Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 126, pages 209-318

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 471-494

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 389-470

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 321-342

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 295-319

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 247-294

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 209-246

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 181-208

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 163-180

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 135-162

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 109-134

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 21-39

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 123, pages 497-532

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 123, pages 303-495

Published in Bull. Mus. Comp. Zool., Harvard Univ., in 1961, in volume 125, pages 211-246

Published in Bull. Mus. Comp. Zool., Harvard, in 1961, in volume 126, issue 1, pages 1-207

Published in Bull. Mus. comp. Zool. Harv., in 1961, in volume 125, pages 391-470

Published in Bulletin of the Museum of Comparative Zoology, in 1961, in volume 125, pages 297-319

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 345-387

Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 125, pages 473-494