812 MR. J. B. PERRIN ON BALEZNOPTERA ROSTRATA. [Dec. 6, 


Lat. Dor. Latissimus dorsi. 
Tr. Mg. Teres major. 
Ext. Com. Digt, Extensor communis digitorum. 
Muscles of the dorsal surface of the fore limb of Balenoptera rostrata. 
Inf. Sp. Infraspinatus. 
S. Sp. Supraspinatus. 
Tr’, Tr’, External and long heads of the triceps. 
Dita. Deltoid cut through. 
1H Se 
