186 



ZOOLOGY 



SECT, 



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B 



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FIG- 134. Pennatula sulcata. A, entire colony; B, portion of the same magnified. 

 1. lateral bir.ncli ; p. polype ; . siphonozooid. (After Koelliker.) 



Fir; ]35. Tubipora musica. A. skeleton of entire colony ; B, transverse sections ..f polype ; 



single polype with tuK- ; n.l t ..uniiciK-eiiieiit .,f platL.n.i : I). fnMwth .if new jmlyiPL'S from 

 platform ; /. ,. longitudinal muscles; ,>i. p-i. polypes; /-/. platform : /,,/,. siphono flyphe .*//. 

 spicules ; st.J. stomodseum. (After Cuvicr, Quoy and Gaimard, and Hickson ) 



