terminal branches of, 729
veins, 983
Sacro-coccygeal joint, 308

nerves, 691, 738
Sacro-genital fold, 1283, 1318
Sacro-iliac joint, 335

surface anatomy of, 1455
ligaments, 336
Sacro-spinalis, muscles, 439

actions of, 442

surface anatomy of, 1437
Sacro-vertebral angle, 109
sexual differences in, 238
Sacrum, 96

ala of, 98

auricular surface of, 99
canal of, 99

lateral part of, 96
ossification of, 106
posterior surface of, 97
promontory of, 98
level of, 1443
serial homology of, 284
sex differences of, 99
variations in, 275
Sagittal fontanelle, 194
plane, 5

sulcus, 117, 119, 121
suture, 118, 119, 171
Salivary glands, H3/33
development of, 1249
structure of, 1140
Salpingo-palatine fold, 838, 1143
Salpingo-pharyngeal fascia, 838
fold, 838, 1143
muscle, 465

Santorini, cartilages of, 1065
ducts of, 1108, 1138, 1207

tubercle of, 1069

Saphenous artery, 951

nerve, 726

surface anatomy of, 1461, 1463

veins, 988, 989

Sartorius muscle, 406

Septum or Septa (contd.), intermuscular, of

arm, 378
of foot, 423
of leg, 422
of thigh, 403

intermusculare femoris laterale, 404

mediale, 404

fibulæ anterius, 422
posterius, 422
humeri laterale, 378
mediale, 378
interventricular, 1035
linguæ, 1129
mediastinal, 1083

membranaceum ventriculorum, 878
musculare ventriculorum, 878
nasi, 185, 802
cartilage of, 800

development of, 40, 1033
surgical anatomy of, 1378
orbitale, of eyelids, 822
pectiniform, of penis, 1300
pellucidum, 628, 632
posterior median of, 521
posterius of arachnoid, 672
primum, 1033
scroti, 485
secundum, 1033

sinuum frontalium, 270
sphenoidalium, 271
spurium of heart, 1032
of tongue, 1129
transversum, 68, 74

Skull, indices of (contd.), palato - maxillary

index, 287

superior facial index, 286
total facial index, 286
vertical index, 286
infra-temporal fossa, 168
inion, 285
interior of, 179
lambda, 285

lateral aspect of, 164
wall of orbit, 162
length of, 285
leptoprosopic, 286
leptorhine, 287
ligaments of, 312, 313
longitudinal arc of, 286
macrodont, 288

measurements of, 286
medial wall of orbit, 163
median sagittal section of, 183

megacephalic, 284

megadont, 288

megaseme, 287
mesaticephalic, 285
mesocephalic, 284
mesodont, 288
mesognathous, 287
mesorhine, 287

mesoseme, 287
mesuranic, 287
metopic, 172
metriocephalic, 286
microcephalic, 284
microdont, 288
microseme, 287
morphology of, 293
nasion, 285
obelion, 285
ophryon, 285
opisthion, 285
orbital fossæ, 160
orthocephalic, 286

orthognathous, 287
phænozygous, 171, 286
platyrhine, 287

posterior aspect of, 171
prechordal, 291
primordial, 292
prognathous, 287
pterion, 285

pterygo-palatine fossa, 170
rhinion, 285
roof of orbit, 160
in section, 179

sexual differences in, 193
skeleton of face, 163
stephanion, 285
sub-nasal point, 285
surgical anatomy of, 1358
tapeinocephalic, 286
temporal fossa, 166

trabecular portion of, 290, 291

upper aspect of, 171
vertebral portion of, 293
vertebrate theory of, 293
vertex, 285

as a whole, 159

Smegma embryonum, 79
præputii, 1299
"Snuff-box," anatomical, 400
Soleus muscle, 429

action of, 429