54 Annals of the Carnegie Museum. 



Explanation of Plate VIII. 



Fig. I. Schizopkoria sUiatula, var. australis Kindle. X f. 



Fig. 2. Schizopkoria striatula, var. australis. (Top view of specimen shown in 



Fig. I.) X f. 

 Fig. 3. Rhipidomella vanuxetni Hall. (A small specimen showing area about 



umbo.) X 2. 

 Fig. 4. Rhipidomella vanuxetni Hall. Logan, Montana. X 2. 

 Fig. 5. Rhipidomella vanuxemi Hall. Logan, Montana. (Same specimen as 



shown in Fig. 4.) X 2. 

 Fig. 6. Produdella laminata Kindle. Three Forks, Montana. ColJ. Haynes. 



X2. 



Fig. 7. Spirifet disjunctus Sowerby = 5. verneuili Murchison. Boulonnais 

 Duval Coll. (To be compared with 5. whitneyi Hall.) X 2. 



Fig. 8. Leiorhynchus dunbarense Haynes, sp. nov. Holotype, Carn. Museum, 

 Three Forks, Montana. Coll. P. E. Raymond. X |. 



Fig. 9. Leiorhynchus jeffersonense Haynes, sp. nov. X i. 



Fig. 10. Leiorhynchus utahense Kindle, var. venUicosum Haynes, var. nov. X 2. 



Fig. II. Leiorhynchus utahense Kindle, var. ventricosum lHaynes. (Side viewj 

 inverted.) X 2. 



Fig. 12. Spirifer disjunctus Sowerby. Try pres Walfourt. (To be compared 

 with 5. whitneyi var. gallalinensis Haynes.) X 2. 



