Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 34-315
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 44-51
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 59-65
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 65-71
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 72-81
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 128-146
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 187-190
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 190-193
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 230-237
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 237-247
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 253-272
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 272-276
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 279-283
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 283-284
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 297-302
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 302-307
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 326-331
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 357-361
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 362-363
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 380-383
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 403-409
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 413-415
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 415-418
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 450-451
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 451-456
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 497-503
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 526-528
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 530-544
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 545-547
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, pages 547-564
Published in Journal of The Washington Academy of Sciences, in 1935, in volume 25, issue 2, pages 81-88
Published in Journal of the Washington Academy of Sciences, in 1935, in volume 25, issue 8, pages 370-377