784 ON SOME AUSTRALIAN ELEOTRIN.E, 



modern requirements, and in a publication which is likely to be 

 accessible to all working ichthyologists, is a much needed desider- 

 atum. 



The genus Carassiojjs* may be amended and conveniently sub- 

 divided as follows : — 



Snout scaly ; dorsal spines six ; caudal peduncle long and 

 slender; vertebrae 25 



Caulichthys;! type guentheri. 



Snout naked; dorsal spines six; caudal peduncle short and deep; 

 vertebrae 25 ... 



Carassiops;! type compressus. 



Snout naked; dorsal spines seven or eight; caudal peduncle 

 long and slender; vertebrae 30-31 ... 



AusTROGOBio; type galii. 



Appended is a list of the species which appear to belong to 



this genus : — 



Carassiops. 



1. co7npresstis, Krefft, Proc. Zool. Soc. London, 18G4, p. 184, 



Clarence River. 



2. brevirostris, Steindachner, Sitzb. Ak. Wien, Ivi. i. 1867, p. 314, 



Cape York. 



3. retictdatus, Klunzinger, Sitzb. Ak. Wien, Ixxx. i. 1880, 



p. 385, Port Darwin. 



4. elevatus, Macleay, Proc. Linn. Soc. .N.S. Wales, v. 1881, 



p. 622, Port Darwin. 



5. longi, Ogilby, Proc. Linn. Soc. N.S. Wales, xxi. 1897, p. 733, 



George's River. 



6. cyanostigma, Bleeker, Kokos, iv. p. 452, 1855, Kokos. 



* Carassiops, Ogilby, Proc. Linn. Soc. N.S. Wales, xxi. 1897, p. 732. 



t KuvKos, a stalk or peduncle; '(■x^vs, a fish. 



X Auster, south; Gobio, a genus of cyprinoid fishes, of which the European 

 Gudgeon (O. gobio) is the type. 



