ANIMAL MECHANICS. 413 



Muscular Type of Ostrich — Hip Joint. 





Male. 



Female. 



Female. 



Mean. 



Abductors. 



r. Agitator caudge, . . . . ) 



2. Tensor vaginae femoris, . . j 



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, . . . j 



3. Adductor quartus, .... 



4. Adductor quintus, .... 



5. Obturator externus, . . . 



Per cent. 

 23.76 



X 



6. 70 

 0.51 

 0.89 

 9.04 



3.68 



9- r 5 

 0.89 



20. 98 



7. 12 

 0.51 

 2.28 



8.65 



2.41 

 2.03 

 1.40 



Per cent. 

 15.64 

 10.05 



X 



6.71 

 0.72 



8.56 



3.84 

 8.63 

 0.98 



21. 18 



5.30 

 0, 45 

 2. 68 



6.76 



3-8 4 

 2. 14 



*• 37 



Per cent. 

 12 17 ) 

 10.52 j 



X 



6.77 

 0. 56 

 0.98 

 8.76 



3-02 



8.86 

 *-i3 



22. 7 1 

 8. 19 

 0.52 

 2.53 



8.68 



2 -43 

 1.29 

 0. 88 



Per cent. 

 24.04 



X 



6.73 



0. 60 

 1 . 01 



8.79 



3-5i 

 8.88 

 x . 00 



21 . 62 

 6.87 



0. 49 

 2.50 



8.03 



2.89 

 1.82 



1 . 22 





100 



IOO 



1GO 



IOO 



Oz. av. 



Total weight, . . 196-75 



Oz. av. 

 133-96 



Oz. av. 

 284-bl 





In the next Table, I show the corresponding muscular 

 type of the Emu : — 



