W'AiTE AND Hale — Lophobkanchiate Fishes 313 



as long as the trunk. Specimens are known from Corney Point, Pt. Lincoln, and 

 Flinders Is., the longest being 364 mm. 

 Hah. South Australia. 



PHYLLOPTERYX Swainson, 1839 (foliatus). 

 a. Profile of body sliglitly angular; ventral segmental spines short; 



foliate appendages usually simple . . . . . . . . foliatus 



aa. Profile of body extremely angular; ventral segmental spines long; 



foliate appendages multifid . . . . . . . . • . eqites 



PHYLLOPTERYX FOLIATUS Shaw. 



Syiignathus foliatus Shaw, Gen. Zoo!., v, 1804, p. 456, pi. clxxx. 



Syngnatbus taeniopterus Lacep., Ann. Mus., iv, 1804, p. (184-211), pi. Iviii, fig. 3. 



Phyllopteryx foliatus Swains., Nat. Hist. Fish., ii, 1839, p. 332, fig. 109; Kaup. 

 Cat. Lophob., 1856, p. 21; Gunth., P.Z.S., 1865, p. 327, pi. xiv and Cat. Fish. 

 Brit. Mus., viii, 1870, p. 196; Dum., Hist. Nat. Poiss., ii, 1870, p. 532; Macl., 

 P.L.S., N.S.W., vi, 1881, p. 301 ; McCoy, Prod. Zool. Vict., dec. vii, 1882, 

 pi. I.w, tig. 1; L)unck., Fauna Siulwest Aust., 11, 1909, p. 236. 



Pliilloptcry.v clonyatus Cast., P.Z.S., Vict., i, 1872, p. 243 and ii, 1873, p. 70. 



Phyllopteryx altus McCoy, Prod. Zool. \'ict., dec. vii, 1882, p. 20. 



Fig. 51- 



D. 27-33 (3b): P. 20-23 (^4): A.4: AnnuU 17-18 + 32-37: sub-dorsal annuli 

 1-2 + 5-b (7): brood annuli 0+17-19. 



Snout I '4 in the head: eye 7'i in the snout and 10 'i in the head in adult 

 examples. Tail 2-5 in the total length. 



Snout very long, three and one-half times as long as the postorbital portion 

 of the head, with a pair of small spines on the upper surface behind the middle 

 of its length: a small spine on the front edge of the orbit: supraorbital ridges 

 convergent before the eyes : two spines over each eye, the anterior one being 

 directed backwards, the other laterally : a small patch of bristle-like spines below 

 the hmder part of the orbit and a row of spines on the lower edge of the eye 

 occasionally present : occiput much elevated, terminating in a blunt spine which 

 bears a single appendage : opercles granulated, with raised lines radiating from 

 one or tw^o small spines: a pair of spines in front of the lower half of each pec- 

 toral base. A long nuchal sijine bearing an appendage : a similar pair on tlie 

 back behind the middle of the trunk and another pair midway between the ends 

 of the pectoral fins and the vent : a short, blunt spine on each side at the com- 

 mencement of the dorsal fin: fnur i)airs of compressed and often serrated spines 

 with appendages at equal intervals on the tail behind the dorsal fin ; one spine 



