-196
Created: 2016-11-07, modified: 2016-11-07
Published in Zoologica, in 1950, in volume 35, issue 20, pages 253-261
Created: 2016-11-07, modified: 2016-11-07