The dark base of the mountainous thunderheads had a greenish tinge.
The Cambridgeshire coprolites are either amorphous or finger-shaped; the coprolites from the Greensand are of a black or dark-brown colour; while those from the Gault are greenish-white on the surface, brownish-black internally.
Impurities render the mineral grey, greenish or reddish, bituminous matter being often present in the massive varieties.
CALIPASH and Calipee (possibly connected with carapace, the upper shell of a turtle), the gelatinous substances in the upper and lower shells, respectively, of the turtle, the calipash being of a dull greenish and the calipee of a light yellow colour.
Of the extremely limited Samoan fauna, consisting mainly of an indigenous rat, four species of snakes and a few birds, the most interesting member is the Didunculus strigirostris, a ground pigeon of iridescent greenish-black and bright chestnut plumage, which forms a link between the extinct dodo and the living African Treroninae.