ANIMAL MECHANICS. 

 Muscular Type of Rhea — Hip Joint. 



415 





1 



Male, j Female. 



Mean. 



Abductors. 



1. Agitator caudae, . . . . \ 

 z. Tensor femoris vaginae, . . ) 



3. Glutaeus primus, .... 



4. Glutaeus secundus, .... 



5. Glutaeus tertius, .... 



6. Glutaeus quartus 



7. Obturator internus, . . . 



Flexors. 



Extensors. 



2. Semitendinosus, .... 



3. Semitendinoso-accessorius, . 



4. Semimembranosus, . . . 



Adductors. 



1. Adductor primus, . . . . ) 



2. Adductor secundus, . . . } 



3. Adductor quartus, .... 



4. Adductor quintus, .... 



5. Obturator externus, . , . 



Per cent. 

 23. 12 



0. 89 

 9.61 

 0. 96 

 0.89 

 8.65 



0. 46 

 10. 76 

 0.31 



r 4. 60 

 8. 34 

 1.92 



2- 73 



10. 00 



3- ^4 

 0.46 

 1 . 96 



Per cent. 



25-54 



1 . 20 

 9 02 



°-59 

 0. 90 

 8. 09 



0.47 

 3-35 

 0.23 



19.48 

 1 1 . 00 

 1 . 06 



2. 07 



8 14 



2. 26 

 0. 28 

 i-3 2 



Per cent. 



24. 33 

 1.04 

 9-32 

 0.77 

 0 89 

 8.38 



0. 46 



9-5 6 

 0.27 



17.04 

 9.92 

 r.49 

 2. 40 



9.07 



3.05 

 0. 37 

 1.64 





IOO 



IOO 



IOO 



Oz. av. 



Total weight, . . 26'02 



Oz. av. 

 47-73 





The muscular types of the Cassowary and of the other 

 Struthionidai are given in the following Table : — 



