STRUTHIONES 



613 



The structure of the shull of the emu ^ is not widely 

 different from that of the skull of Bhea. The vomer is 

 widely bifurcate behind, where it articulates both with 

 pterygoids and palatines. The basipterygoids articulate 

 with the pterygoids at the extreme posterior end of the 



Fig. 243. — Pelvis or Bhea (aftek Mivakt). 



il, nitun ; Zp, pectineal process ; af, antitrochanteric process ; st, supratrochauteric process ; 

 pSf interobtiirator process ; i, ischium ; p, pubis. 



latter, instead of nearly halfway along them, as in other 

 birds. The maxillo-palatines are hollow swollen plates, 

 which unite with the vomer and premaxillaries, but come 

 apart in the dried skull. The descending process of the 

 lacrymal has a foramen, as in Bhea. It joins the thin 

 lamina of the ectethmoid. The descending process of the 



' W. K. Paekek, ' On the Structure and Development of the Skull in the 

 Ostrich Tribe,' FUl. Trans. 1868, p. 113. 



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