334 G. E. COGHILL 



Figs. 62 to 65. Earh^ swimming stage (No. 496, sections 1-5-24 to 1-6-2). 

 X 500. Four successive transverse serial sections through the entrance of the 

 glossopharyngeal nerve into the brain. Figure 62 is the most rostral. The 

 lateral line roots {R.L.L.IX,X) enter in figures 63 to 65, and on their ventral sur- 

 face the visceral sensory root (R.Vis.IX) enters in figures 63 and 64. These figures 

 should be compared with figure 6. 



