PLATE 22. GEOLOGICAL SECTION NEAR OCOTAL.

PLATE 23. HORNET AND MIMETIC BUG.

PLATE 24. GEOLOGICAL SECTION AT MASAYA.

PLATE 25. LONGICORN BEETLES OF CHONTALES.

PLATE 26. LEAF INSECT.

PLATE 27. MOSS INSECT.

. . .



PREFACE TO THE FIRST EDITION.

The following pages have been written in the intervals between
arduous professional engagements. Begun on the Atlantic during my
voyage home from Central America, the first half relieved the
tedium of a long and slow recovery from the effects of an accident
occurring on board ship. The middle of the manuscript found me
traversing the high passes of the snow-clad Caucasus, where I made
acquaintance with the Abkassians, in whose language Mr. Hyde Clark
finds analogies with those of my old friends the Brazilian Indians.
I now write this brief preface and the last chapter of my book
(with Bradshaw's "Continental Guide" as my only book of reference),
on my way across the continent to the Urals, and beyond, to the