SKULL OF A HUMAM FETUS 



CHARI.E8 CI.IFFOHD MACKI IN 



m.ATF, 7 



can. amp. can. fen. nerv. ductus 



semicir. ant. seniicir. ant. vest. fac. coch. 



remnant of otocvst. 



cnis oomm. 



amp. can. senucir. lat. 



can. semicir. \>nM. 



comm. lam. pyram. 



S tapes 



impression of sale, carotic 



can. amp. can. fen. perilymph. 



semicir. lat. semicir. post. 



S Lateral aspect of cast of cavity of the rijiht otic capsule. 



amp. can. 

 semicir. atn 



meatus ac\is. mt. 



duct. coch. \^- 



can. semicir. ant. 



remnant of otocjst. 

 can. semicir. lat. 



cms comm. 

 for. endolympli. 

 can. .semicir. lat. 

 can. semicir. post. 



for. singulare fen. perilympli. amp. can. .semicir. post. 



9 Medial aspect of cast of cavity of the right otic capsule. 



377 



