48 



Annals of the Carnegie Museum. 



Explanation of Plate V. 

 Fig. I. Spirifer raymondi Kaynes, s[>. nov. (Top view showing shape of area.) 



X 2. 



Fig. 2. Spirifer raymondi Haynes, sp. nov. X 2. 



Fig. 3. Spirifer whitneyi Hall, var. gallatinensis Haynes, var. nov. (Showing 



parallel-sided area.) X 2. 

 Fig. 4. Spirifer whitneyi Hall, var. gallitinensis Haynes, var. nov. (Ventral 



valve of specimen shown in Fig. 3.) X 2. 

 Fig. 5. Spirifet whitneyi Hall. X 2. 

 Fig. 6. Spirifer whitneyi Hall, var. ntonticola Haynes, var. nov. (Showing 



spiniform cardinal angle.) X 2. 

 Fig. 7. Spirifer whitneyi Hall, var. monticola. 

 Fig. 8. Spirifer whitneyi Hall, var. monticola. 

 Fig. 9. Spirifer whitneyi Hall, var. monticola. 

 Fig. id. Spirifer whitneyi Hall, var. monticola. 



(Figs. 7 to 10 inclusive show details of surface markings.) 

 Fig. II. Spirifer whitneyi Hall, var. animasensis (Girty). (Side view.) X 2. 

 Fig. 12. Spirifer whitneyi Hall, var. animasensis (Girty). (Ventral valve of 



specimen in Fig. 11.) X 2. 

 Fig. 13. Spirifer whitneyi Hall, var. animasensis (Girty). (Top view showing 

 high area of same specimen.) X 2. 



