77 



very weakly sinuate; weakly curved ventrad. Distal margin very weakly sinuate. Distal 

 embayment very weakly concave; narrow. 



Tail - Dorsal view: perpendicular to neck. Proximal arch strikingly reduced anteriorly and 

 posteriorly; expanded proximally; extremely small: convex. Dorsal surface weakly 

 concave. Antero -proximal margin concavity present. Postero -proximal margin strongly 

 convex. Articulation with PRR strong along the entire length of the proximal arch; very 

 short but broad; strongly recurved. Antero-dorsal surface concave. Postero-dorsal surface 

 weakly concave. ' Posterior margin straight. Distal arch very strongly reduced anteriorly 

 and posteriorly; very strikingly expanded and elongated distally; strongly curved ventrad 

 along its entire length: oriented distad. Apex strongly curved ventrad and weakly so 

 posteriad; aciculate. Distal margin straight. - Ventral view: Proximal and distal margins 

 each with prominent ridges. 



Second Axillary (Fig. 123) 

 Radial Fulcalare absent. 



Ridges - Dorsal view: Proximal ridge entire; distinct from lobe; strongly sinuate. Anterior 

 section completely concealed by the distal ridge. Antero-median to postero-median section 

 strikingly enlarged above and laterad over the distal ridge; extremely slender; curves 

 abruptly postero-proximad from the antero-median to postero-median. Postero-median 

 section moderately broad and long; moderately extended past the posterior margin of the 

 lobe: curves abruptly postero-distad and ventrad over, and conceals, the distal ridge 

 posterior. Posterior section strongly reduced posteriorly; does not extend past the posterior 

 margin of the lobe: strikingly enlarged laterad over the distal ridge; oriented posteriad; 

 does not curve ventrad. Distal ridge weakly distinct from lobe. Apex enlarged; strongly 

 curved ventro-proximad; convex; strikingly narrowly falcate; short. Anterior section 

 moderately short; extended antero-proximad; not recurved. Antero-median to posterior 

 section concealed by the proximal ridge. - Ventral view: Proximal ridge moderately long; 

 broadly acerose; curved distad; distinct from the lobe. Apex narrow and rounded. Anterior 

 to antero-median section broadly acerose; lies adjacent to the distal ridge. Median to 

 posterior section obscured by the distal ridge. Distal ridge broad; short. Apex narrow and 

 rounded. Anterior to median section moderately long; broadly acerose; curved proximad. 

 Median and posterior sections arise from the posterior and proximal margins of the distal 

 lobe; distinct from the lobe; moderately narrow and very short. Median section strongly 

 convex. Postero-median section, waisted. Subalare tendon attachment point weakly 

 spatulate; moderately long and narrow; apically strongly curved ventrad around the dorso- 

 proximal ridge terminus; posterior margin rounded; extends weakly postero-distad from 

 the median; extremely strongly recurved; visible dorsally. 



Body - Dorsal view: extremely short. Proximal lobe very long and narrow; Ungulate; 

 oriented postero-proximad; arises posteriorly from the ridge; enlarged to the same dorsal 

 plane as the ridge; strongly sclerotized; weakly concave. Base very broad. Apex rounded; 

 straight. Anterior margin concave. Posterior margin strikingly enlarged; concave. Distal 

 lobe moderately short but very broad; broadly deltoid; as long as the proximal lobe; arises 

 posteriorly from the ridge; weakly sclerotized; planate. Apex aciculate. Anterior margin 



