Xll ILLUSTEATIONS JN THE TEXT. 



FIGS. PAGE 



118. B. Schlosseri : a colony . . . .58 



119.-- ,, a system . . . .59 



120.-- a colony . .60 



121.- ,, systems . . . .61 



122. B. rub ens : systems . . . .68 



123. B. mrescens : systems . . . .64 

 124. var. : systems .... 65 



125. B. Schlosseri and (?) smaragdus . . .67 



126. B. polycyclus : a colony . . . .72 



127. systems . . . .73 



128. an individual . . .73 



129. B. miniatus : systems . . . .77 



130. -Botrylloides Leachii : a colony . . .78 



131. B. rot if era : a colony . . . .83 



132. ,, part of a colony . . .84 



133. -Glavelina producta . . . . .87 



134. C. lepadiformis ... .87 



135.? Botryllus conglomeratus . . . .88 



