252 ALICE W. WILCOX. 



PLATE IX. 



Fig. 10 represents Pectinatella magnifica, colonies: A 1 , A 2 , B 1 , B 2 - 1 , B 2 - 2 , 

 August 3. 



Fig. II represents Pectinatella magnifica, colonies: A 1 - 1 , A 1 - 2 , A 2 - 1 , A 2 - 2 , B 1 , 

 B 2 -\ B 2 - 2 -\ B 2 - 2 - 2 . August 5. 



Fig. 12 represents Pectinatella magnifica, colonies: A 1 - 1 , A 1 - 2 , A 2 - 1 - 1 , A 2 - 1 - 2 , 



^2.2.1.1 ^2.2.1.2 ^2.2.2 _#!! ^1.2.1 1.2.2 2.1.1 2.1.2 2.2.1 2.2.2 



August 8. 



Fig. 13 represents the same colonies as Fig. 12 fusing. August 10. 



Fig. 14 represents the same colonies as Fig. 12 fusing. August 13. 



Fig. 15 represents the same colonies as Fig. 12 fusing. August 16. 



