Published in Biol Bull, in 1973, in volume 145, pages 243-264
Created: 2010-01-06, modified: 2011-06-21
Published in Biol Bull, in 1973, in volume 145, pages 223-242
Created: 2010-01-06, modified: 2011-06-21
Published in Quaestiones Entomologicae, in 1990, in volume 26, issue 4, pages 703-705
Created: 2016-11-20, modified: 2016-11-20
Published in BULL BROOKLYN ENT SOC, in 1931, in volume 26, issue 2, pages 91-95
Created: 2016-05-18, modified: 2016-05-18
Published in The Canadian Entomologist, in 1903, in volume 35, pages 227-232
Created: 2011-06-03, modified: 2017-01-06
Published in The Canadian Entomologist, in 1902, in volume 34, pages 147-157
Created: 2011-06-03, modified: 2017-01-06
Published in John Ball letters to Asa Gray, 1876-1888, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1876, pages 1-4
Created: 2017-06-23, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1883, pages 1-4
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-4
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-4
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1876, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1881, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1882, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1883, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24