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PISCES APODES. OPHIDIUM. 
No. XXXIX. 
Ophidium cirris duobus ad gulam; 'pinna dorsalis analisque caudali unita; pinna canda sells 
duabus brevibus terminata. 
The Ophidium with two cirri at the throat; the dorsal, anal, and caudal fins united, the 
latter terminating in two short threads. 
Called by the Natives Tonkah Talawaree. 
B. v. D. 223. P. 13. V. 0. A. 112. G. 10. 
The body linear, lanceolate, sword-form, covered with a thin smooth skin. 
The head small, short, obtuse, compressed. Mouth wide, no lips; jaws of equal length; a single row of 
small straight teeth in the fore part of both; behind which, in the under jaw, is a remarkably long, curved, 
tooth, on each side; there are two similar in form, but much shorter, in the upper jaw. The palate tuberculate. 
The tongue short, lanceolate, smooth, free. The eyes high, large, roundish. Nostrils double, distant. 
Opercula rounded, hardly moveable; branchial membrane exposed. From the posterior, inferior part of the 
throat, hang two thread-form cirri, above one inch in length. 
The trunk. The back straight, roundish; the throat carinate; the belly sharp, the tail a little compressed, 
pointed. No lateral line. The anus very near the head. 
The fins. The pectoral small, short, lancet-form; the dorsal and anal very long, and both united with the 
caudal, but in such a manner as to be distinguishable; the pointed caudal fin terminates in two short setaceous 
cirri. 
The colour was by some accident omitted in the description. 
The length one foot two inches. 
No. XL. 
Gymnetrus, capite cirris lougioribus cristato; cirris duobus loco pinnarum ventralium; pinna 
anali carens. 
The Gymnetrus, with a crest of long cirri on the head ; two cirri in the place of ventral 
fins; no anal fin. 
Called by the Natives 
B. V. D. 320. P. 11. V. 2. A. 0. C. 4. 
The body lanceolate, sword-form, smooth, without scales. 
The head very short, much compressed, not broader than the neck; the front declivous, carinate. 1 he 
vertex crowned with four or five cirri, distinct at the base, and for two inches and a half upward, they then 
unite, and form a thin, taper, setaceous tail, in all nearly ten inches in length. 
The mouth small, oblique, ascending, without lips; the cheeks membranous. The jaws extractile, without 
teeth, the upper a little longer than the under. The tongue small, sharp pointed, smooth, free. The palate 
smooth. Eyes large, round, not prominent, the pupil small. Nostrils double, the largest near the orbit, oval. 
