B R Y O Z O A. 



Davenport, C. B. 59.47. 



On the variation of Statoblasts of Pectinatella magnifica 

 from Lake Michigan at Chicago. 

 Anier. Natural. Vol. XXXIV. 1900. 



Henchman, Annie and Davenport, C. B. 59.47. 



Clonal Variation in Pectinatella. 

 Amer. Natural. Vol. XLVII p. 361—371. 1913. H. 



Pearson, K. 59.47. 



Statoblasts of Pectinatella magnifica. 

 Biom. Vol. I p. 128 Oct. 1901. S. 



