i:xr[-ANATION OF THE I'LATES. 105 



PLATE XVI. 



The Type specimen of Turhinaria lichenoides, X J, upper surface. 



„ ,, „ luiilcr surface, showing tlio character of tlie 



growing fringe of horizontal fronds. 

 The Type specimen of Turldiimria reptans, x J, upper surface. 

 „ „ „ under surface. 



PLATE XVII. 



The Type specimen of Turhinana reniformis (Great Barrier Picef), X \, seen from above, on 



the left obscured by sediment. 



PLATE XVIII. 

 The Type specimen of Turhinaria foliosa, seen from above, x i- 



PLATE XIX. 

 The Type specimen of Turhinaria rugosa (Formosa), seen slightly from the side, x §. 



PLATE XX. 



The Type specimen of Turhinaria dcijans (Tongatabu), seen from above, x ^■ 



„ „ Turhinana vcluta (Tongatabu), seen from above, X ^. 



A fragment of large stock of Turhinaria stellulata (Tongatabu), from the side, X J. 

 The Type specimen of Turhinaria glohularis (Diego Garcia), from the side, X )[. 



PLATE XXI. 



Tlie Type specimen, with a young cup of Turhinaria Ufron-'i, X \, from the side. 



Two minute stalked siiecinicns of the same (?), showing very early bifrontal folding, from above. 



The Type (stalked) specimen of Turhinaria dendrophyllia, x f , from above. 



PLATE XXII. 



Gigantic stock of Turhinaria conspicua (Shark's Bay), x J. 



PLATE XXII L 



Five specimens showing stages in the growtli of Turhinarin gracilis (Gulf of Carpentaria), x J. 



PLATE XXIV. 

 The Type specimen of Turhinana contorta (South Cliina Seas), x % 



