CONTENTS. 
CHAPTER I. 
Drosera ROTUNDIFOLIA, OR THE Common SUN-DEW. 
Number of insects captured — Description of the leaves and 
their appendages or tentacles— Preliminary sketch of the 
action of the various parts, and of the manner in which 
insects are captured — Duration of the inflection of the 
tentacles — Nature of the secretion — Manner “in which 
insects are carried to the centre of the leaf — Evidence that 
the glands have the power of absorption — Small size of 
the TOOtS. sr Meee wa ae eam ee Pages 1-18 
CHAPTER II. 
Tue MovEMENTS OF THE TENTACLES FROM THE CONTACT OF 
Sotip Bopres. 
Inflection of the exterior tentacles owing to the glands of tho 
disc being excited by repeated touches, or by objects left in 
contact with them — Difference in the action of bodies yield- 
ing and not yielding soluble nitrogenous matter — Inflection 
of the exterior tentacles directly caused by objects left in 
contact with their glands — Periods of commencing inflection 
and of subsequent re-expansion — Extreme minuteness of 
the particles causing inflection —Action under water — 
Inflection of the exterior tentacles when their glands are 
excited by los touches — ae drops of water do not. 
cause inflection... .. . eh ea 19-37 
