184 



THE NATURE STUDY COURSE. 



The Sky in the Evenings of Spring. — The Big Dipper is 

 overhead at 11 p.m. in early April, at 9 p.m. in early May, 

 and at 7 p.m. in early June. The conspicuous stars and 

 groups then are the Lion, containing Regulus and Denebola, 

 the Virgin containing Spica, the Raven (Corvus), and Bootes 

 containing Arcturus. The following map shows the arrange- 

 ment at 9 p.m. about the 1st of April : — 



* s *Deneb 



18 



r Vega 



j Northern Crown 



Bootes 





VLm 



g Dipper 



"--. ^Regulus 



WIT* W 



* 



BigV 



Algol 



ipella^ 



Pleiades 



JL 



or 



Pollux 



Proc 



n V* 



A 

 —WEST 



ORION 



The^' 

 Raven " 



*CorIIyilra 



Siriusj 



* * 



12 * 



The 6 to 12 Quarter. Line 6 is overhead at 9 p.m. on tho 1st of 

 February. Line 12 is overhead at 9 p.m. on the 6th of May. 



The Sky in the Snmmer Evenings. — Vega is overhead at 

 11 p.m. in the first half of July, at 9 p.m. in the middle of 



