186 



ZOOLOGY 



SECT. 



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

 1. lateral branch ; p. polype ; s. siphonozooid. (After Koelliker.) 



1.70. 



FIG. 135. Tu"bipora musica. A, skeleton of entire colony ; B, transverse sections of polype ; 

 (', single polype with tube and commencement of platform ; 1), growth of new polypes from 

 platform ; /. m. longitudinal muscles ; pi. ?/-'. polypes ; pi. platform ; sity/i. siphonoglyphe ; sp. 

 spicules ; std. stomodseum. (After Cuvier, Quoy and Gaimard, and Hickson.) 



