L.M.B.C. HYDROID ZOOPHYTES. 



147 



Table showing the dis- 



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tribution OF THE SPECIES OF 

 zoophytes in the l.m.b.c. 

 District. 



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co S 

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Aglaophenia pluma 



1 

 . X 



V 





x 



V 



V 





A. myriophyllum .. 



. X 



X 









X 



X 



A . tubulifera 











X 



X 



X 



A . pennatula 



. X 















Plumularia pinna ta 













X 





P. frutescens 



. X 













X 



P. setacea 



. X 



X 



X 





X 



X 



X 



P. ca tharina 



' 









X 

 X 



X 

 X 





P. echinulata 





P. similis 













X 



X 



Fig. 



Fig. 2. 



Fig. 



3. 



Fig. 



4. 



Pig. 



5. 



Fig. 



6. 



Fig. 7. 



Fig. 



Figs. 9 



Explanation of Plate IX. 

 Gonothyrcea hyalina, showing extra-capsular gono- 



phores on the gonotheca, and castellations on the 



hydrotheca. 

 Calycella pigmcea, showing operculum and gono- 



phore. 



Calycella syringa, with double row of castellations. 

 Calycella syringa, showing the castellations as 



Hincks describes them. 

 Filellum serpens, hydrothecae and stolon embedded 



in a chitinous crust. 

 Halecium tenellum, with gonotheca protruding 



from orifice of hydrotheca. 

 Halecium tenellum, with gonotheca growing on 



side of hydrotheca. 

 Plumularia echinulata, showingtwo joints between 



the hydrothecae, and other characters, 

 and 10. Plumularia echinulata, spinose and plain 



gonothecae. 



