Sept. 28, 1883.] 



KNOWLEDGE ♦ 



201 



•Thne 25, 1883. 



7''45"aM. y 7° 35"" A M 



.June 29, 1883. 

 8 a" d" A M 



June 29, 1883 



y. s" lo" A.M. 



June 30, 188.3. 



Ti s" 5 " A M 



• Notice above the .absence of the usual sharp listinction between Umbra and Penumbra. 



VAST SUN-SPOTS. 



THE Rev. Mr. F. Howlctt, whose skill and success in 

 drawing spots, shown by the method of projection 

 described in last week's Knowi.eiice, is well known, has 

 favoured the editor with photographs of the great spots 

 visible in April and November, 1882, and in June, 1883; 

 also of the Transit of Venus, December, lScS2. From his 

 photographs the accompanying engravings have been 

 made. 



CHEMISTRY OF THE CEREALS. 



By William Jagg, F.O.S. 



No. VI.— BEEAD-MAKIXG (Co„linued). 



THE fact that there is such a thing as bad oread comes 

 home to us at times in too pertinent a fashion to 

 permit of any doubt of its existence. Since writing the 

 last of these articles, I have eaten, during a stay in Liver- 

 pool, some of the best bread I ever tasted — an article far 



