'38 



S. TAX A K A : FISHES I' ROM SHINANO. 



to root of middle caudal rays, but in two specimens 6.',. Head about 

 3- Judging from the large series of specimens before me, Rhinogobius 

 nagoyce Jordan & Scale seems to be identical with Ctenogobius similis. 

 In this connection I may state that Ctenogobius katonis Tanaka 

 very closely resembles the present species, but, whether the two species 

 arc identical or not, needs to be decided by further investigations. 

 Color variable to a comparatively large extent ; some specimens have 

 dark ground color without distinct marking, while others are of a 

 lighter color and show distinct cross-blotches. 



April, 1909. 



