PLATE 3 
EXPLANATION OF FIGURES 
6 Taken from section 455, is at the level of the origin of the r. supra- 
temporalis IX from the lateralis IX ganglion. It also passes through the an- 
terior end of the ganglion petrosum, or visceral IX. 
7 Taken from section 482, is at the level of the origin of the r. supra- 
temporalis X from the ganglion laterale X; and also passes through the point 
of origin of the r. posttrematicus IX from the ganglion viscerale IX which is 
attached to the epibranchial placode at this point. 
8 Taken from section 526, is at the level of the origin of the r. pretre- 
maticus X,; from the ganglion viscerale X; and passes through the placodal at- 
tachment of that ganglion. 
9 Taken from section 546, lies just posterior to the point of origin of r. 
lateralis X-1, which arises from the ganglion laterale X2, and of the nerve iden- 
tified as r. auricularis X. This section passes through the anterior end of g. 
laterale Xs. 
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