BY W. MACLEAY, F.L.S. 41 



prolonged into long filaments. The middle of the sides silvery ; 

 the prolonged parts of the fins deep black ; ventrals white. 



Cape York. Length one and a-half inch. 



Genus Atherixichthys, Bleek. 



Characters of Athcrim, but -with the snout produced and the 

 cleft of the mouth not reaching the orbit. 



618. Atiieuixiciithys jacksoniana, Quoy & Gaim. 



Gunth., Cat. Fishes III., p. 402. 



D. 8. 1/11. A. 1/18. 



The spinous dorsal is above the interspace between the ventral 

 fins and the anal. The height of the body is one-ninth of the 

 total length. 



Port Jackson. Tasmania (Gunther\ 



G19. Atiieriniciitiiys Duboulayi, Casteln. 

 Proc. Linn. Soc. N.S. Wales, Vol. III., p. 143. 

 Eichmond Piver. 



620. Atiierixichthys modesta. Casteln. 



Proc. Zool. Soc, Victoria, Vol. I., p. 136. 



D. 6. 1/9. A. 1/10. L. lat. 40. 



Height of body five times and a-half in the total length, length 

 of head four times and a-quarter ; diameter of eye three times 

 in the length of the head, and considerably more than the length 

 of the snout ; mouth protractile ; scales large. The distance from 

 the origin of the first dorsal fin to the snout is equal to that from 

 the termination of the same fin to the origin of the caudal ; from 

 the origin of the first dorsal to that of the second, the distance is 

 equal to that between the origin of the second dorsal and the 

 base of the caudal ; the height of the first dorsal is equal to the 

 distance from the point of the snout to the centre of the eye ; the 



