EeportlT. S. F. C. 1883.— Tanner. Albatross. 



PLATE II. 



I 'f^l I I I I ■ SS'to ' 



35 7S'iE^ 



°30 



Case n. 



^6 45 



36^S 



Se'ZS **~' ■ ' .^ I I I I • ^^^ 



7S< 



4S 



mse'ss 



74 "30' 



Illustrative cases in naviojation. 



