124 Trans. Acad. Sci. of St. Louis. 



ABBREVIATIONS. 



AnI. Anlage of ethmoidal column. 



Ant. tr. pi. Anterior trabecular plate. 



C. Cell column between anlage and trabecula. 



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



division of the Ophthalmic V. 

 Col, eth. Columna ethmoidalls. 

 Co. tr. Cornu trabeculae. 



C. tr. Crista trabeculae. 



D. nl. Ductus nasolacrimallfl. 



E. Eye-ball. 



Eth. br. Ethmoidal bridge. 

 Eth. pi. Ethmoidal plate. 



F. Ramus frontalis trigemini. 

 Fen. eth. Fenestra ethmoidalis. 

 Fen. ol. Fenestra olfactoria. 



F. olf. Foramen olfactorium. 

 I. N. Branch of olfactory nerve. 

 ^ Inc. med. Incieura medialls. 

 J. gl. Jacobson's gland. 

 J. O. Jacobson's organ. 

 L. Lamina cribrosa. 

 Max. Ramus maxillaris trigeminl. 

 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, J, s- First, second and third main divisions of the Ophthalmic 



V nerve in the orbit. 

 P. Ramus palatinus VII. 

 Pr. ao. Processus antorbitaiis. 

 Pr. eth. Processus ethmoidalis. 



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

 Pr. med. Processus medialis (of the trabecul*). 

 Pr, n. med. Processus nasalis medialis. 

 Pr. unc. Processus uucinatus (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. 



lasutd Dec. I, 1906. 



