30 MUR^NID^. 



1822, p. 109 ; Can; ibid. 1809, p. 272 ; RathJce, Wiegm. Arch. 



1838, p. 209, and in Mull. Arch. 1850, p. 203 ; Deshmgclunnps. 



Imtihd. vi. 1838, p. 133; Joannis, Rev. Zool 1839, p. 48'; Hom- 



haum-IIornschuch, Dissert, de AnginUarmn se.rii ct propagatione, 



Grj'ph. 1842 ; ScJdiieser, Dissert, de Petromgzontum et Anguillarum 



se.vu, Dorpat, 1848. 

 Skeleton : Agass. Poiss. Foss. v. tab; D. fig. 2. 

 Monstrosity : Deslmgchamps, Mem. Soc. Linn. Nonnand. v. 1835, 



p. 47. 



The length of the head is contained once and one-half or once 

 and one-third in the distance of the gill-opening from the origin of 

 the dorsal fin, and twice and one-third or twice and two-thirds in its 

 distance from the vent. Distance between the commencements of 

 the dorsal and anal fins as long as or somewhat longer than the 

 head. Lips narrow ; lower jaw prominent. Angle of the mouth 

 below the ej-e — which is rather small or of moderate size, much 

 shorter than the snout. Maxillary teeth equal and small. Tail 

 considerably longer than body. 



Europe to 64° '40' N. lat. (Mahngren), but neither in the 



Danube nor in the Black or Caspian Seas ; Mediterranean region ; 



Northern Asia (?) ; North America *. 



a. Fine specimen. Abergeldie Castle. Presented by Dr. Th. 

 Giinther. 



h, c, J, e-g. Young. Firth of Forth. From Dr. Parnell's Col- 

 lection. 



h. Very large specimen. Tarporley. Presented by Sir Ph. de M. 

 G. Egciton, Bart. 



i-m. Young. Tunbridge. Presented by J. G. Children, Esq. 



n-2\ Young. Poole Heath. Presented by W. Thompson, Esq. 



q, }■, s-t, u-v\ Adult and half-grown. England. 



.r, ?/-r. Half-grown and young. Bohusliin. Presented by Hr. A. 

 W. Malm. 



a, /3. Adult. Holland. From the Collection of Dr. van Lidth de 

 Jeude. 



y. Adult sldn. Holland. From Gronow's Collection. 



g. Many young specimens. Bavaria. From Dr. Gemminger's 

 Collection. 



e. Half-grown. Lisbon. Presented by the Eev. R. T. Lowe. 



4. Young. Madeira. Presented by the Rev. R. T. Lowe. 



r]~i;. Adult and half-grown. Azores. Presented by F. du C. God- 

 man, Esq. — These examples agree more with Kaup's A. capi- 

 tone than Valenciennes's A. canarioisis, having broad hps. 



X-r. Half-grown. Algiers. Presented by Lieut.-Col. Playfair 

 (A.raJJensis). 



L o-TT. Adult. Mediterranean. — The head is somewhat longer 

 thnn in examples from more northern latitudes ; and the eye is 



* T havn examined an example from New .Jersey; it is in tlie Liverpool 

 Museum. 



