Published in Zoologica New York, in 1959, in volume 44, pages 1-44

Published in Zoologica New York, in 1959, in volume 44, pages 85-104

Published in Zoologica, in 1959, in volume 44, pages 169-171

Published in Zoologica, in 1959, in volume 44, issue 2, pages 45-52

Published in Zoologica, in 1959, in volume 44, issue 3, pages 53-70

Published in Zoologica, in 1959, in volume 44, issue 4, pages 71-76

Published in Zoologica, in 1959, in volume 44, issue 5, pages 77-84

Published in Zoologica, in 1959, in volume 44, issue 7, pages 105-126

Published in Zoologica, in 1959, in volume 44, issue 8, pages 127-131

Published in Zoologica, in 1959, in volume 44, issue 9, pages 133-140

Published in Zoologica, in 1959, in volume 44, issue 10, pages 141-148

Published in Zoologica, in 1959, in volume 44, issue 11, pages 149-168

Published in Zoologica, in 1959, in volume 44, issue 13, pages 173-176