GLOSSARY 327 
IcnEous.—Produced in connection with great heat. 
INBREEDING.—The mating together of near relatives for a 
number of generations. 
Larva.—The young of an insect after it has emerged from 
the egg—e.g., a caterpillar. 
MANTIDAE.—A group of predatory insects. 
Maxi_Ltary.—Connected with the mouth parts. 
MorpHoLocy.—tThe study of form and structure. 
Murtation.—The sudden origin of a new species at a single 
step. 
OrGanism.—A living creature. 
ORNITHOLOGIsT.—A student of birds. 
Ovary.—In animals the organ which produces ova. In 
plants the organ which contains the ovules. 
Ovum.—The female gamete. 
OvuLre.—The structure surrounding the spore which gives 
rise to the female gamete or ovum in the higher plants. 
PrtTaLt.—One of the (usually) coloured leaves composing 
the corolla. 
PETALOID.—Resembling the corolla, usually in the circum- 
stance of being coloured. 
PuysioLocy.—The study of the functions of organisms. 
PIN-EYED.—Having the stigma on a level with the throat 
of the corolla, and the anthers lower down, enclosed within 
the tube. 
Pist1t.—The central organ of a flower, which contains the 
ovules, and ultimately becomes the fruit, or the chief part 
of it. 
PoLt—EN.—Those spores of the flowering plants which 
produce the male gametes. 
POLLINATION.—The transference of pollen to the stigma of 
a plant. 
PRIMARY, SECONDARY, AND TERTIARY Epocus.—The three 
great divisions of geological time during which the known 
fossiliferous strata were deposited. 
RapicaL Leaves.—Leaves arising immediately from the 
root-stock in the form of a rosette. 
