Dec, 191()] Prof uudns a}id Gasscrian Ganglia in Plethodon 43 



ABBREVIATIONS. 



Gal. E, Joum. Science, Dec. — (D) 

 And. G. — Auditory ganglion. 

 Aud. Ves. — Auditory vesicle. 



B. B. — Base of the brain. 



C. L. — Crystalline lens invagination. 

 Dien. — Diencephalon. 



D. L. VII. — Dorso-lateral portion of 

 the lateralis VII ganglion. 



Ec. — Ectoderm. 



Eg. Con. — Contact of the profundus 

 ganglion with the lateral ectoderm. 

 En. — Endoderm. 

 En. D. — Endolymphatic duct. 

 Gass. G. — Gasserian ganglion. 

 Gen. G. — Geniculate ganglion. 

 Inf. — Infundibulum. 

 Med. — Medulla oblongata. 

 M. B. — Mid-brain. 

 Mes. — Mesenchyme. 

 N. C. — Nasal capsule. 

 O. V. — Optic vesicle. 

 Pal. VII.— Palatine branch of VII. 



Ph. — Pharynx. 



Ph. P. I. — -First visceral pouch of the 



pharynx. 

 PI. — A supra-orbital placode of the 



lateral line series. 

 Prof. G. — Profundus ganglion. 

 R. aveolaris VII. — Ramus aveolaris 



VII. 

 R. Bucc. VII. — Ramus buccalis VII. 

 R. Max. V. — Ramus maxillaris V. 

 R. op. Prof. V. — Ramus opthalmicus 



profundus V. 

 R. op. Sup. VII. — Ramus superficialis 



VII. 

 Rt. Gass. G. — Root of the Gasserian 



ganglion. 



Rt. Prof. G. — Root of the profundus 



ganglion. 

 Tel. — Telencephalon. 



V. L. VII. — Ventro-lateral portion of 

 the lateralis VII ganglion. 



