294 LILY C. SHUDDEMAGEN. 



posed of the fourth, fifth, and sixth lumbar, and the eight sacral 

 nerves. These nerves are all interconnected by strong branches, 

 and they supply the muscles of the thigh and lower limb. 



The anterior crural nerve (PI. XXVI., Ant. Cr.} is composed 

 of parts of the fourth, fifth, and sixth lumbar nerves. It supplies 

 some of the upper thigh muscles. 



The obturator nerve (PI. XXVI., Obt.} arises from the sixth 

 lumbar and first sacral nerves. It also goes to supply some of 

 the upper thigh muscles. 



The sciatic major nerve (PI. XXVI., Sc. Maj.} arises from the 

 sixth lumbar, and first, second, and third sacral nerves. This 

 is the great nerve of the posterior limb. It soon divides into 

 the tibialis (PI. XXVI., Tib.}, the perroneus (PI. XXVI., Per.}, 

 the gluteous (PI. XXVI., Glut.}, and the sciatic minor nerve (PL 

 XXVI., Sc. Min.}. 



The pndcndus nerve (PI. XXVI., Pud.} arises from the fourth 

 sacral nerve. 



The cutaneous femoris nerve (PI. XXVI., Cut.} arises from the 

 fifth sacral nerve. 



GENERAL REMARKS. 



The brain has been previously described for the following 

 Dasypodids : 



The brain of Chlamydophorus tnmcatus has been figured and 

 described by Smith (1899) and Pouchet (1869). Hyrtl (1855) 

 gives just a few brief notes on the brain, without any figures. 



Dasypus se.vcinctus has been figured and described by Smith 

 (1899), Turner (1867), and Pouchet (1869). 



Priodon gigas has been figured by Pouchet (1868 and 1869), 

 and mentioned by Smith (1899). 



Tolypeutes tricimtus has been mentioned by Smith (1899), and 

 figured and described by Gervais (1869). 



Tatu navemcinctum has been mentioned by Smith (1899), 

 without figures. 



Tatu pcba has been figured and described by Smith (1899) and 

 Rapp (1852). 



Xcmtrns uniciuctus has been figured and mentioned by Smith 

 (1899) and Garrocl (1878). 



Dasypus villosus has been figured and described by Smith 

 (1899). 



