OF DECADE VI. 



N.B.— The originals of all the Figures are In the National Museum, Melbourne. 



Platk 51. — The Victorian Rhodona (Khodona Officer!, McCoy). 



Plate 52. — The Black and White Ringed Snake (Vermicella annulata, Gray). 



Plate 53. — The Green and Golden Bell-Frog (Ranoidea aurea, Less. sp.). 



Plates 54-55. — The Australian Aulopus (Aulopiis purpurisatus, Rich.). 



Plate 56 —The Hammer-headed Shark (Zygwna malleus, Sh.aw).— The Common Austnilian Saw- 

 Fish (Pristiophorus uudipinnis, Gunth.). 



Plate 57.— Biflustra perfragilis (McGil.). — B. delicatula (Busk). 



Plate 58. — Cellularia cuspidata (Busk). — Menipea crystallina (Gray sp.). — M, cyathus (Wy v. Tliom- 

 son). — M. cervicornis (McGil.) — M. tricellata (Busk). — M. Buskii (Wyv. Thomson). 



Plate 59. — Bicellaria tuba (Busk).— B. graudis (Busk).— B. ciliata (Linn.). — B. turbinata (McGil.)— 

 Stirparia annulata (Map.). — Bugula neritiua (Linn.). 



Plate 60. — Steganoporella magnilahris (Busk sp.). — Petralia undata (McGil.). 



