74 



CORAL, BY JOHN F. NORTON. 



LESSON ON CORAL IN A NINTH GRADE, WILLIAMS 

 SCHOOL, AUBURNDALE, MASS. 



BY 



John O. Godfrey. 



[In regard to the lessons given to the pupils of Mr. 

 Godfrey's school, we desire to say, that, although the pu- 

 pils have had instructions in science, the method in which 

 the lessons on coral etc. were given, was wholly new to 

 them. The information which was given them, the pupils 

 themselves thought out through a series of questions which 

 were asked.] 



Coral, by John F. Norton. 



"Full fathom five thy father lies; 



Of his bones are coral made." Shakspere. 



The coral polyp forms its kind in three ways. 1. Buds. There is a 

 mother bud at the top of the branching coral, which sends out smaller 



Fig. 33. 



t>, Branch cOral. A, mother polyp cell ; B, bud cell ; E, polyp division ; I, Single po:yp; II, 

 polyp elongating; III, partly divided: IV, wholly divided: by Marion Jewett. C, young coral 

 polyp, by Alice Cunningham. 



buds around it. 2. By division. The polyp, when first hatched, is very 

 nearly round, as figure 33, I. After a time it gets forced into form II. Still 

 a little more time and we find it like figure III. It then wholly separatee 



