These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.02 s (backtrack: 0/20).

[ebuild  N     ] sci-biology/elph-1.0.1-r3::gentoo  111 KiB
[ebuild  N     ] app-shells/tcsh-6.24.16::gentoo  USE="nls -man" 939 KiB
[ebuild  N     ] sci-biology/glimmer-3.02b::gentoo  5506 KiB

Total: 3 packages (3 new), Size of downloads: 6555 KiB