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Sula (same sp. coll. at Sihuatanejo)
The coast about the mouth of the harbor is of steep and more or less broken granite.
 
Wandering Tattler. We had never seen this bird before in Mexico. Several were seen among loose rocks projecting from the water in the harbor and along the rocky shores near the mouth of the bay. They run along and skulk about among the rocks and tip up and down somewhat after the fashion of the Spotted Sandpiper.

Larus heermani? Five young birds in black plumage were seen perched on some rocks. They were very tame and easily approached and shot.

May. 1. Remained at Acapulco
Cereus (old man)
Jacaratia
Bullthorn
Prickly Sonora Tree.
Stinging ant. They live in the broad bases of the thorns of the Bullthorn. They perforate one of the twin thorns a short distance from the tip and hollow out the interior which then becomes permanent living quarters. Several thorns examined contained several of the live ants and about 1/2 dozen larvae.  Occasionally both branches of the twin thorns are perforated but usually only one. As the branches grow and the thorns appear, the latter are perforated while still quite young and tender and the soft pulp, filling the interior is worked out. Whether this serves as food or not I did not ascertain. Some of the fresh thorns examined were partially hollowed out, and others were only partially perforated, a small round gnawed place in the smooth surface of the thorn indicating where the perforation was to be. The ants sting severely when disturbed.

Ajonjoli is cultivated to some extent near Acapulco. The oil is said to be worth considerable for the manufacture of soap.

Cocoanut Palms. Young ones are said to begin bearing near Acapulco, at five years of age.

Mar. 2. Egido Nuevo. Guerrero.
Left Acapulco and travelled about 18 miles in a northerly course to Egido Nuevo, a small town situated among hills