4. AXGUILLA. 23 



round, before the lower half of the eye. Cleft of the mouth very 

 wide ; teeth small. Body scaly. Stomach very distensible. 

 Madeira. A deep-sea fish. 



1. Ssmaphobranchus pinnatus. 



Miirsena, sp., Gronov. Mus. Ichth. ii. p. 11. no. 161. 

 Mnrsena pinnata, Gronov. Syst. cd. Gr<?y, p. 19. 

 Synaphobranclius kaupii, Johnson, Froc. Zool. Soc. ISG'2, p. 169. 



Jaws subequal in length, sometimes the lower, sometimes the 

 upper the longer. Intermaxillary with an ovate patch of conical 

 teeth, which arc somewhat larger than the others ; maxillary teeth 

 in a narrow band, those of the inner series being conspicuously the 

 largest ; mandible with a single series gradually passing into a band 

 behind. Vomerine teeth uniserial. Eye of moderate size. Tail 

 twice as long as the body ; vent somewhat in advance of the origin 

 of the dorsal fin. Uniform brown. 



Madeira, 



o. Adult. Madeira, Presented by the Rev. R,. T. Lowe. 



b-c. Adult. Madeira. Presented by J. Y, Johnson, Esq. — Types 



of S. kaujiii. 

 d. Adult. Madeira, Purchased. 



Fourth Group, ANGUILLINA. 



4, ANGUILLA*. 



Murfena, sp., Artedi, Genet-a, p. 23. 

 Anguilla, {Thunhery) Chiv. Royne Anim. 

 Muraena, Bleeker, Atl. Ichth. Mur. p. 1. 



Small scales are imbedded in the skin. Upper jaw not projecting 



* 1. Anguilla eurystoma, Heck, cf- Kner, Siisswasserf. p. 325. — Dalmatia. 



2. Murasna serpentina, Lcsuetir, Journ. Ac. Nat. So. Philad. i. p. 81 . — Long 



Island, U.S. 



3. Anguilla avisotis, Bichards. Voy. Sulph. Fish. p. 104, pi. 51. fig. 1. — 



Canton. I hesitate to introduce this as a distinct species into the 

 system, as it is knovm from a figure only, and has not been actually 

 recognized in specimens. The distinctions between the species of eels 

 are so sliglit that a mere figure ought not to be niado the type of a spe- 

 cies, unless it is known to have been made under the eye of an expe- 

 rienced ichthyologist. 



4. clathrata, Bichards. Voy. Sulph. Ichthyol. p. 104. — Canton. 



5. fasciata, Kavp, Apod. p. 48, fig. 37. — Hab. — ? 



6. mucrops, Kaup, Apod. p. 49, fig. 38. — Hab. — ? 



7. Anguilla angustidens, Kaup, Apod. p. 49, fig. 39. — Hab. — ? 

 8. eurylfema, Kaup, Apod. p. 50, fig. 40. — Hab. — ? 



9. Murffina halmaherensis, Blec'k. Ned. Tydschr. Dierk. i. p. 159; or Atl. 



Ichthyol. Miirmn. p. 12, tab. 6. fig. 4. — Halmaheira. 



10. Anguilla cantori, Kaup, Apod. p. 52, fig. 46. — Bombay. 



11. Muraena macrocephala, Bapp, Jahresh. Vcr. Ntrk. Wiirttonb. 1849, 



p. 142, taf. 2.— Port Natal. 



