612 
TXCERT.^: SECTS. 
36134. Portion of similar cranium, with vertebrae. 
Purchased, 1861. 
P. 619. Decaying pyritised head, marked by Egerton as intended 
to be the type specimen of Pachycephalus cristatus, named 
only by Agassiz, loc. cit. 1844, p. 308. Egerton Coll. 
P. 9582. Similar head, well preserved. Egerton Coll. 
28498, 28614 a. Two similar heads, the second with part of the 
abdominal region. Dixon Coll. Purchased, 1853. 
30893. Two similar crania. 
Purchased, 1856. 
P. 622. Fragmentary head, marked by Agassiz and Egerton as 
intended to be the type specimen of Loxostomus mancus, 
named only by Agassiz, loc. cit. 1844, p. 308. 
Egerton Coll. 
Miscellaneous fish-remains of indeterminable affinities, not repre¬ 
sented in the Collection, have also received the following names : 
Conosaurops hoiuvianni : Conosaurus howructnni, E. ^ • (ribbes, 
Smithson. Contrib. vol. ii. art. no. 5 (1850), p. 10, pi. iii. 
figs^ 1-5. Conosaurops, J. Leidj^ Proc. Acad. Nat. Sci. 
Philad. 1868 , p. 202.—Eocene : South Carolina. [Teeth.] 
Diplotomodon horrificus, J. Leidy, Proc. Acad. Nat. Sci. Philad. 
1868, p. 202. Tomodon horrificus, J. Leidy, Smithson. 
Contrib. vol. xiv. art. no. 6 (1865), p. 102, pi. xx. figs. 
7_9.—Cretaceous ; Mullica Hill, Gloucester Co., New 
Jersey. [Tooth; Academy of Natural Sciences, Phila¬ 
delphia.] 
^Giqantichthijs pharao, Dames, Sitzungsb. Ges. naturf. Ereunde, 
r' Berlin, 1887, p. 137. Titanichthys pharao, W. Dames, 
ibid. p. 70, with fig.— Upper Cretaceous; Egypt. [Tooth : 
''<r£. Eoyal Museum of Natural History, Berlin.] 
Hacquetia holcensis, W. Szajnocha, Pamiet. Wydz. matem.-przyr. 
Akad. Umiejet. Krakow, vol. xii. (1886) p. Ill, pi. ix. 
fig. 2.—Upper Eocene ; Monte Bolca, near Yerona. 
[Imperfect fish : University Geological Museum, Cracow.] 
Heterolepis, 0. G. Costa, Atti E. Accad. Sci. Napoli, vol. ii. no. 22 
(1865), p. 4, pi. i.—Cretaceous ; Pietraroja, Province of 
Benevento, Italy. [Portion of fish.] pOl 
