EXPLANATION OF PLATE XXV. 



Tasmaiiiaii Hydrozua. 



Fig. 1. — Tliniiirla .•<iiiin>.-i(i, Bale. Pliotograpli of a .specimen 

 18"5 cii). ill lieiglit, from seven miles east of Cape 

 Pillar, Tasmania, 100 fatlioms. 



Fig. 2. — Sertuliirelht inlprrffsa, Ritcliie. Pliotogi-aph of a 

 specimen 1*2"5 cm. in lieiglit, fi'om seven miles east 

 of Cape Pillar, Tasmania, 100 fatlioms. 



Fig. 3. — Hi(Iifoniiiri'<( finratii, Bale, var. inteniiedia, liale. 

 Pliotograpli of a specimen 11"5 cm. in height, from 

 seven miles east of Cape Pillar, Tasmania, 100 

 fathoms. 



