124 Trans. Acad. Sci. of iSt. Loui§. 



ABBREVIATIONS. 



Anl. Anlage of ethmoidal column. 



Ant. tr. pi. Anterior trabecular plate. 



C. Cell column between anlage and trabecula. 



C. F. Communicating branch from Bamns frontalis to the third main 



division of the Ophthalmic V. 

 Col. eth. Columna ethmoidalis. 

 Co. tr. Cornu trabeculae. 



C. tr. Crista trabeculae. 



D. nl. Ductus nasolacrimalls. 

 B. Bye-ball. 



Eth. br. Ethmoidal.bridge. 



Bth. pi. Ethmoidal plate. 



F. Ramus frontalis trigeminl. 



Fen. eth. Fenestra ethmoidalis. 



Fen. ol. Fenestra olfactorla. 



F. olf . Foramen olfactorium. 



I. N. Branch of olfactory nerve. 



Inc. med. Incisnra medialis. 



J. gl. Jacobson's gland. 



J. O. Jacobson's organ. 



L. Lamina cribrosa. 



Max. Ramus maxillaris trigemini. 



M. D. Main division of nasal sac. 



N. L. P. Nasolacrimal pouch. 



N. S. Nasal sac. 



O. F. Olfactory nerve fibers. 



Olf. Olfactory bulb. 



Oph. Vi, s, s- First, second and third main divisions of the Ophthalmic 

 V nerve in the orbit. 



F. Ramus palatinus VII. 



Pr. ao. Processus antorbitalis. 



Pr. eth. Procesaua ethmoidalis. 



Pr. lat. Processus lateralis (of the ethmoidal column). 



Pr. med. Processus medialis (of the trabecula). 



Pr. n. med. Processus nasalis medialis. 



Pr. unc. Processus uncinatns (of the ethmoidal column). 



R. nl. Branch of the third main division of the Ophthalmic V nerve, fol- 

 lowing the nasolacrimal duct. 



Sub. 8. Subnasal space. 



Tr. Trabecula. 



Isaued Dec. 1, 1906. 



