2. )iUi;i,r,osT(j,MA. ')\ 1 



tab. 28; Xi/s.t. Skmid. Faun. Fish. p. I'A); Ydrnll, JSrit. Fish. 



.'U'd edit. i. p. 12; Kr([i/ri\ Ddiiiii. Fish. p. 10(58; (hiiy., i'lunulmpt. 



p. 147 ; Stvciiatrnj), (I'Jfni:i. DansJ;. J 'id. Sc/.sJ,\ FHfluiiuI/. l8U4, p. 2'o-i. 

 Sl(M-pi)iiU'l(t'ii, ft'itiiiier, Trondhj. llandl. ii. p. 2'jO, tab. •>. 

 Pihn.l, K(dm, lirm, i. p. 100. ' 

 Ih idaal, Sfnun, Siiiidmiir, p. 287. 

 (!hitiii()us Ilaji', Pennant, Brit. Znol. iv. j). •I-), pi. 1:0. ii;:-. 15, ur, 



edit. 1812, iii. p. 100. 

 < la-troljnuicduis {•a'cu'^, 1>L Aii.d. J-'i-nJi. \i\. p. (;('>, taf. Il-l ; lU. Sc/i/i. 



p. .').')4, tab. 104; Ldccp. i. p. ■')'2~>; Van: I'rif. F'i.t/t. 2iid vdh. ii. 



p. (;i2. 

 ,\I yxiiic ctCL-a. liltiinr. F'litin. I'r. ii. p. 2, tal). 1 a. 

 — ^— liiiiosa, Cinird, Prof. A<: Xaf. tic. Pliilad. 18.'38, p. 223. 

 r>.nvr, CoKch, Fiah. Brit. 14. iv. p. 408, pi. 218. 



Eii^ht or nine rather slender teeth in each of the two serie.s ; tlie 

 two foremost strongest, and more eontlucnt at tlic base than the 

 others. 



Coasts of Europe and North America. 



(t. Adult. Firth of Fortli. Presented by — Woodfall, Esq. 

 l>. Adult. Newcastle. Presented by Mr. Adamson. 

 c, d, Several examples. 



2. Myxine affiiiis. 



Eleven rather stout teeth in each of the two scries, the two fore- 

 most stronii'cst and more oonduent at the base' than tlic others. 

 Body considerably more slender than that of M. (/Ii(tiiiosa. 



J Jab. ? 



a. Twelve inches long. Presented by Dr. A. Ciinthcr. 



3. Myxine australis. 

 Jeni/ns, Voy. Bcaylc, Fish. p. 150. 

 Ten or eleven slender teeth in each of the two scries, the three 

 foremost are strongest and confluent at the base, the other teeth 

 remaining separate ; in the second series the two innermost teeth 

 are confluent at the base. 



Southern coasts of South America 



a, h-d. Adult and half-grown. Sandy Point. Collected by ])r. 



Cunningham. 

 e-f. Half-grown. Tysscn Islands. Collected by Dr. Cunningham. 



2. BDELLOSTOMA. 



Heptatrenin, Dumeril. 

 Bdellostoma, Mdllcr 



Six or more external branchial apertures on eacli side, each li'ud 

 ing, by a separate duct, to a branchial sac. 

 Southern coasts of the southern hemisphere. 



1 . fidellostoma cirrhatum. 



Petromyzon cirrhatus, (Forstir) Bl. >Schn. p. 5.'52 : Fn-.^t. /)rsrri/)t. 

 Anim. ed. Licht. p. 112. 



