ol6 



KKl'OKT ON FISHES. PART I : CUBITIDAE 



6. 



a.. 



Figure 7. Alimentary canal and air-bladder of a male specimen of Nemachilus hutchinsoni, sp. nov. X 4. 



a: alimentary canal ; h: air-bladder. 



cdiistricted to form two cliainl)ers, lies free in tlic alidnniinal cavity. The two anterior 

 chambers are connected by a short tube and the anterior and jjosterior parts of tlie bladder 

 are connected by a short tube. In a male specimen about 90 mm. in total length the 

 measurements of the bladder are as follows : 



Total lcn!,nli of bladder 21.60 mm. 



Length of posterior part 18.40 mm. 



Width of anterior ])art 7.00 mm. 



Width of ])ostcrior ])art 4.80 mm. 



Transverse diameter of each anterior chamber .... 3.20 mm. 



I^ength of tube between two anterior chambers .... 0.66 mm. 



Length of tube between two parts of bladder 0.90 mm. 



