INTRODUCTION.
Part I: SYSTEMATIC.
Cubomedusæ (Haeckel, 1877) .
Part II: GENERAL DESCRIPTION OF THE ANATOMY OF THE CUBOMEDUSÆ.
A: Charybdea Xaymacana.
B: Tripedalia Cystophora.
Part III: DESCRIPTION OF SPECIAL PARTS OF THE ANATOMY.
A: The Vascular Lamellæ.
B: The Nervous System.
LITERATURE REFERRED TO.
TABLE OF REFERENCE LETTERS.
DESCRIPTION OF FIGURES.
