ADDENDA ET C0EBI8ENDA. 
459 
P. 75. 
P. 80. 
P. 88. 
P. 89. 
P. 90. 
P. 108. 
P. 131. 
P. 143. 
P. 205. 
P. 228. 
Add : — Pristis attenuatus, E. D. Cope, iu W. C. Kerr’s Hop. 
Geol. Surv. N. Carolina, vol. i. (1875), Appendix, p. 29. 
— Tertiar}' ; K. Carolina. 
Pristis brachyodon, E. D. Cope, Proo. Boston Soc. 
Kat. Hist. vol. xii. (1869), p. 312, and in W. C. Kerr, 
op. cit. — Greensand ; Tirginia. 
Paja similis . — See explanation of Plato IV. 
Add : — liaja dii.v, E. 1). Cope, Proc. Acad. Kat. Sci. Philad. 
1867, p. 141. — Miocene; United States, America. 
Add : — Platyrliina bolemsis, K. Molin, Sitzungsb. math.- 
phys. Cl. k. Akad. IViss. IVien, vol. xl. (1860), p. 587 : 
ParcopUrus bolcanus, L. Agassiz, Poiss., Boss. vol. iii. 
p. 382** (name only). — Upper Eocene ; Monte Bolca. 
Torpedo giyantea has also received the name of Narcine 
gigantea, 11. iMolin, Sitzungsb. math.-phys. Cl. k. Akad. 
Wiss. Wien, vol. xl. (I860), p. 585. 
Add : — Psammodiis bretonensis, 3. E. Whiteaves, Canadian 
Naturalist, vol. x. (1881), p. 36. — Coal-Measures ; Nova 
Scotia. 
A species of Psummodus (P. aiitiquus, Newberry) from the 
Devonian Corniferous Limestone of Ohio is also de.scribed 
in the Bull. National Institute, 1857 (teste 3. S. New- 
berry, Bcp. Gcol. Surv. Ohio, vol. i. pt. ii. p. 265). 
Add: — Qoniobatis agassizii. It. Blanchet, Bull. Soc. Vau- 
doise, vol. vi. (1860), p. 472, with plate. — Molasse ; 
Moliure, Switzerland. 
PKntliieus, E. D. Cope (Proc. Boston Soc. Nat. Hist, 
vol. xii. 1869, p. 316), doubtfully distinct from Aetobatis. 
The type species is P. slenodoti, E. D. Cope, ibid . — 
Miocene; New Jersey. 
Agassiz recognizes four varieties of the teeth of Ptyclwdus 
polygyrus (loc. cit.), three of which, he suggests, may be 
named P. concentnem, P. marginalis, and P. sulcatus, if 
they eventually prove to be distinct species. 
Add : — Pacilodus foveolatus, F. M‘Coy, Ann. Mag. Nat. 
Hist. [2] vol. ii. (1848), p. 129, and Brit. Pala;oz. Foss. 
(1855), p. 639, pi. 3g. fig. 11 ; J. W. Davis, Trans. Hoy. 
Dublin Soc. [2] vol. i. (1883), p. 445, pi. liii. fig. 26. — 
Carboniferous Limestone ; Derbyshire. 
A doubtful tooth, from the Keokuk Limestone of Illinois, 
is also named CJioniatodiis ? costatus, Newberry and 
Worthen, Pal. Illinois, vol. ii. (1866), p. 85, pi. v. 
fig. 17. 
2 H 2 
