Zoology.} NATURAL HISTORY OF VICTORIA. [Fishes. 



be pressed in so as to give the most slender proportion indicated 

 above. There are two specimens in the Museum collection in 

 which the great dorsal spine is doubled, one on each side of the 

 midline. 



Our male specimen is from Warrnambool, presented by C. H. 

 Lay, Esq., (12^ ins. long), with distinct round brown spotting on 

 back and under dorsal fin, spots becoming larger and less distinct 

 on rest of bodv. Another in the collection is from over the 

 Lightning Rock, at Port Phillip Heads. 



Explanation of Figure. 



Plate 143. — Fig. 1, average female specimen, \ natural size. Fig. la, side view of teeth, twice 

 the natural size. Fig. \h. first dorsal spine, magnified twice the natural size (tip imperfect), 

 showing the anterior and posterior thorns and second ray in membrane at base. Fig. 1c, section 

 of first dorsal spine, three times the natural size. Fig. \d, skin-spines from near middle of side, 

 showing radiated base, slender stem and dilated, obliquely truncated upper end, magnified about 

 twentj times natural size. Fig. le, shorter and thicker spine, magnified about twenty times 

 natural size. Fig. If. ventral spine, three times the natural size. Fig ]g, skin-spines from 

 under pectoral, covered with soft skin, magnified twenty diameters. Fig. 1/;, very slender 

 spines, with diminished dilatation from near tail, magnified twenty diameters. Fig. 1?', some of 

 the skin- spines with the external soft skin shrunk from all but a small space near dilated tip, 

 magnified twenty diameters. Fig. 2, spine from another specimen, with the apex perfect, 

 showing the forward arch and second ray and membrane at base, natural size. Fig. 'la, section 

 of ditto, three times natural size. Fig. 2b, section of tail of same specimen to show the 

 " tooth-brush " lengthened spines on sides. 



Frederick McCoy. 



[163] 



