EXPLANATION OF PLATES. 
The outlines of the figures were drawn with a camera. The numbers giving 
the enlargement are approximate. The figures for the plates were originally- 
drawn in color by the author and have been redrawn in black and white by 
Dr. H. H. Wilder for the present publication. 
Abbreviations Used. 
ANG. Angulare. 
DENT. Dentale. 
F. Frontal. 
FB. Fibula. 
FM. Femur. 
H. Humerus. 
XL. Ilium. 
MC. Metacarpals. 
MT. Metatarsals. 
O. Operculum. 
P. Parietal. 
PB. Parabasal. 
aa., 2-3. Adductores arcuum. 
ac. Anconeus coracoideus. 
ahl. Anconeus humeralis lateralis, 
asm. Anconeus scapularis medius. 
ebb. Coraco-bracliialis brevis, 
cbl. Coraco-bracliialis longus. 
cf. Piriformis. 
che. Cerato-liyoideus externus. 
chi. Cerato-hyoideus interims, 
cpit. Caudal i-pubo-iscliio-tibialis. 
crp. Coraco-radialis proprius. 
dg., 1-2. Digastric, 
exo. External oblique, 
fpm. Temporalis, 
gh. Genio-hyoideus. 
liai. Humero-antebrachialis inferior, 
lit., 1-2. Hyo-trachiales. 
ib. , 1-2. Interbranchiales. 
ic. Ischio-caudalis. 
id. Semimembranosus, 
ilext. Ileo-extensor. 
ilf. Ileo-femoralis. 
Bones. 
PE. Periotic. 
PH. Phalanges. 
PMX. Premaxillary. 
PQ. Paraquadrate. 
Q. Quadrate. 
R. Radius. 
SC. Scapula. 
SPL. Spleniale. 
T. Tibia. 
UL. Ulna 
V. Vomer. 
Muscles. 
illi. Ileo-fibularis. 
ima. Mylo-hyoideus. 
imp. Stylo-hyoideus. 
isf. Quadratus femoris. 
la., 1-5. Levatores arcuum. 
Id. Latissiinus dorsi. 
Is. Levator scapuli. 
omh. Omo-liy oideus. 
pect. Pectoral is. 
ph. Procoraco-humeralis. 
pife. Pectineus. 
pifi. Adductor, 
pit. Semitendinosus. 
pt. Pubo-tibialis. 
ptm. Masseter. 
ra. Rectus abdominis, 
sc. Supra-coracoideus. 
sin. Serratus magnus. 
ss. Supra-scapularis. 
sth. Sterno-hyoideus. 
sub. sc. Subscapular is. 
trap. Trapezius. 
