796 SOME NEW AND RARE HYDROIDA IN THE AUSTRALIAN MUSEUM, 



Fig. 4. Carnpanularia (?) serrulata, n.sp. Port Jackson. 

 Fig. 5. ,, (?) bispinosa, n.sp. Port Jackson. 



Fig. 6. ,, ,, a portion of the calycle-margin, seen 



from outside. 



Fig. 7. Campanularia bispinosa, one of the marginal teeth, lateral view, 

 (All except 6 and 7 magnified 40 diameters ). 



PLATE XIII. 



Fig. 1-3. Campanularia caliculata, Hincks. Port Jackson. (All from one 

 colony). 



Fig. 4-7. Campanularia caliculata v&r.makrogona, v. Lend. Port Jackson. 



Different hydrothecae from the same colony. 



Fig. 8. Campanularia caliculata var. makrogona, outline of gonotheca. 

 Fig. 9-10. Eucopella campanularia, v. Lend. Bondi. 



Fig. 11 ,, ,, irregular calycle, from the same poly- 



pary. 



Fig. 12-14. Eucopella Campanularia, from another variety. 

 Fig. 15. ,, gonotheca, same specimen. 



Fig. 16. Lafoea scandens, n.sp., on Sertularella divaricata. Port Jackson. 

 Fig. 17. base of hydrotheca, from behind. 



Fig. 18. ,, gonotheca, with contents. 



Fig. 19. ,, ,, ,, less advanced. 



(AU except 17 magnified 40 diameters). 



PLATE XIV. 



Fig. 1. Halecium gracile, n.sp., with male gonotheca. Port Jackson, x 40. 

 Fig. 2. ., Port Stephens, x 40. 



Fig. 3. ,, female gonotheca. x40. 



Fig. 4. parvulum, n.sp. Bondi. x40. 

 Fig. 5. ,, ,, with female gonotheca. x 40. 



Fig. Q.Pasythea quadridentata, Ellis and Sol. Bondi. x25. 

 Fig. 7. ,, Coogee. x 25. 



Fig. 8-9. ,, hexodon, Busk. Moreton Bay. x25. 



