112 F. Chcqwian : Victorian Fossils, Pt. X. 



Fig. 2. — Turrilepas yeringiae, sp. nov. Holotype. Portion of 

 individual, comprising five plates ; outer surface ex- 

 posed. Silurian (Yeringian). Junction of Woori 

 Yallock and Yarra. Coll. Geol. Surv. Vict, x 6. 



Fig. 3. — Ceratiocaris pinguis, sp. nov. Holotype. Cast of cara- 

 pace and five abdominal segments. Silurian (Mel- 

 bournian). S. Yarra. Coll. by P. Taverner. Nat. 

 size. 



Fig. 4. — C. pinguis, sp. nov. Cast of carapace and part of 

 abdominal segment of an immature specimen, having 

 a more ovoid body and vestige of a ventral flange. 

 Silurian (Melbournian). S. Yarra. Coll. by P. 

 Taverner. Nat. size. 



Fig. 5. — C. pinguis, sp. nov. Cast of carapace and abdominal 

 segment of a young, rotund-shaped individual. 

 Silurian (Melbournian). S. Yarra. Coll. by P. 

 Taverner. Nat. size. 



Fig. 6. — Ceratiocaris cf. pardoeana, Jones and Woodward. Por- 

 tion of carapace and two abdominal segments. Silu- 

 rian (Melbournian). S. Yarra. Coll. by F. P. Spry. 

 Nat. size. 



Fig. 7a-d. — Xiphidiocaris falcata, sp. nov. Telson. Nat. size. 

 a, h, sections showing superficial contour at two 

 places, X 2 ; <r, surface enlarged, x 2 ; d, outline at 

 apex, showing serrated concave margin and an 

 apical pit, x 3. Silurian (Melbournian). S. Yarra. 

 Coll. by F. P. Spry. 



Platk XXIX. 



Fig. 1. — Cast of worm burrow of Tr achy derma crassituba, sp. 

 nov., showing tlie rounded base. (A mould of JVuculites 

 maccoyianus on the same slab). In niudstone. Sil- 

 urian (Melbournian). S. Yaria. Coll. by F. P. 

 Spry. Two-thirds nat. size. 



Fig. 2. — Tui'rilepas ornatus, sp. nov. Kxteinal surface of 

 (?) median plate. Silurian (Melbournian). S. Yarra. 

 Coll. by R P. Spry. x 6. 



