318 



Records or thk S.A. Museum 



Mi'le. Snntit V- in ihc- head: eye i -3 in the siumt and 5-0 in tlu' head: 

 head I 7 in tlie trunk, which i> 1 4 in the tail 



Snout two-thirds as long as the postorbital portion of the head, supraorbital 

 spines triangular, compressed, sharp, without filaments : spine in front of the eyes 

 extremely small : a few filaments on the body and tail spines Init none on the head. 

 Upper lateral ridge on one side of the body continuotis witli upjier caudal ridge; 

 that on (jther side not continuous and terminating Ijelow the middle of the dursal 

 nn as m the female example. Ilody three times as ilee]) as wide. 



An example 4(1 mm. in tcifjl length from the same locality? 



Colours. The colours of lioth specimens are completely bleached after Inng 

 immersion in spirit. 



The genus was named from specimens ol)tained in Japan and was recognized 

 from India l)y Day. who identified his specimens with the same species (A. 

 /iracilissi)na ) . It may be doubted if the species are identical. .Ours appears to be 

 ilitTerent, the dorsal edges b'ciiig not continuous with the tail whereas in . /. 

 grinilissimti they are said to be unlir. ken: the nunilier of boil\- rings is perhaps 

 :dso different. 



Hi'h. .Soulh .\ustraH;i. 



HIPPOCAMPUS Raf^nesque, ISIO ( hiiipncampus). 



. . alnioiiiiiidlis 



a. Dorsal rays 26-31 on ;d)out 7 :unnili .. 

 aa. Dorsal rays i(i-2.> on 3 to 3 annuli 

 li. .'^nout long. h:df IJie he;id 

 1)1). Snout sliorter. one-third ibe liead 



nuriir-liollaiuliac 



