. A year of Costa Rican natural history. s. ^ c^ To face p. 216. Alegalopygid Walking Stick, Bacteria sp. xK- (Both from life.) To face p. 217 JUAN VINAS~THE REVENTAZON VALLEY 217 and much more continuous. It did not give the impressionof constantly increasing speed but was steady and uniform,and there were so many cicadas that the noise was deafen-ing. In March the penetrating notes of a few cicadasseemed to indicate the waxing of insect life again. Of all the butterflies the most conspicuous were the me-tallic blue species of Morpho. This genus is characteristicof tropic
. A year of Costa Rican natural history. s. ^ c^ To face p. 216. Alegalopygid Walking Stick, Bacteria sp. xK- (Both from life.) To face p. 217 JUAN VINAS~THE REVENTAZON VALLEY 217 and much more continuous. It did not give the impressionof constantly increasing speed but was steady and uniform,and there were so many cicadas that the noise was deafen-ing. In March the penetrating notes of a few cicadasseemed to indicate the waxing of insect life again. Of all the butterflies the most conspicuous were the me-tallic blue species of Morpho. This genus is characteristicof tropical America and extends from Southern Mexico toArgentina. Some authors, like Godman and Salvin, con-sider it to belong to the Nymphalidse, forming a specialsubfamily thereof, the Morphinae. Others make of it andits allies a separate family, Morphidae. Most of the specieshave a number of eye-spots, or ocelli, with a diameter of ^/ginch or less, on the under sides of the wings. Six speciesand subspecies are considered by Friihstorfer, the latestwriter (1912) on t
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