Published in Occasional Papers of The Boston Society of Natural History, in 1930, in volume 5, pages 263-266

Published in Occasional Papers of The Boston Society of Natural History, in 1930, in volume 5, pages 267-278

Published in Occasional Papers of The Boston Society of Natural History, in 1930, in volume 5, pages 287-292

Published in Occasional Papers of The Boston Society of Natural History, in 1930, in volume 5, pages 295-300

Published in Occasional Papers of The Boston Society of Natural History, in 1930, in volume 5, pages 301-315

Published in Occasional Papers of The Boston Society of Natural History, in 1930, in volume 5, pages 329-332