402 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 42. 



Family ACIPENSERIDiE. 



ACIPENSER MIKADO! Hilgendori. 



Otaru and Hakodate markets. 



A specimen from Otaru, 526 millimeters long, has 10. dorsal, 30 

 lateral, and 8 ventral plates. A stuffed skin from Hakodate 1,580 

 millimeters long has 10 dorsal, 33 lateral, and 9 ventral plates (8 on 

 one side). Interposed between some of the larger dorsal plates are 5 

 smaller ones, 3 of which have reached a considerable size and with 

 some additional growth might be enumerated with the others. 



The following measurements are of the Otaru example: Head, 3.4 

 in length to base of caudal; depth, 7; depth caudal peduncle, 8.8 m 

 head; snout, 1.7; eye, 14.5; interorbital space, 3.4; length pectoral, 

 2.2; height dorsal, 4.7; height anal, 4.2; length caudal, 1.3. 



Family PTEROTHRISSID^E. 



PTEROTHRISSUS GISSU Hilgendorf. 



Tokyo market. 



Family ALBULID^. 



ALBULA VULPES (Linnseus). 



Kagosliima market. 



Family DOROSOMATID.E. 



KONOSIRUS PUNCTATUS (Temininck and Schlegel). 



Tokyo, Misaki, and Kagoshima markets. 



FamUy CLUPEID^. 



STOLEPHORUS JAPONICUS (Houttuyn). 



Nagasaki market. 



AMBLYGASTER MELANOSTICTUM (Temminck and Schlegel). 



Otaru, Mororan, Tomakomai, Hakodate, and Misaki; taken near 

 shore in the seine. 



SARDINELLA ZUNASI (Bleeker.) 



Specimens were collected in the harbor at Nagasaki with the sur- 

 face net at night. The following proportional measurements are 

 from examples 120 millimeters long: Head, 4.2 in length to base of 

 caudal; depth, 3.3; depth caudal peduncle, 9.5; eye, 2.7 in head; 

 snout, 4.2; maxillary, 2.3; interorbital space, 4; D., 16; A., 18; 

 scales in lateral series, 40. There is a single row of very minute teeth 

 on each palatine bone, and a similar row on the hypobranchials, the 

 tongue being naked. Adipose eyelids are present and well developed. 



CLUPEA PALLASII Cuviei and Valenciennes. 



Otaru market; Tomakomai with seine. 



