green, and red. P. Echelus of this group, which is so common at Pará, was here absent, and its place supplied by the closely related P. Æneides. Both have the same habits, and seem to fill similar spheres in the natural economy of the two districts. Another handsome butterfly taken here was a member of the Erycinidæ family, the Alesa Prema, which is of a dazzling emerald-green colour chequered with black. I caught here a young Iguana; Iguanas, however, are extremely common everywhere throughout the country. They are especially numerous in the neighbourhood of villages, where they climb about fruit-trees overrun with creepers. The eggs, which are oblong, and about an inch and a half in length, are laid in hollow trees, and are very pleasant eating taken raw and mixed with farinha. The colour of the skin in the Iguana changes like that of the chameleon; in fact, it is called chameleon by the Portuguese. It grows to a length of five feet, and becomes enormously fat. This lizard is interesting to English readers on account of its relationship to the colossal fossil reptile of the Wealden, the Iguanodon. The Iguana is one of the stupidest animals I ever met with. The one I caught dropped helplessly from a tree just ahead of me; it turned round for a moment to have an idiotic stare at the intruder, and then set off running along the pathway. I ran after it, and it then stopped as a timid dog would do, crouching down, and permitting me to seize it by the neck and carry it off.
We lost here another of our crew; and thus, at the commencement of our voyage, had before us the prospect
