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for the most part correspond in direction with those of the m, serratus 

 anterior; second, there is in all cases an actual continuity of some 

 fibers of the fascia with those of the ra. serratus anterior or its peri- 

 mysium ; third, in one subject the muscle fibers were prolonged forward 

 in the fascia as far as the first costal cartilage. In this connection. 



Fig. 1. Shows the common disposition of the fascia, and the thickened tendinous 

 band in its upper and lateral part. In this subject the m. scalenus medius extended 

 the second rib under cover of the m. serratus anterior. 



however, there must be considered other muscular structures, which 

 are reported in the literature as occurring occasionally in this region, 

 and which might appear in rudimentary form as this fascia. These 

 muscles are the m. supracostalis of Wood, and cephalad prolongations 



Anat. Asz. XXXI. Aufsätze. 



11 



