GOB I US. 



25 



Body cylindrical or feebly compressed ; depth of body 4^ to 5} 2 times 

 in total length, length of head 3 to 3^ times. Head If to 2 times as 

 long as broad, naked except the occiput; snout depressed, 1£ (young) 

 to 2\ times as long as eye, which is 4| (young) to 7| times in length of 

 head and equals interorbital width in adult ; lower jaw projecting ; 

 mouth extending to below anterior border or anterior third of eye; 

 teeth in a narrow band, outer strongly enlarged and widely spaced. 

 Dorsals VI, I 9, narrowly separated from each other, longest ray \ to 

 § length of head. Anal I 8, opposite to dorsal. Pectoral -f to % length 

 of head. Ventral with a broad basal membrane, its extremity not 

 reaching vent. Caudal rounded, as long as or a little shorter than 

 head. Caudal peduncle about twice as long as deep. Scales ciliated, 

 30-36 in longitudinal series, 9-11 in transverse series between dorsal 

 and anal. Olive-brown above, with or without dark longitudinal 





Gobius giuris. 

 Type of G. platycephalus, after Peters (Eeise Mossamb.). \. 



streaks and with large dark blotches, some of which usually form a 

 regular series along each side ; pectoral, dorsal, and caudal fins with 

 dark spots which may be confluent into bars. 



Total length 320 millim. 



Coasts and fresh waters of East and South Africa to India, Southern 

 China, and the Malay Archipelago. 



1- 



-2. Ad. 



& ligr. 



3- 



4. Hgr 



•• & yg- 



5. 



Ad. 





6. 



Yg- 





7. 



Yg- 





8. 



Ad. 





9. 



Hgr. 





10. 



Ad. 





Zanzibar. 



Rovuma R., 60 miles from coast. 



Durban, Natal, in fresh water. 



11 '5 11 



Baakens River, Port Elizabeth. 

 Tamatave, Madagascar. 

 Imerina, ,, 



Mahanora, ,, 



Sir L. Playfair (P.). 

 Sir J. Kirk (P.). 

 Rev. N. Abraham (P.). 

 J. F. Quekett, Esq. (P.). 

 0. West, Esq. (P.). 

 Paris Museum (E.). 

 Rev. R. Baron (C). 



