Jour Acad Nat Sci 2'^ Ser Vol. IV", 



PI 40. 



/'■% 



fSS f'nto prrsfljr/i/tfs 



an /'nifl Howt/hi 



B} f^f Wi/surtti 



as f^ru4, Man 



T Smdnr e lit>i, i'Kila 



