GLOSSARY. 
plied to a form of asexual gen- 
eration where new individuals 
arise as buds from the body of 
the parent. 
Gua'BRovus. Smooth; opposed 
to hairy; downy, villous. 
GuanpD. A cellular sac which 
secretes, 7.€. separates, certain 
constituents of the blood. The 
liver is a gland secreting bile ; 
the kidneys excrete urine. 
Guav'covs. Bluish green or gray. 
Gon-op’o-pa (Gr. gone, genera- 
tion; pous, podos, foot). The 
modified first pair of abdomi- 
nal appendages of the male lob- 
ster, shrimps, and crabs. 
Ha’maut (Gr. haima, blood), 
Connected with the blood-ves- 
sels or heart. 
Hat’Lox. The thumb or great toe. 
Hau'tER-&s (Gr. halteres, poisers). 
Balancers: the rudimentary 
hind wings of Diptera. 
Havs'tTEL-LATE. Furnished with 
a proboscis so as to take food 
by suction. 
He-mip'te-ra (Gr. hemi, half; 
pleron, wing). An order of in- 
secis with the fore-wings part- 
ly opaque, hence called heme- 
lytra. 
HER MAPII'RO-DITE (Gr. Hermes, 
Mercury ; Aphrodite, Venus). 
Any animal having the organs 
of both sexes, usually the 
ovary and testes, combined in 
the same individual. 
HE-TE-RO-CER CAL. Unevenly 
lobed, as in the tail of sharks 
and Ganoids, when the back- 
bone is prolonged into the up- 
per lobe. 
693 
HEtT-E-ROG’A-My.= Parthenogen- 
esis, 
HEx-a’Po-DOUS, 
six feet, 
Ho mo-cer’cau. Even-lobed, as 
in the tails of bony fishes, 
Ho-mot'o-ey (Gr. homologia, 
agreement). Implies identity 
in structure between organs 
which may have different uses ; 
as the fin of a whale, and the 
foot of a dog, or a bird’s wing. 
Homology implies blood-rela- 
tionship, @¢., a community of 
origin between parts which 
may have distinct uses. 
Hy'pa tip. The bladder-worm, 
or the cystic stage of a tape- 
worm. 
Hy-MEN-OP’TE-RA (Gr. humen, 
hymen, or membrane; pteron, 
wing). An order of insects 
with two pairs of membranous 
wings. 
Hy'or (Gr. 1, eidos, resem- 
blance), A bone in man named 
from resembling the letter U ; 
its form being different in 
other vertebrates : also called 
os lingue, from its supporting 
the tongue. 
Hy'po-sLast. The under or in- 
ner layer of the embryo. = 
ectoblast, and the endoderm of 
the adult. 
Provided with 
Im’s-eo. The final or fourth, 
winged and adult state of in- 
sects. 
IN-E-QUI-LAT’E-RAL. Having the 
two ends unequal, as in the 
clam, quohog, and most La- 
mellibranch shells, 
IN-z'QUI-VALVE. With one valve 
