In the Classification of Birds. 5 
head of the corresponding coracoid bone, being superficial 
to the carneous portion of the tensor patagii brevis with 
which it is connected by fascia, and still more intimately 
Fig. 3.—The plucked body of a medium sized passerine bird, with 
its pterylosis not shown, but with the patagial muscles of the arm in 
black,and supposed to be seen through the skin ; dt. p., dermo-tensor 
patagii; tp.1., tensor patagnri longus ; and tp. b., the tensor patagit bre- 
vis ; ine. the line of incision to be made in order to expose them for 
examination. 
so with the adjacent pectoralis major muscle ; this muscle 
soon terminates in a tendon, which latter supporting the 
free margin of the patagial membrane, runs directly in it 
to the carpal joint, where it becomes attached, often send- 
