BREED. — Muscle Metamorphosis. 
PLATE 4. 
Both figures magnified 67.5 diameters. 
Fig. 9. Superficial layer of the metathoracic muscles of the left side of an imago 
as they would appear with the lateral wall of the metathorax removed. 
Anterior at the left. 
Fig. 10. Portion of a cross section of the metathorax of a l/arva showing the 
cross section of the ventral antero-posterior muscles. Dorsal up on 
the plate. 
