SUPPLEMENT, PLATE XII. 



Murchisonse hemera. 



Figs. 1 — 3. — Welschia obtusifobmis, S. Buclcman. 



Fig. 1. — Side view of the type specimen with test. "Wild Bed," Chideock 

 Quarry Hill, Dorset. (Page li.) 

 Fig. 2. — Front view. 

 Fig. 3. — Suture-lines. 3 a. Radial-lines. 



Figs. 4 — 9. — Hyattia Wilsont, 8. Buchnan. 



Fig. 4. — Side view of a specimen with test (the type). " Wild Bed," Chideock 

 Quarry Hill, Dorset. (Page lvi.) 



Fig. 5. — Whorl-section. 



Fig. 6. — Suture-lines. 6 a. Radial-line. 



Fig. 7. — Side view of a specimen without test. Dundry, Somerset. Collected 

 by the late Mr. E. Wilson, F.G.S. 



Fig. 8. — Front view. 



Fig. 9. — Suture-lines. 9 a. Radial-lines. 



All the specimens are in my Collection. 



