PLATE 4 
SPALANGIA MUSCIDARUM AND A TABANID LARVA 
EXPLANATION OF FIGURES 
13. A section through a lateral tubercle of the tracheate larva with the group 
of imaginal oenocytes beneath. This section was cut a little to one side of the 
tracheal invagination. 
14 Attachment of a pharyngeal muscle of the atracheate larva showing the 
hypodermal fibrillae. 
15 Attachment of the wing muscles in a Spalangia pupa. 
16 The point of insertion of muscles in a Tabanid larva. The muscles have 
been torn away, leaving the hypodermal and dermal fibrillae. 
17 Normal relations of the muscles to the hypodermis in a Tabanid larva. 
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