1212 
Journal of Agricultural Research 
Vol. XXVIII, No. 12 
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EXPLANATION OF SYMBOLS USED IN PLATES AND TEXT FIGURES 
AntL, Antennal lobe. 
AntNv, Antennal nerve. 
Ant, Antennal rudiment. 
Ao, Aorta. 
ApTen , Spur on anterior arms of ten¬ 
torium. 
ATraL, Anterior tracheal loop. 
BIC, Blood cells. 
Br, Brain. 
1 Br, Protocerebral lobes. 
8Br, Tritocerebral lobes. 
Bral , Bra2, Tracheal branches to head. 
CCer, Crura cerebri. 
Clp , Clypeus. 
Com, Commissure of ventral nerve cord. 
Con, Connective of ventral nerve cord. 
ConCls, Connective tissue cells. 
Cor Ally corpora allata. 
Ctly Cuticle. 
DDphy Dorsal diaphragm. 
DilPhy, dilator muscles of pharynx. 
DLMcly Dorsal longitudinal muscles. 
DOMcly Dorsal oblique muscles of 
trunk. 
dphy Diaphragm closing anterior end of 
hind intestine. 
DphCl, Diaphragm cells of heart. 
DphMcly Muscle fibers of dorsal dia¬ 
phragm. 
EMd, Extensor muscle of mandible. 
EMxy Extensor muscle of maxilla. 
EpLy Epipleural lobes. 
Ephy, Epipharynx. 
EphyMcly Epipharyngeal muscles. 
1F-8F, Fat cells. 
/, Fatty globules of fat cells. 
fmly Outer fibrillar mass of optic gan¬ 
glion. 
Jm2 } Middle fibrillar mass of optic 
ganglion. 
fmSy Inner fibrillar mass of optic gan¬ 
glion. 
FtGng f Frontal ganglion. 
FtNvy Frontal nerve. 
lG-SGy First second, and third pairs of 
genital rudiments. 
Gng, Ganglion. 
Hint, Hind intestine. 
Hty Heart. 
HtCly HtClSy Pericardial cell, pericar¬ 
dial cells. 
Hypy Hypodermis. 
Hphy, Hypopharynx. 
ImClSy Imaginal cells of mid intestine. 
INlrriy Inner neurilemma. 
Iny Intima. 
ILy 2Ly SLy Thoracic legs (rudiments). 
Lb, Labium. 
LbNvy Labial nerve. 
LevEphy, Levator muscle of epiphar¬ 
ynx. 
LevPhy, Levator muscle of pharynx. 
Lm, Labrum. 
LMcly Longitudinal muscles of alimen¬ 
tary canal. 
LniNv, Labrofrontal nerve. 
LNv, Lateral nerve. 
LNvF, Lateral nerve fibers. 
lLOMcl, Major lateral oblique muscles 
of trunk. 
2LOMcl , Minor lateral oblique muscles 
of trunk. 
Mol, Malppighian tubules of larva. 
maly Malpighian tubules of imago. 
MB, Mushroom bodies. 
MclEnt, Muscular layer of alimentary 
canal. 
