634 THE AUSTRALIAN HYDROMEDUS.E, 



Plate XXVI. 



Fig. 49. — Pennaria Adamsia, terminal Hydranth, 1:20. 

 Fig. 50. — Tubularia spongicola with Medusostyles producing actinuhe, seen 

 from above, 1:10. 



Plate XXVII. 



Fig. 51. — Tubularia gracilis, producing actinula? in the Medusostyls, 1:10. 

 Fig. 52. — Tubularia gracilis, producing actinula? in the Medusostyls, 1:10. 



Plate XXVIII. 



Fig. 53. — Eucope annulata, adult Medusa, 1:20. 



Fig. 54. — Eucope annulata, a marginal vesicle, C Oe II. 



Fig. 55. — Eucope annulata, an irregular Medusa (young) with five Radial 



Canals as seen from below, 1:20. 

 Fig. 56. — Eucope annulata, Polyp colony, natural size. 

 Fig. 57. — Eucope annulata, Polyp colony, 1:15. 



Plate XXIX. 



Fig. 58. — Mitrocomium Annse, adult Medusa, 1 :15. 



Fig. 59. — Mitrocomium Anna?, Medusa, section through a tentacle-bulb, 



Oel. 

 Fig. 60. — Mitrocomium Anna?, adult Medusa seen from below, 1:25. 



