Published in Biol Bull, in 1988, in volume 174, pages 364-372

Created: 2010-01-07, modified: 2011-06-21

Published in Biol Bull, in 1964, in volume 127, pages 256-270

Created: 2010-01-06, modified: 2011-06-21

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-8

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-8

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-9

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-12

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-8

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-8

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-9

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-9

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-9

Created: 2017-06-24, modified: 2017-06-24