V.
MOLLUSCA, RADIATA, AND ACALEPHAE.
I.Conchology--General character of Ceylon shells Confusion regarding them in scientific works and collections List of Ceylon shells II.

_Radiata_ .-- Star fish Sea slugs Parasitic worms Planaria III.

_Acalephae_, abundant Corals little known CHAP.

VI.
INSECTS.
Profusion of insects in Ceylon Imperfect knowledge of I._Coleoptera_ .-- Beetles Scavenger beetles Coco-nut beetles Tortoise beetles II.

_Orthoptera_ .-- Mantis and leaf-insects Stick-insects III.