300 Records of the S.A. Museum 



above and on the sides but iid dark bars. Back and sides of the body and lower 

 surface of tail with numerous small white dots. Ovisac brown, largely streaked 

 with white, a large irregular, white blotch below each scute. 



Several other examples fmni the same localitv yield the follnwing variation 

 in the formulae : 



D.18-20: Annul! 16-17 + 41-43: sub-dorsal annuli 0-14-4-5. 



The eggs are ]:)laced in two rows in the ovisac, 



Hab. South Australia. 



SYNGNATHUS CURTIROSTRIS Castelnau, 



Sytignathiis ciirtirostris Cast.. P.Z.S., \'ict,. i. 1S72. p. 243 and ii. 1873, p. 79; 

 Macl., P.L.S., N.S.W.. vi. 1881. p. i90: Dunck., Fauna Siidwest Aust., ii, 

 iqoQ, p. 244; McCull. and W'aite. Rec. S.A. Mus.. i. 1918. p. 39. pi. v. fig. i. 



Fig. 42. 



D.21-_'4 (20): P.S-9: A. 3: CIO: .\nnuH 18-194-43-44 (421: sub-dorsal annuli 

 0-14-4-5: brood annuli 04-16. 



Snout 2-^ to 27 in the head: eye i '8 in the snout and 50 in the head: 

 head 3-0 to 3-5 in the trunk and 1 1 2 in the total length. (In describing this 

 species Castelnau remarks: ".Snnut .... only once and a half in the orbit"': 

 this should be read as: orbit 1 -3 in the snout.) 



Snout about as long as the postorbital portion of the head, with a low crest : 

 interorbital space sligiitly concave, convex on the median line: head with reticu- 



5'¥ «'i'S-» a"* a 4:r*Vii. <-.»'^^ 



Fig. 42. Syiti^itathiis ciirtirosfn's. 



lating raised lines : opercle with radiating series of raised lines but no keel : 

 supraorbital, occipital and nuchal ridges feeble. Body a little deeper than wide, 

 its depth equal to the length of the snout : angles well defined : upper body ridge 

 extends to below the hinder part of the dorsal fin : median ridge terminates above 

 the vent, below the origin of the upper caudal ridge: lower lateral ridge con- 

 tinuous: ventral surface a little wider than that of the dorsal. Caudal fin 

 rounded, longer than the eye. Specimens collected from Spencer Gulf by Sir 



