PLATE VII. 



Fig. 



1,2. Ihphparin r/ranuhm (p. 27), from the Upper Greensand of Wiltshire. In Mr. 

 Cunnington's collection. 



3. Iloploparia scahra (p. 28). One side of the carapace, showing the posterior granu- 



lated scabrous portion, the tuberculated area behind the nuchal furrow, and the 

 tuberculated gastric region. The specimen is from the Gault, at Folkestone, and 

 in the British IMuseum. 



4. Right side of the carapace of the same species, from the same locality, and also in 



the British Museum. 



5. The tuberculated portion of the carapace of the same. 



6. Left side of the carapace of the same. This and the last, are from the Cambridge 



Greensand, and in Mr. Carter's collection. 



7. Anterior leg, probably of the same species, from the Gault, at Folkestone. In the 



British Museum. 



