769 



PROE. 



Froetus haldemani, Hall. 14th An. Rt., N. Y , 1861, page 



102; 15th An. Rt 1862, pi ile 10, fig. 

 6. It was first discovered in Fenn. 

 sylvania; Olaypole also obtained a 

 specimen in Perry Co., at Druingold's 

 tannery, on Sherman's creek, (000, 



H^alk tSth.AnT^^^PtjJ spec. 12407, 99-41) from. Hamilton 



upper slates, VIII c^ 



Proetus longicaudus, Hall. 14th An. Rt. 1861, page 105. 

 vmc' ^^^ ^ ^-^ r. l'5th An. Rt. 1862, 



'^^^2. plate 10, figs. 7, 



>-rfe^-| tail, 8, 9, liead and 



/^Hj side view of the 



trilobite ecdled np. 



Ilaniilton forma- 



Jiali. ^^-—^/SA6. An. Rh^^^^ p/. (^ /Q tion^ VIII c. 



Proetus macrocephalus, 15th An. Rt. N. Y., 1861 ; Hall, 



Pal, N. Y., Vol. 7, 1888, page 116, plate 21, fig. 10, a trilobite 

 obliquely crushed, retaining the right eye and fixed cheek; 13, 



