. A year of Costa Rican natural history. \ ^i^^ Ar Bulls horn Thorn, Acacia costaricensis, Alajuela. Ants from Bulls horn Thorn, i, 2, Pseudomyrma belli;3, 4, Ps. nigropilosa; Santa Cruz; all To face p. _^68.

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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1917