MCCULLOCH. 83 



Suborder Gobioidea. 

 CXL. Family Gobiidae. 



A. Ventral fins more or less united, with an anterior membrane connecting their 

 spines. Subfam. Gobiinae (307-312). 



AA. Ventral fins separate, no anterior membrane between their spines. 



Subfam. Electrinae (313-317). 



Subfamily Gobiinae. 

 A. Soft dorsal and anal short, free from the caudal. 



B. Head with prominent raised papillose ridges. Callogobius (311 1. 



BB. Head with only microscopic papillae in rows. 



C. Upper pectoral rays forming free filaments. Bathygobius (308). 



CC. Upper pectoral rays normal, not free. 



D. Scales larger, 50 or less in a longitudinal row. 



E. Operculum naked. Gobius (309). 



EE. Operculum scaly. 



F. 30 or less scales between operculum and tail. 



Gobius australis (309a). 

 FF. 31-47 scales between operculum and tail. 



Mujilogobius (307). 

 DD. Scales smaller, about 90 in a longitudinal row. 



Cryptoeentrus (310). 

 AA. Soft dorsal and anal long, partly united %\ith the caudal; D.VI./38-48. 



Leme (312). 



307. Mugilogobius Smitt, Ofv. Vet. Akad. Forh., 1899, p. 543 {abei). 

 307a. M. devisi. Id, MeCulloch & Ogilby, Rec. Austr. Mus. xii., 10, 1919, 



p. 223, pi. 36, 2. 

 Specimens in the Australian Museum were collected near Trial Bay by Mr. 

 J. R. Kinghorn, Jan. 1920. Length nearly 2 inches. 



308. Bathygobius Bleeker, Arch. Neerl. Sci. Nat., xiii., 1878, p. 54 



(nebulopunctatus) . 

 308a. B. krefftii. Gobius krefftii Steindachner, Sitzb. Akad. Wiss. Wien. 

 liii. i., 1866, p. 451. Mapo krefftii MeCulloch & Ogilby, Rec. Austr. 

 Mus. xii. 10, 1919, p. 234, pi. 33, 4 (PL xxxv.). 

 Abundant in inlets along the coast. Length about 3 inches. 

 The specimen recorded by Gunther, Challenger Zool. i., 1880, p. 28, as G. 

 elbopunctatus Cuv. & Val., from Port Jackson, is evidently referable to B. 

 krefftii. 



309. Gobius Linne, Syst. Nat. 10th. ed., 1758, p. 262 (niger). 



None of the following species are referable to Gobius in its restricted sense, 

 but are retained within the genus until their true generic positions can be deter- 

 mined. 



A. Operculum scaly; head much compressed in adults. australis (309a). 



AA. Operculum naked; head not compressed. 

 B. Nape and greater portion of neck naked. 



C. Breast and base of pectoral naked. lidwllli (309b). 



CC. Breast and base of pectoral scaly. 



D. Upper surface of head without spots: dorsal fins longitudinally 



banded. bifrenatus (309c). 



DD. Upper surface of head with dark spots; dorsal fin with oblique 



rows of grey spots. semifrenaius (309d). 



DDD. G. frenatus apparently comes near here. fremitus (309e). 



BB. Nape and neck scaly. lateralis, var. obliqus (309fl. 



309a. G. australis. Gillichtlujs australis Ogilby. P.L.S. N.S.W. (2) ix., 

 1894, p. 367. Gobitis australis MeCulloch, Reo. Austr. Mus. xi. 7, 1917, 

 p. 187, pi. 31, 3 (PI. xxxv.). 



