355 



a single row of smaller ones, on the intermaxillary plate a 

 peripheral series and a mesial row of about 4 depressible teeth. 



Fig. 174. Thyrsoidea macrurus (Blkr.). X Vc- 



Distribution: That of the single species known, 

 i. Thyrsoidea macrurus (Blkr.). 



Muraena macrurus Bleeker, Nat. Tijdschr. Ned. Indie VII. 1854, p. 324. 

 Thyrsoidea longissima Kaup, Cat. Apodal Fish 1856, p. 82. 

 Thyrsoidea macrurus Bleeker, Atl. Ichth. IV. 1864, p. ill. 

 Thyrsoidea macrurus Kner, Fische Novara-Exped., 1865 67. p. 386. 

 Muraena macrurus Giinther, Cat. Brit. Mus. VIII. 1870, p. 127. 

 Muraena macrura Day, Fish. India 4. 1878 88, p. 672. 



Muraena macrurus Perugia, Ann. Mus. Civ. Geneva XIII. (XXXIII). 1893, p. 255. 

 Evenchelys macrurus Jordan & Evermann, Proc. U. S. Nat. Mus. XXV. 1902, p. 327. 

 Rhabdura macrura Douglas Ogilby, Proc. Royal Soc. Queensland XX. 1906, p. 13. 

 Muraena macrurus Max Weber, Nova Guinea V. Livr. 2, 1908, p. 227. 

 Muraena macrurus Giinther, Fische d. Siidsee, Heft IX. 1910, p. 421. 

 Evenchelys macrurus Fowler, Proc. Acad. Nat. Science Philad. LX1V. 1912, p. 2O. 

 Rhabdura macrura Max Weber, Siboga-Expeditie, Fische 1913^ P- 5^- 



Height 38 47, head 10 14, 3 4 in trunk. Head and trunk 

 1.5 2 in tail. Eye 20 27, more than twice in snout. Gill- 

 openings wider than eye. Gape of mouth 2.6 -3.4 in head. 

 Maxillaries with 16 20 teeth in the outer row and about 10 

 longer teeth in the inner row. Peripheral series on intermaxil- 

 lary plate consisting of about 14 teeth, which are irregularly 

 placed; some of them are much smaller than the others; 

 mesially 3 or 4 large depressible fangs. Vomer with a single 

 series of 8 -or 9 small teeth. In the mandibles on each side 

 an outer series of 20 24 nearly equal teeth, anteriorly with 



