MUK.ENIDJ3. 
345 
Bolca. The head is shown fco be rather short, with stout 
jaws ; and the very slender branchiostegal rays curve 
round the remains of the opercular apparatus. The 
robust clavicles are exhibited, but the pectoral fins are 
destroyed. The median fins have the extent noted in 
the specific diagnosis. No traces of scales can be distin- 
guished. • Egerton ff Enniskillen Colls. 
1891, P. 3877. Imperfect small specimen, in counterpart, 0-16 
in length, probably young of this species ; Monte Bolca. 
Egerton if Enniskillen Colls. 
B. 3878. Fragmentary' anterior half of fish labelled by Agassiz ; 
Monte Bolca. Enniskillen Coll. 
Anguilla elegans, Winkler. 
I8fi l- Anguilla elegans, T. C. Winkler, Descript. Poiss. Foss. d’Oenin- 
gen (Natuurk. Verhandl. Holland. Maatsch. [2] vol. xiv.), p. 57, 
ph vii. fig. 21. 
lype. Nearly complete fish ; British Museum. 
-A. robust species, attaining a length of about 0 <>. Length of 
head with opercular apparatus contained ninetimes in the total length 
to iBe base of the caudal fin ; median fins as in A. leptoptera. 
-About 100 vertebr*. Teeth slender, conical. 
Form, cj- hoc. Upper Miocene : Oeningen, Baden. 
^2769. Type specimen, in counterpart, described and figurtd by 
Winkler, loc. cit. Van Breda ColL 
42(70. Broken and imperfect specimen, in counterpart, noticed by 
Winkler, loc. cit. p. 57. Van Breda ColL 
Ihe following specific names have also been given to indetermin- 
uble specimens : — 
Anguilla branchiostegalis, L. Agassiz, Neues Jabrb. 1835, p. 307 
(name only). — Upper Eocene ; Monte Bolca. 
Anguilla inter spinalis, L. Agassiz, ibid. p. 307 (name only). 
Upper Eocene ; Monte Bolca. 
Anguilla multiradiata, L. Agassiz, Poiss. Foss. vol. v. (1843-44), 
pt.i.p. 15, pt. ii. p. 135, pi. xxix. fig-1- — Lower Oligocene ; 
Aix-en-Provence. [Portion of tail ; olim John Murray 
Coll.] 
Anguilla pachyura, L. Agassiz, ibid. (1843-44), pt. i. p. 15, 
pt. ii. p. 135, pi. xxix. fig. 2.— Upper Miocene; Oeningen, 
Baden. [Portion of tail : Geological Museum, Zurich. 
