PLATE 2 



EXPLANATION OF FIGURES 



8 Transverse section through Gasserian and first sympathetic ganglia, em- 

 bryo of toad fish 14 mm. in length. X 300. 



9 Transverse section at level of oculomotor nerve, embryo of toad fish 6 mm. 

 in length. X 115. 



10 Transverse section at level of oculomotor nerve, larva of Amblystoma 

 13 mm. in length. 



11 Sagittal section showing oculomotor nerve, 8 day embryo of loggerhead 

 turtle. X 65. 



12 Sagittal section showing ophthalmic nerve and ciliary ganglion, 9 day 

 embryo of loggerhead turtle. X 90. 



262 



