PLATE 34 



Megalanteris diobolaris nov. 



Page 142 



i, 2 Internal casts of ventral valves 



3 Internal cast of a dorsal valve 



4 Exterior of a ventral valve 



5 Internal cast of a ventral valve 

 Locality. Pine Hill, N. Y. 







Spirifer aroostookensis Clarke 



(See plates 30, 34) 

 Page 143 



6 Exterior of a dorsal valve 



7 Exterior of a ventral valve. The radial striations here shown on the 



sinus are seldom seen. 



8 A ventral valve 



9, 10 Enlargements of the surface showing the flattened slightly sulcate 



ribs and their fimbriate character 

 1 1 Internal cast of ventral valve 

 12, 13 Exteriors of dorsal and ventral valves 

 14 A small dorsal valve with rugose margin 

 15, 1 6 Dorsal and profile views of an entire specimen, x i^ 

 Locality. Pine Hill, N. Y. 



Leptocoelia flabellites (Conrad) 



Page 142 



17-20 A series of figures showing the usual character of this species in 



this fauna 

 Locality. Pine Hill, N. Y. 



Chonetes (Eodevonaria) cf. arcuata Hall nov. 



Page 144 



21-31 A series of views illustrating the various external and internal 

 characters of this shell. Natural size (23, x 2) 



Locality. Pine Hill, N. Y. 



234 



