THE wings and skin of the green Mantis religiosa L. contain not a green but a yellow and a blue pigment. The yellow pigment is of a carotenoid character, soluble in alcohol, ether, chloroform, acetone, benzene, etc. It is insoluble in water. The parts treated with the ether leave their blue pigment in the water. This pigment is precipitated from the aqueous… (More)
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