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136 E X P L A N A T I O N OF T H E TABLES.
be joined to the anterior bundle of nerves, fo as to form one great nerve,
or cord of nerves.
12 A large branch from the third cervical nerve to the upper part of the
llioulder.
13, 13 The phrenic nerve, the upper part of which receives threads from
the third and fourth cervicals, and fends a fmall thread to the axillaryplexus.
14 The fourth cervical joined by branches from the third and phrenic nerve.
15 The pofterior fcapular nerve.
16 A laree cord formed by a great part of the fourth and fifth cervicals
and fibres from the third and phrenic.
17 The axillary circumflcx nerve produced fi'om that cord.
18 The fixth cervical, joined by a confiderable branch from the feventh.
. 1 9 20 The remainder of the feventh cervical, joined by a confiderable
part of the firft dorfal nerve.
21 The mufcular fpiral nerve of Monro, or radial of Winflow, receiving
branches from, or formed by, all the five undermoft cervical nerves.
22 A large cord formed by all the live undermoft cervical nerves.
23 The mufculo-cutaneous nerve of Monro, or perforans of Caflerius, derived
from the laft mentioned cord, or from all the five undermoft cervical
nerves.
24, 24, 24 The radial nerve of Monro, or median of Window, receiving
branches from the five undermoft cervical nerves, and from the firft dorfal.
The feveral fmall threads which compofe the trunk of this nerve
are feparated by diiredion, to iliow that plexufes, fimilar to what is called
axillary plexus, are formed by thefe in the whole progrefs of the nerve.
25 25 The ulnar nerve derived from the feventh cervical and firft dorfal
nerves, joined, in this fubjecl, by a thread from the mufcular fpiral nerve.
26 26 Subcutaneous bafilic nerve, derived from the firft dorfal, after it has
been joined by fmall branches from the feventh cervical.
27 27 Several external thoracic and cutaneous nerves derived from different
parts of the axillary plexus.
T A B L> E
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