CONTENTS OF DECADE X. 



K.B. — The originals o£ all the Tigiires are in the Natiunal Museum, Melbourne. 



Plate 91.~Gymnobeliileus Leadbeatcri (McCoy). 



Plates 92-93. — The Long-necked River Tortoise (Chelodiua longicoUis, Shaw sp.). 

 /Plate 94. — Operculaof Retepora. 



I Plate 95. — Retepora porcellaua (P. McGil.).— R. avicularis (P, McGil.).— R. fissa (P. McGil.). 

 ^ Plate 96. — Retepora monilifera (P. McGil,). 

 I Plate 97.— Retepora monilifera (P. McGil.).— R. furmosa (P. ?iTcGil.).— R. carinata (P. McGil.). 

 t Plate 98.— Retepora Phoeuicea (Busk). — R. auriinliaca (P. McGil.). 

 Plate 99.— Retepora granulata (P. McGil.).— R. tessellata (Hincks).— R. serrata (P. McGil.). 

 Plate 100. — Gouiocidaris tubaria (Lam.). 



