W'AITE AND HaI.K — L( il'Hi )i;K ANCIUATE I'lJ-IU'. 



3J1 



in UiL' head : cn c 



Fig' 55- 



D.17 (16): F.16 (15): A. 4: Aninili 11+34-36 {33}: sub-dnrsal ;inmili 3 (i) 4- 1 

 brood annul I 14-4. 



Head I -2 in the trunk and 5-3 in the total length: snout 

 3-5 in the snout and 7-0 in the head. Trunk 4 -3 in the total. 



Snout as long as the rest of the head : the supra- 

 orbital ridges eonverge to form a slight elevation in 

 fi'iint of the eyes and eaeh terminates posteriori}- in 

 a low, lilunt si)ine o\'er the himler mai\gin of the 

 eve: narrowest interorbital space ec|ual to half the 

 diameter of the eye: one or two low protuberances 

 on the anterior profile of the ci impressed occiput: 

 coronet with five or si.x Ijlunt points : opercle with 

 faintlv raised lines radiating from a knob behind 

 the eve. a blunt spine or. the up])er angle and three 

 others on the hinder margin. Nuchal crest higli. 

 J')od\' three and one-third times deeper than wide: 

 the upper body ridge terminates l)elow the end of 

 the dorsal fin : upper caudal ridge commences on the 

 ninth or tenth body scute and forms the upper angle 

 of the tail, which is cjuadrangular in section : media:! 

 lateral ridge continuous with lower caudal ridge: 

 lower lateral and ventral ridges terminate at 

 the \ent. Edges of each scute ridged, the ridges 

 produced as blunt spines or protulierances at the ])oinl^ of intersection witli the 

 angles of the body: every third or fdurth spine on the ilorsal prollle more pro- 

 nounced; in old examples all the spines are markedl\- obtuse. .Spencer (iulf. 



Cdloitrs. Specimens examined Ijleached. 



//,(/'. South Australia. \'ictoria. and Xew South Wales. 



HIPPOCAMPUS BREVICEPS Peters. 



I fippdiiimpiis hrcricchs T'etei's, .Mon. Akad. Wiss. I'.erlin, iSfn;, p. 710; Dum,, 



Hist. Nat. Poiss., ii, 1870, p. 5J1: Cunub., Cm. bisb. Uru. Miis., \ni, ISji), p. 



-200; Cast., P.Z.S.. \'ict., i, 1X72. p. OjN; Mad., I'.L.S.. X.S.W".. vi, oSSi. p. 



305: McCoy, 1^-od. Zool, \'ict., dec. vii. iSSj. pi. lx\-, fig. 2: Dunck.. b'amia 



Siidwest Aust., n, I'rMjy, p, i47. 

 Hi['pocainpiis tiihcrciilatiis Last.. Res. ImsIi. .\nst., 1S75, p. 48. 



