40 



Anterior section moderately short; curved proximad and very weakly ventrad. Median to 

 posterior section extends adjacent but below the proximal ridge; very weakly demarcated 

 from body by an impression. Posterior section acerose; very weakly extended past the 

 posterior margin of lobe. - Ventral view: Proximal ridge slender; long; curved distad; 

 distinct from lobe. Apex aciculate. Anterior to antero-median section digitate; slender: 

 conceals the distal margin of the distal ridge. Median to posterior section obscured by the 

 distal ridge. Distal ridge slender; long. Anterior to median section partially concealed by 

 the proximal ridge; curves proximad. Median and posterior sections arise from the 

 posterior margin of the distal lobe; distinct from lobe; broad and moderately long. Median 

 section convex. Postero-median section not waisted. Subalare tendon attachment point 

 moderately long and narrow; apically not curved ventrad: posterior margin rounded: 

 extends posteriad from the median reversal; broadly visible dorsally. 



Body - Dorsal view: about as long as broad. Proximal lobe oriented proximad; arises from 

 the postero-medial section of the ridge, depressed below the ridge; short and small; deltoid; 

 strongly sclerotized; concave. Posterior margin weakly enlarged: concave. Base 

 moderately broad. Apex narrowly rounded; weakly curved anteriad. Distal lobe moderately 

 large and broad; deltoid; much larger than proximal lobe: moderately sclerotized: very 

 strongly convex. Anterior margin normal length: concave. Apex narrowly rounded. 

 Posterior margin straight; weakly reduced. - Ventral view: Proximal lobe extremely small; 

 convex. Posterior wing process junction nearly completely conceals the proximal lobe; 

 formed as a prominent ovoid convexity which extends anteriorly from the posterior margin 

 of the distal ridge. Distal lobe moderately large and broad; discontinuous with ridge; 

 weakly concave. 



Median Plate (Fig. 68) 



FM1 oriented strongly postero-distad. Anterior section very narrow. Median section 

 narrow. Postero-median to posterior section very broad; convex. Proximal margin convex. 

 Articulation with 2Ax extends from the postero-medial margin of the distal lobe to the 

 posterior section over the posterior section of the ventral ridge. Distal margin very weakly 

 and narrowly fused to 3Ax. FM2 very short; oriented posteriad; acerose; separated from 

 FM1 by a long, broad section of membrane. 



Third Axillary (Fig.69) 



Head planate; moderately broad; normal length. Proximal margin straight. Anterior margin 

 weakly convex; not enlarged ventrally; from the proximal angle it slopes sharply postero- 

 distad. Ant ero -proximal margin extended anteriad; very broadly rounded. Antero-distal 

 margin extended ventrad; broadly but shallowly concave. Posterior section enlarged 

 dorsally to form an arm; proximally continuous with the neck. FCu normal size; distinct; 

 occupies most of the head; broadly deltoid. FA extremely small. Anterior margin strongly 

 reduced by a much enlarged FCu. AXCu reduced proximally; very narrowly margins the 

 postero-proximal margin of FCu. Suture line between FCu and FA present. Suture line 

 between FCu and AXCu present. Suture line between FA and FJ present. 



