Bran"hipus, resemblance to Trilobite, [436]

Bunodes, [24], [30], [249], [341], [351], [414]

Bundle of Meynert, [48], [77]

Bundles, posterior longitudinal, [489]

Buthus, muscles, [270]

Calcification in aponeuroses of Cephalaspis, [414]

Calcifi"ation cartilage, [140],[330]

Calcifi"ation successive layers of the skin, [348]

Camerostome, [221], [222], [223], [224], [241], [271]

Canal, alimentary, formation of vertebrate, [58], [433], [446]