PLATES 38 & 39. 



iLLrSTEATITE OF De. KeLLY's PaPEK '' 0>* A CaSE OF PoLYDACTYLISlT." 



Vide Proceedings E. I. Acad., Yol. 2, Ser. 2, p. 539. 



Plate 38, Fig. 8. 1, 2, E ^^ensor Ossis ITetacarpi Pollicis ; two slips 

 (the second Extensor Internodii Pollicis Primi). 



3, Extensor Primi Internodii Pollicis. 



4, Extensor Secundi Internodii Pollicis. 



5, Slip between Extensor Commimis Digitorum and 



Extensor Indicis. 



6, Aponeurotic wel) between the fii'st and second 



Pollex, into the free margin of which were in- 

 serted some of the muscles of the anterior group. ■ 

 Fig. 9. 1, 2, 3, Three slips of Extensor Ossis lletacarpi 

 Pollicis. 



4, Extensor Primi Internodii Pollicis. 



5, 6, Two slips of Extensor Secundi Internodii Pol- 



licis. 



7, Aponeurotic web. 



8, Extensor Indicis. 



Plate 39, Fig. 10. The vessels and nerves of the anterior surface of 

 right hand. 

 Fig. 11. Ditto, of the left hand. 



1, The great Arteria Mediana. 



