84 



HIGH SCHOOL ZOOLOGY. 



times called the clavicle, but a very different structure from the 

 various parts so called in the catfish. Again, the scapula is of 

 much greater size, is ossified and has a cartilaginous leaf-like 

 part above, which nearly reaches its fellow of the opposite side 

 near the middle line of the back. Still the limb is attached to 

 the girdle at the junction of the coracoid and scapula, just as 

 it is in the catfish, only the method of its attachment and the 







'■am- . 





Pig. 68.— a, Skeleton of Anterior, b, of Posterior, Extremities of Menobranch. 



po. prccoracoifi ; s. scapula ; ss suprascajnila ; co. coracoid ; gl. jrlenoid cavity for 

 h, humerus ; u. ulna ; r. radius ; u+i, ulnare + intermedium; r'. radiale ; c. centrale ; 

 1 — i, distal carpal row. in. metacarpals; I — IV. digits. 



p. pubis ; i. ilivnn ; is. ischium ; a. acetabulum for fe. femur ; f. fibula ; t. tibia ; f +i, 

 fibulare + intermedium ; t. tibiale ; c. centrale ; 1 —5. distal tars.al row ; ni metatar- 

 sals; I— IV. digits. 



