. The Australian zoologist. Zoology; Zoology; Zoology. WHITLEY. 409 Ammotretis ovalis Synaptura armata Synaptura inermis Paraplagusia brevirostris Neoodax nebulosus = Ammotretis rostratus. = Synaptura nigra. = Synaptura nigra. = P. unicolor. = Olisthops cyanomelas. Family Tachysurldae. Genus Tachysurus Lacepede, 1803. Pararius, subg. nov. Orthotype, Arius proximus Ogilby, as identified and figured below. Also includes Arius graeffei Kner and Steindachner. Casque weakly granular, mostly concealed by skin. Fontanelle lance- olate. Eyes with margins free, situated behind level of mouth. Two pairs
. The Australian zoologist. Zoology; Zoology; Zoology. WHITLEY. 409 Ammotretis ovalis Synaptura armata Synaptura inermis Paraplagusia brevirostris Neoodax nebulosus = Ammotretis rostratus. = Synaptura nigra. = Synaptura nigra. = P. unicolor. = Olisthops cyanomelas. Family Tachysurldae. Genus Tachysurus Lacepede, 1803. Pararius, subg. nov. Orthotype, Arius proximus Ogilby, as identified and figured below. Also includes Arius graeffei Kner and Steindachner. Casque weakly granular, mostly concealed by skin. Fontanelle lance- olate. Eyes with margins free, situated behind level of mouth. Two pairs of nostrils, the posterior with large flap. Villiform teeth on jaws and palate, the latter not extending backwards as in Netuma. Six barbels. Gill- membranes united across isthmus. Interdorsal space greater than length of head. Adipose dorsal fin small, over posterior part of anal base (in typical Tachysurus it is described as being similar in size and form to the anal). Anal margin concave (not convex as in Hexanematichthys), the fin having fifteen rays (instead of about 20 as in Pimelodus arius, the tautotype of Arius Cuv. & Val.). Tachysurus (Pararius) proximus (Ogilby). (Fig. 16.) ? Arius graeffei Kner & Steindachner, Sitzungsb. Ak. Wiss. Wien., liv., 1866 (1867), p. 383, fig. 12. "Samoa". Arius proximus Ogilby, Proc. Linn. Soc. Wales, xxiii., December, 1898, p. 280. Port Darwin. Arius (Tachysurus) graeffei Paradice & Whitley, Mem. Qld. Mus., ix., 1927, pp. 80 and 97. Sir Edward Pellew Group. ; A., 15; 10; V., 6; C, GPW Fig. 16. Sea Catfish, Tachysurus (Pararius) proximus. Teeth from a second specimen. Head (55 mm.) 4, depth (49) 4£ in length to end of middle caudal rays (225). Width of head (42) subequal to its height. Eye, mm.; inter- orbital, 29; snout, 16; width of mouth-opening, 25; maxillary barbel, 39; mandibulary barbel, 28; mental barbel, 20; predorsal length, 75; interdorsal, 70; pectoral spine, 36; depth of caudal
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1914
