PLATE LX. 



Class AVE S continued. 

 THE PIGEON continued. 



FIG. 1. PELVIS : DORSAL VIEW, x 1. 



s. sacrum : i., i. ilium : is. ischium : p. pubes. 



FIG. 2. PELVIS : VENTRAL VIEW, x 1. 

 FIG. 3. SACRUM : LEFT SIDE VIEW, x 1. 



FIG. 4. LEFT Os INNOMINATUM. x 1. 



a. acetabulum: i.,i. ilium: is. ischium: p. pubes: i.s.f. ilio-sciatic 

 foramen. 



FIG. 5. EIGHT FEMUR, x 1. 



FIG. 6. EIGHT TIBIO-TARSUS. 



t. tibia : /. fibula : tr. tarsal part of the ti bio -tarsus. 



FIG. 7. BONES OF THE EIGHT PES. 



t.m. tarso-metatarsus : I.-IV. phalanges of the four digits. 



FIG. 8. MESO-TARSAL ARTICULATION IN A YOUNG PIGEON, x 5. 



t. tibia : tr. l proximal portion of the tarsus becoming united to the 

 tibia : tr. 2 distal portion of the tarsus becoming united to the 

 metatarsals : mt. metatarsals. 



