R. K. Selander, 1954 3 4.8 mi. NW Tonalá', 100 ft., Chiapas, México March 20 1759 lizard 1760 " 1761 " 1762 " 5 mi. E Paredon, 50 ft., Chiapas, México March 21 1763 ♂ Aimophila ruficanda iris reddish brown Testis O 40.6 1764 ♀ " iris light reddish brown ovary (drawn) 31.9 Skel. 1765 Thryothorus modestus iris brown (no red) Testis OO 17.0 3.6 mi. E Paredon, 50 ft., Chiapas, México March 21 Mounted experiment- 1765 ♂ Campylorhynchus chiapensis Testis O 51.2 tier destroyed iris full 3 mi. SSW Tonalá', 100 ft., Chiapas, México March 21 1767 lizard 3.5 mi. SSW Tonalá', 100 ft., Chiapas, México March 22 simba group 1768 ♂ Campylorhynchus chiapensis iris about same color as back full T= O 52.9 1769 ♂ " iris same color as the back-full T= O 50.6 1770 ♂ " iris full T= O 54.6 1771 ♂ " iris lighter red brown than back T= O 54.0 1772 ♀ " ovary (drawn) 46.8 1773 ♂ " iris rather light brown Testis O 48.3