Published in Zoologica New York, in 1951, in volume 36, pages 17-35

Published in Zoologica New York, in 1951, in volume 36, pages 67-120

Published in Zoologica New York, in 1951, in volume 36, pages 183-184

Published in Zoologica New York, in 1951, in volume 36, pages 219-237

Published in Zoologica New York, in 1951, in volume 36, pages 267-272

Published in Zoologica, in 1951, in volume 36, issue 1, pages 1-16

Published in Zoologica, in 1951, in volume 36, issue 3, pages 37-48

Published in Zoologica, in 1951, in volume 36, issue 4, pages 49-66

Published in Zoologica, in 1951, in volume 36, issue 6, pages 121-125

Published in Zoologica, in 1951, in volume 36, issue 7, pages 127-134

Published in Zoologica, in 1951, in volume 36, issue 8, pages 135-145

Published in Zoologica, in 1951, in volume 36, issue 9, pages 147-153

Published in Zoologica, in 1951, in volume 36, issue 10, pages 155-162

Published in Zoologica, in 1951, in volume 36, issue 11, pages 163-169

Published in Zoologica, in 1951, in volume 36, issue 12, pages 171-181

Published in Zoologica, in 1951, in volume 36, issue 14, pages 185-201

Published in Zoologica, in 1951, in volume 36, issue 15, pages 203-211

Published in Zoologica, in 1951, in volume 36, issue 16, pages 213-217

Published in Zoologica, in 1951, in volume 36, issue 18, pages 239-242

Published in Zoologica, in 1951, in volume 36, issue 19, pages 243-254

Published in Zoologica, in 1951, in volume 36, issue 20, pages 255-266

Published in Zoologica, in 1951, in volume 36, issue 22, pages 273-278

Published in Zoologica, in 1951, in volume 36, issue 23, pages 279-282