80 ' GOBIID.E. 



3. LATRUNCULUS. 



Body rather elongate, covered with deciduous cycloid scales of 

 moderate size ; gill-openings rather ■wide. Cleft of the mouth very 

 wide ; jaws with a scries of long teeth, and with strong canine teeth ; 

 the upper jaw Avith a second series, which is formed by the canine 

 teeth. Two dorsal fins, the fii-st composed of five sijines. Ventral fins 

 united, not adherent to the belly. Pseudobranehise. VertebrHe 11/16. 



Coasts of Scotland. 



This genus is much more closely allied to Apocryptes than to 

 Gobius, its dentition differing from that of the former only in the 

 arrangement of the canine teeth. The form of the teeth of the 

 outer seiies is exactly that which we observe in Apocrnptes ; but 

 there is a second short series behind it, formed by two groups of 

 strong and curved canine teeth, each group occiipjang the front 

 part of the intermaxillary. The teeth of the lower jaw arc sub- 

 horizontal ; a strong, curved canine tooth is placed interiorly to the 

 end of the series of outer teeth. 



Apocryptes hrachypterns, Bleek., appears to have more affinity 

 to this genus than to the typical species of Apocryptes. 



1. Latnmculus albus. 



The White Goby. 



Gobius albus, Parnell in Trans. Roy. Sac. JSdinb. xiv. 1887, and in 



Siippl. Mist. Brit. Fishes, p. 27; Yarrell, Brit. I'ishes, 2nd edit. i. 



p. 295, 3rd edit. ii. p. 333. 



^•^\h ^-h- Vert. 11/16. 

 The interorbital space is wider than the eye; the ventral does 

 not extend on to the vent. Transparent. 

 Solway Frith ; Frith of Forth. 



a. Many specimens. Solway Frith. 



h,c-g. Frith of Forth. 



7i. From the Collection of the Zoological Society. 



4. APOCRYPTES. 



Apocryptes, Ciiv. 4' Val xii. p. 142. 



Body elongate, covered with small scales, which become larger 

 posteriorly; gill-openings of moderate width. Teeth in a single 

 series, conical and fixed, with canines in both the jaws, or at least 

 in the lower. The spinous portion of the dorsal fin separated from 

 or continuous with the soft, composed of five or six spines. Ventral 

 fins united, not adherent to the belly. Pseudobranchiae rudimentary. 

 Vertebrae 12/15. 



East Indian Seas and fresh waters. 



1. Apocryptes lanceolatus. 



Eleotris lanceolata, Bl. Schn. p. 67. tab. 15. 



Gobius cliangua, Buch. Ham. pp. 41, .305. pi. 5. fig. 10. 



