FURTHER ADDITIONS AND CORRECTIONS. 



Page 11, line 4 from bottom, after the word together add whiplash-shaped. 

 Hi " 2 for second read jirst. 



11, bottom line, for jirst longitudinal read auxiliary. 

 " 38, line 17 from bottom, for ,sW< read Jd»£. 



63, lines 17 and 18 from bottom, for seam read man/in. 

 Ill, line 4 from top, after the word perpendicular add Hab. Middle 

 States. (Osten-Sac/.eit.) 



