215 



Fig. 1. Sagittal section, somewhat diagrammtic, of the medulla and anterior portion 

 of the cord of Ctenolabrus ccerulus. a Anterior paired cells. The lateral cells ß, y ano - 

 the right lateral fibre bundle (fbr.) are projected on the sagittal plane, can. c. canalis 

 centralis; cbl. cerebellum; fis. fissura rhomboidalis; h'aa. hypoaria ; v. ventral root of 

 nervus trigeminus. X 20. 



Fig. 2. Frontal section, diagrammatic, of the cord and medulla, giant cells and 

 fibre bundles being projected on this plane to show their relations, tct. tectum opticum. 

 Other abbreviations as in Figure 1. X 20. 



15* 



