24 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 139 



91° 



90° 



89" 



SS' 



8J« 



86* 



yi i 11 1 1 1 11 1 1 1 1 11 11 1 1 11 1 1 1 1 11 1 n in) n 1 it i iti 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 n n 1 1 1 1 1 1 1 1 1 1 11 1 1 1 



23°. 



22 



a «t:iei! JSAN K \ 



+ \ 



■ ir 



•i. Alacran 

 ' Reef 



4 *h 



f H - 



. 22° 



Fig. 11. 



