552 ^. H. EDGEWORTH. 



cuius," 'Nouv. Mem. Soc. Imper. des Natural, de Moscou,' T. xvi, 



L. 2, 1899. 

 Vebsluys.— " Mittlere und ausseve Ohrsphiire der Lacertilia u. Rhyncoce- 



phalia," 'Zool. Jalnb., Anat. u. Ontog.,' Bd. xii, 1898. 



" Ueber die Kaumuskeln bei Lacertilia," 'Anat. Anzeig.,' 1904 



V. WiJHE. — " Ueber die Mesodermsegmente und die Entwicklung der 



Nerven des Selacbierkopfes," ' Verband. der k. Acad, der Wissen. zu 



Amsterdam,' 1882. 

 " Ueber die Nerven und Soraiten von Vogel- und Reptilien- 



embryonen," ' Zool. Anzeig.,' Bd. ix, 1886. 



On the Names employed. 



B = Bradley, F = Furbringer, G = Gadow, H = Hoffman, K = Kingsley, 

 = Osawa, P = Parker, ■V = Versluys. 



Orbicularis palpebrarum : 



Birds (G), Sphenodon, Lacertilia vera, Rbiptoglossa. 

 Mandibular myotome — 

 Upper part divides : 



J,. 1 /depressor palpebr.-e inferioris (G). 

 \_orbito-quadratus (G). 

 C\ 1 • /depressor palpebriE inferioris et superioris (H). 

 latropbies. 

 rrocodiliaJ*^^!"'^^'^^^ palpebrte inferioris et superioris (H). 

 (^atropines. 



rdepressor palpebrje inferioris. 

 ^ \spbeno-pterygo-quadratus (F). 



/"depressor palpebral inferioris. 

 Lacertilia vera-i pterygo-parietalis. 



[protractor pterygoidei (V) = pterygo-spbenoidalis poste- 

 rior (B). 



(pterygo-spbenoidalis anterior. 

 Rbiptoglossa-^ pterygo-parietalis (V). 



[protractor pterygoidei (V). 



Ivomero-spbenoideus (H). 

 ptervffo-spbenoidalis anterior (H). 

 pterygo-parietalis (il;. 

 pterygo-spbenoidalis posterior (H). 



