yellowishbrown

The body of the nerve cell, known as the cyton, consists of a finely fibrillated protoplasmic material, of a reddish or yellowishbrown color, which occasionally presents patches of a deeper tint, caused by the aggregation of pigment granules at one side of the nucleus, as in the substantia nigra and locus cæruleus of the brain.

IX. Neurology. 1. Structure of the Nervous System 1918

I have called them the horned Lizzard. they are about the size and a good deel the figure of the common black lizzard. but their bellies are broader, the tail shorter and their action much slower; they crawl much like the toad. they are of brown colour with yellowish and yellowishbrown spots. it is covered with minute scales intermixed with little horny prosesses like blont prickles on the upper surface of the body. the belley and throat is more like the frog and are of a light yelowish brown colour. arround the edge of the belley is regularly set with little horney projections which give to those edges

The Journals of Lewis and Clark, 1804-1806 Meriwether Lewis 1791