414 



ANIMAL MECHANICS. 



Muscular Type of Emu — Kip Joint. 





Male. 



Male. 



Male. 



Young 

 Female. 



Mean. 



Abductors. 

 r. Agitator caudae, . . . ( 



2. Tensor vaginae femoris, j 



3. Glutseus primus, . . 



4. Gluteus secundus, . . 



5. Glutseus tertius, . . 



6. Glutaeus quartus, . . 



7. Obturator internus, 



Flexors. 



1. Rectus femoris, . 



2. Sartorius, .... 



Extensors. 



1. Biceps femoris, . . . 



2. Semitendinosus, . . 



3. Semitendinoso-accesso- ) 



4. Semimembranosus, . . 



Adductors. 



1. Adductor primus, . . I 



2. Adductor secundus, . ) 



3. Adductor quartus, . . 



4. Adductor quintus, . . 



5. Obturator externus, 



Per cent. 

 23.68 



1.99 

 10. 15 



0. 40 

 2. 19 

 5-27 



None. 

 12.34 



X 



18.71 

 8.76 



1. 19 

 1.99 



6.77 

 1.99 

 1.79 

 2.78 



Per cent. 



25.97 

 1.25 



8.58 

 0. 29 

 1 . 67 

 4-8 5 



None. 

 13.00 



X 



17. 15 

 9-97 

 1 . 10 

 2.49 



7.18 



2.63 

 1.52 

 2. 35 



Per cent. 



24. 02 

 1. 28 

 9-85) 



1.85) 

 5.56 



None. 

 12. 81 



X 



17.90 

 8. 27 



i.4" 



"•59 



7.28 



3-77 

 1. 41 



2. 63 



Per cent. 



23-75 

 1.47 



'3-32 



5.25 



None. 

 9.96 

 o- "5 



20. 5 1 

 4-47 

 0. 81 

 2. 07 



7. n 



2-37 

 2.01 

 6. 75 



Per cent. 

 24.36 



1.50 

 9.88 

 o.34 

 "•95 

 5-23 



None. 

 11. 91 

 0. 15 



"8.57 

 7.87 



"•"3 

 2. 03 



7.08 



2.69 

 1.68 

 3. 63 





IOO 



IOO 



IOO 



IOO 



IOO 



Oz. av. 



Total weight, . . 50-25 



Oz. av. 

 72-30 



Oz. av. 

 95-82 



Oz. av. 

 33-34 





The following Table shows the muscular type of the 

 Rhea : — 



