Plate 104. 



Fik;. 1. Opiiiilidstcr fiixciis : 'ilinctinal view. t'Ular.uiHl. p. 3SS. 

 1'. Fcnliini ill iipliiiliscii : .-ihacliiial view. eiilar.i;ed, p. 370. 

 3. lc(jii(i.sl( )■ iDiiiiiiinniii.s ; abactlual view, enlarged, p. 303. 



651 



