GENERAL LIFE HISTORY OF THE TADPOLES 



33 



than at Dagger Lane, in spite of the fact that the number of tadpoles 

 during most of the season was much larger. 

 (/)) 1948 (Fig. 9). Although frogs were seen in Lower Parkfield on 



K) 20 aO 10 20 30 9 19 29 

 APRIL MAY JUNE 



Fig. 9. Lower Parkfield Pond, 1948 



The great contrast with the preceding figure should be noted. The few 

 tadpoles in this pond fared very well. 



20th March, spaw^ning did not begin until shortly before 27th. There 

 were many clusters of spawn, forming a continuous mass about 2 m 

 across. The tadpoles hatched on 20th April and, in spite of the large 

 numbers of eggs, the tadpoles did not seem to be numerous. On 27th, 



