58 



H. LISSER 



Solid lumeTi , larNTij^ 



H-cnto th^ytoi&tvs- 





tti^i^eoKi cart. 



fso-t^^t^^' 



Fig. 39 Wax iikkIcI of laryngeal region in liiunan Embryo no. 22 (20 mm.). (Hnuvn from below) 



