NO. 1293. JAPANESE BLENNOID FISHES— JORDAN AND SNYDER. 497 



Described from a single specimen 255 mm. long from Otaru, 

 Hokkaido. The specimen was kindly loaned to us by Mr. S. Nozawa, 

 director of the fisheries bureau at Sapporo, for whom we take pleasure 

 in naming the species. 



2S. DINOGUNELLUS Herzenstein. 



Dinof/undlus YlERZESSTEiti, Melanges Biologiques, 1890, p. 121 (grigorjewi)) . 



General characters of Stichaius, the body more robust, the head 

 strongly depressed, the eyes small, directed upward, the mouth very 

 wide. Lateral line single, of vertical pairs of pores, ceasing near 

 base of caudal. The validity of this genus may be questioned. 



[deivoz, terrible; GunelhiK). 



40. DINOGUNELLUS GRIGORJEWI (Herzenstein). 

 NAGAZUKA. 



Stich.Tus grigurjewi Herzenstein, Melanges Biologiques, 1890, p. 119, "Mori on 

 Volcano Bay" (probably Mororan). 



Head 5^ in length; depth <S^; depth of caudal peduncle 5 in head; 

 e^'e 13i; interorbital space 10; snout 6i; D. LVI, A. I, 43. 



Fig. 27.— DINOGUNELLUS grigorjewi. 



Head large, greatly depressed, long and pointed. Eyes small, far 

 forward, high in head, directed obliquely upward. Interorljital space 

 concave. Mouth large, oblicjue, lower jaw projecting beyond the 

 upper, maxillary extending far l^eyond eye, its length 2^ in head. 

 Lips large, the lower one thickened anteriorl3^ Teeth in bands on 

 jaws, those in upper jaw minute, in narrow bands, those below larger, 

 2 narrow toothed areas extending forward at symphysis; teeth on 

 vomer small, blunt; those on palatines enlarged, luiequal in size, the 

 largest about as long as diameter of pupil. Gill-membranes united 

 extending forward below, forming a V-shapod fold acro.ss the isthmus. 

 Pseudobranchiai large; gill-rakers very short, flat, covered with stiff 

 ceta?. Nostrils with short tubes. No filaments on head. 



Body with miiuite, elongate, smooth .scales; membrane of posterior 

 part of dorsal and of basal part of caudal with scales; head naked. 

 Lateral line with 2 rows of pores, extendmg along upper part of body, 

 ending before reaching caudal fin. 



Proc. N. M. vol. XXV— 02 32 



