The aneurism was of the third part of the axillary artery, and a ligature was applied at the lower margin of the pectoralis minor.
The pectoralis transversus and other muscles were found to harbour a considerable number of encysted Trichin.
A closely allied form occurs in Alaska, and has been named Dallia pectoralis, Bean.
A great, fan-shaped muscle, called the pectoralis major, lies on the chest.
The clavicular portion of the pectoralis major must then be divided right across its fibres, which will retract.
The bolus consisted of a portion of the pectoralis major of a subject brought to the dissecting-room at the Middlesex Hospital.