PLATES. 



6. Head (upper view) ") ^^. ^^^ 

 Qa. Head (side view) j 



GrEEEN Tree Sn^ake — Dendrophis punctulata. 



7. Head (upper view) j ^^ ^^^ 

 la. Head (side view) ) 



Brown Thee Snake — Dipsas fusca. 



8. Head (upper view) ) ^^ ^^^ 

 Sa. Head (side view) ) 



rEESH-WATEE Snake — TropidoTiotus picturatus. 



9. Head (upper view) | ^ 

 2a. Head aud portion of body j 



Peeiss' BLrtTD Snake — TypMops preissi. 



10. Head (side view) ~\ 

 13. Head (upper view) V of 

 13ff. Tail ) 



Schmidt's Blind Snake — TypUops hicolor. 



11. Head (side view) of 



EijpPELL's BLrND Snake — Typhlops riippelU. 



12. Head (upper view) '\ 

 V2a. Head (side view) > of 

 126. Tail ) 



Geat's Blind Snake — Typhlops nigrescens. 



'PLATE VI. 



"VEITOl^OTJS. 



1. SkuUof 



American Rattlesnake — Crotalus durinsus. • 



2. Skull of 



AusTEALlAN Black Snake — PseudecJiis porphyiiacus. 



3. Head of 



West Austealian Ceowned Snake — Hoplocep/iahig coronatus. 



4. Head (upper view) | ^^ ^^^ 

 4:0. Head (side view) j 



Black-backed Snake — Hoplocephalus nigrescens. 



5. Head (upper view) ") ^^ ^^^ 

 5a. Head (side view) j 



Tempoeal Deseet Snake —Hoplocephalus temporalis. 



6. Head (upper view) ") 



6a. Head (lower view) > of the 

 66. Head (side view) ) 



Beoad-headed Snake — Hoplocephalus variegatus. 



