3 S8 



POPULAR SCIENCE MONTHLY. 



Beer and Madler: the Eye, the Maria, the Syrtis Major, the Sabseus 

 Sinus. In general they perfectly reproduce their prototypes, while in 

 detail they present a little more closely the appearance of the same 



Map 3. Dawes by Proctor, 1867. 



markings to-day. The map is a slight advance upon its predecessor, 

 and a complete corroboration of it. In these portraitures Kaiser 

 stood not alone. About the same date Lockyer, although he constructed 



!)**«-*» d* S t^ng'J ■ .-1 ■- 



Map 4. Resume by Flammarion of all to Date, 1870, 



no map, made some excellent drawings quite confirmative of Kaiser's 

 and rather better. So also did Dawes (Map III.), nicknamed the 

 eagle-eyed for his ability to detect difficult phenomena. 



