PLATE LXI. 



FIGS. 



1 and 2. Botryllus Schlosseri (Pall.) Sav. (p. 54) 1. A 



colony : natural size. 2. Part of the same : x 5. 



3-7. Botryllus rubens A. & H. (p. 62) 3. Part of a 



colony of a variety : natural size. 4. The same : 



x 5. 5. Part of a colony of the type : natural 



size. 6. Part of the same : x 5. 7. A single 



individual : x about 20. 



811. Botryllus mrescens A. & H. (p. 64) 8. Part of a 

 colony : natural size. 9. Part of the same : x 5. 

 10. A single individual: x about 20. 11. A 

 system of a variety from Falmouth : x 5. 



All but the last from Cullercoats. 



