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of teeth are both without an edentulous longitudinal groove. 

 Olive green above, sides silvery, ventral surface yellowish white. 

 Length of single known specimen 575 mm. [After Kaup and 

 kind information of Dr. Pellegrin of the Paris Museum]. 



Habitat: Borneo (the single known specimen in the 

 Paris Museum). 



5. Anguilla spengeli M. Web. 



Angtiilla inalguiiiora Schlegel, (Museum Lugd. Batav.). 



Anguilla mowa Bleeker, Verb. Bat. Gen. vol. XXV. 1853, Muraenoiden, p. 16 (p.p.). 

 Muracna malgtunora Bleeker, Atl. Ichth. vol. IV. 1864, p. 11 (nee Kaup). 

 Anguilla {Murac?ia) malgumora Kner, Novara Exp. I. Fische 1865 — 1867, p. 367 



(nee Kaup). 

 Anguilla spengeli Max Weber, Zoolog. Jahrb. Suppl. XV. Bd. i, 1912, p. 591. 



Height about 17—18, head 64/5—8. Eye 5V5— 7> 1V3— ^'A 

 in interorbital space, touches the maxillary, only slightly shorter 

 than the snout, which goes 5 — 5 '/a times in head. Gape ot 

 mouth 3 '/a — 4 in head, reaching to middle of eye or to hinder- 

 half of pupil. Length of head about twice in its distance from 

 anus; origin of dorsal is situated at a very short distance before 

 it '). Pectorals about 2^\^ — 2-/3 in head. Snout shorter than broad 

 at its base. Tail only '/^ or '/s of its length longer than head 

 and trunk. Teeth equal, those in the upper jaw in two broad 

 bands, which do not much taper posteriorly. They are scarcely 

 separated by an indistinct interspace from the broad vomerine 

 band of teeth, which scarcely tapers posteriorly and reaches 

 as far as the maxillary bands. Bands in the upper jaw also 

 broad, not much tapering posteriorly. Any trace of a longi- 

 tudinal edentulous groove is missing. Light below, dark above. 

 Length about 600 mm. 



Habitat: Simalur!; Nias!; Java (Batavia, Tjikandi); Borneo 

 (Balik Papan !). — Australia, according to Kner, without nearer 

 specification of habitat. 



6. Anguilla australis Rich. 



Anguilla australis Richardson, Proc. Zool. Soc. London, 1841, p. 22. — Trans. Zool. 

 See. London, vol. III. 1849, P- I57' — Voy. Erebus & Terror, Prt. 2, Fishes, 

 1844, p. 112. 



l) We have a specimen of 320 mm. length from the Island Simalur, collected 

 by Mr. E. Jacobson, in which the origin of the dorsal is 8 mm. behind the 

 anus. This is also the case in Anguilla dussumieri Kaup, but in that species 

 the eye is much smaller and far before the corner of the mouth. 



