PLATE LXIII. 



FIGS. 

 1 and 2. Botrt/lln-ft polycyclus Sav. (p. 71) 1. Part of a 



colony from Cullercoats : natural size. 2. The 



same : X 5. 

 3 and 4. Botryllus castaneus A. & H. (p. 74) 3. Part of a 



colony from Culllercoats : natural size. 4. A 



system : x 5. 



5. BotrijUus calyculatus A. & H. (p. 75) Part of a 



colony from Peterhead : ? x 5. 



6. Botryllus bivittatus M. Edw. (p. 75) A colony : 



natural size (M. Edwards, pi. vi. f. 7). 



7. Botrijllus miniatns sp. nov. (p. 76) A system from 



Falmouth : ? x 5. 



8 and 9. An undescribed Botryllus. 8. A colony from 

 Cullercoats : enlarged. 9. A single individual : 

 further enlarged. 



