262 Annals of the Carnegie Museum. 



anal around the tail. Pectorals well-developed. (Jordan & Snyder.) 

 Distribution: Cosmopolitan, but not extending into the arctic regions. 



Synopsis of the Formosan Species. 



A. Mandibulary band of teeth is longitudinally divided by a groove, the outer 



strip containing a series of somewhat larger teeth. 

 a. Length of head less than the distance between the origins of dorsal and 



anal maiiriliana. 



aa. Length of head longer than the distance between the origins of dorsal and 

 anal japonica. 



B. Mandibulary teeth in narrow bands, without longitudinal groove. 



a. Angle of mouth below the posterior margin of eye\ lips thick, .sineyisis. 



50. Anguilla mauritiana Bennett. 

 Ounagi (Japan); Roma (Formosa). 



1831. Anguilla mauritiana Bennett, Proc. Comm. Zool. Soc, p. 128. — Gunther, 

 Cat. Fish. VIH, 1870, p. 25; East Indian Ocean and Archipelago; Formosa, 

 Amboyna; Almorah; Cejion; Philippine Islands; Islands of Johanna. — 

 Jordan & Evermann, Proc. U. S. Nat. Mus., XXV, 1903, p. 325; Kotosho, 

 Formosa. — Evermann & Seale, Bull. U. S. Bur. Fish., XX\'I, 1907, p. 56; 

 Tarlac. — Jordan & Richardson, Bull. U. S. Bur. Fish., XXVII, 1908, 

 p. 238; Calayan, Mindoro. — Seale & Bean, Proc. U. S. Nat. Mus., XXXIII, 

 1907, p. 239, Zamboanga. — Ishikawa, Journ. Coll. Agric. Tokyo, IV, 1914, 

 p. 427; Japan proper; Bonin Island. 



1864. Murana maculata Bleeker, Ned. Tydschr. Dierk. I, p. 237. 



1864. Murana manilensis Bleeker, Atl. Ichthyol. IV, p. 10; Manila. — Jordan & 

 Everm,\nn, Proc. U. S. Nat. Mus., XXV, 1903, p. 325; Kotosho, Formosa. 

 — Jord.^n & RiCH.\RDSON, Mem. Carneg. Mus., IV, no. 4, 1909, p. 171, 

 Kotosho. 



1867. Anguilla (Murcena) marmovala Kner, Novara Fisch., Ill, p. 369; Hongkong. 



Length of head 6.05 in the total length, .89 in the distance of the 

 gill-opening from the origin of the dorsal, 1.68 in its distance from the 

 vent; distance between origin of dorsal and anal slightly longer than 

 head, length of head contained 1.03 in the former; distance from tip of 

 snout to the origin of dorsal 3.03 in total length; length of the pectoral 

 3.64 in head; snout 4.77; length of upper jaw 2.7; diameter of eye 2.6 

 in snout, 2.4 in interorbital space; height of bod\' in front of anus 

 15.62 in total length; length of pre-anal part 1.03 in post-anal part. 



Body stout; angle of mouth extending far beyond the posterior 

 margin of orbit; lips well developed, fleshy; jaws subequal; teeth on 

 both jaws, maxillary and mandibular teeth divided by a longitudinal 

 groove into two strips, teeth on both rows in a single series, those on 

 the outer row larger; palate with a band of sub-equal, villiform teeth, 



