1. The scalenus (p. 141, and Fig. 73, _f_-_f‴_). To trace its cervical
portion, cut the trachea and œsophagus just craniad of the first rib,
cut the pharynx and hyoid free from the ventral side of the head and
neck, and remove the pharynx, larynx, œsophagus, and trachea (these
should be preserved for future study of the larynx).