CHAPTER VII. 
THE BEAUTIES OF THE FIRST-BORN OF 
LIFER 
S two days spent on the borders of the 
^ dismal pond were regarded by Doctor 
Dean as amply sufficient to fix the desired 
impression, the next interview with his young 
friends was appointed to take place in his study, 
where suitable provision was made to continue 
his researches by abundant specimens of its 
turbid waters and submerged plants. 
On the designated evening the welcome visi¬ 
tors found the doctor and his family assembled 
in the cozy library, with his microscope and 
specimens properly arranged for the lesson of 
the hour. 
After a brief social intercourse Doctor Dean 
began his conversation by saying: 
“ When we are entering upon any investiga¬ 
tion or pursuit, it is the part of prudence to fix 
on the definite object to be attained; otherwise, 
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