PROFESSOR WOOD ON THE NECK- AND SHOULDER-MUSCLES. 
85 
male. It existed on both sides. It was a muscular slip 7 inches long, and a quarter of 
an inch wide, on the right side, but rather shorter on the left. On both sides its lower 
attachment was identical with that first found, viz. to the base of the scapula opposite 
the spine (Plate IX. fig. 2, d, d). On the right side its upper attachment was to the 
transverse process of the atlas, along with and superficial to the first digitation of the 
splenius colli (A') ; on the left side it ended above in the fascia covering the splenius 
capitis ( A ) opposite to the spines of the second and third cervical vertebrae, and was con- 
tinued onward to the occiput by the intervention of this fascia only. On the right side 
there coexisted another peculiar muscular slip, having a similar action upon the scapula 
(Q ) ; it lay beneath the rhomboids, arising by a fascial tendon from the spinous process 
of the seventh cervical vertebra, and passed downwards and outwards in a muscular band, 
7 inches long by half an inch wide, crossing obliquely between the fibres of the serratus 
posticus superior (s) and the rhomboideus major (K), and was inserted by a short tendon 
into the lower angle of the scapula, opposite the origin of the teres major. It was absent 
on the left side. The muscle lay almost entirely parallel to the occipito-scapular, with 
which a simple upward displacement would bring it into exact coaptation, and the action 
of their fibres was identical, viz. that of rotation of the scapula upon its axis and eleva- 
tion of its .superior angle. 
The next gradation was found in a muscular male subject, on the left side only 
(Plate IX. fig. 3). It was a fusiform slip of muscle (A) attached by a thin falciform 
aponeurosis to the fascia covering the splenius capitis (A), under cover of a cleido-occi- 
pital muscle (<?), which coexisted in this subject also. The fusiform belly was 3|- inches 
long, and was placed parallel and superficial to the outer fibres of the splenius capitis, 
ending below in a spreading aponeurosis, which was implanted upon the superficial 
aspect of the serratus posticus superior (.$), close to its tendon, and under the rhomboi- 
deus major. The rhomboids were also largely developed and united at their contiguous 
margins by another cross slip, passing from the spinal origin of the major to the scapular 
insertion of the minor. In the same subject and on the same side were found two 
other slips, given off from the lower margin of the levator anguli scapulae (f) from the 
fourth cervical transverse process. The innermost one (?;), the larger, was somewhat 
fan-shaped, spreading downwards to be inserted, by its inner fibres, into the fascia cover- 
ing the serratus posticus superior (s) about the second or third rib, and by its outer 
fibres into the fascia covering the hinder sui’face of the serratus magnus (S), close to its 
insertion into the middle of the vertebral border of the scapula. The lesser or outer- 
most slip (s) came off from the border of the muscle like the other, and was inserted 
wholly into the upper fibres of insertion of the serratus magnus. 
A somewhat different formation, having the same general character, was seen in 
another male subject, on the left side only (Plate IX. fig. 4). Two slips of muscle of 
about the same size as the foregoing (g and ri) were here found. The upper one (^) was 
attached above, in common with and between the atloid attachments of the splenius 
colli (A') and the levator anguli scapulae ( f ) ; it lay along the outer border of the 
