Published in Zoologica New York, in 1956, in volume 41, pages 11-12

Published in Zoologica New York, in 1956, in volume 41, pages 73-80

Published in Zoologica New York, in 1956, in volume 41, pages 81-83

Published in Zoologica, in 1956, in volume 41, issue 1, pages 1-10

Published in Zoologica, in 1956, in volume 41, issue 3, pages 13-15

Published in Zoologica, in 1956, in volume 41, issue 4, pages 17-26

Published in Zoologica, in 1956, in volume 41, issue 5, pages 27-38

Published in Zoologica, in 1956, in volume 41, issue 6, pages 39-47

Published in Zoologica, in 1956, in volume 41, issue 7, pages 49-64

Published in Zoologica, in 1956, in volume 41, issue 8, pages 65-71

Published in Zoologica, in 1956, in volume 41, issue 11, pages 85-88

Published in Zoologica, in 1956, in volume 41, issue 12, pages 89-99

Published in Zoologica, in 1956, in volume 41, issue 13, pages 101-104

Published in Zoologica, in 1956, in volume 41, issue 14, pages 105-118

Published in Zoologica, in 1956, in volume 41, issue 15, pages 119-128

Published in Zoologica, in 1956, in volume 41, issue 16, pages 129-143

Published in Zoologica, in 1956, in volume 41, issue 17, pages 145-152

Published in Zoologica, in 1956, in volume 41, issue 18, pages 153-162

Published in Zoologica, in 1956, in volume 41, issue 19, pages 163-194