OPALINID CILIATE INFUSORIANS METCALF 



503 



a 



FiGUEE 61.— Cepedeo eelebentia: From Bufo divergent: a, X 117; 6, X 673. 



FiouE* &i.—Cepedea hatteUU, new species: a and 6 and others grouped with them, X 249; c, X 1010. 



