356 
PROCEEDINGS OF THE NATIONAL MUSEUM. 
of both sexes taken by us in Koajiro Bay, near Misaki, where the 
species is locally very abundant. It has not been seen elsewhere save 
on the island of Okishinia in the Japan Sea, whence one male example 
was received from Dr. K. Kishinouye, and from the island of Tsushima 
in the Korean Straits, where one female example was taken by Mr. 
, 4 ..iC-^ ■.:,.-, 
'/Z^a. 
Fig. 1.— Neoditrema ransonneti. 
P. L. eTouy. The original types, female, found by Baron Eansonnet 
in the market of Yokohama, doubtless came from Misaki. The native 
name at Okishima is Ne. At Misaki it is called Okitanago, or offshore 
surf -fish. The largest example (from Okishima) is but 100 mm. long. 
Measurements of Neoditrema ransonneti. 
Length in millimeters 
Head in hundredths of length . 
Depth 
Snout to dorsal 
Snout to anal 
Depth of caudal peduncle , 
Snout 
Eye 
Tip of snout to end of maxillary 
Width of interorbital space 
Length of dorsal fin 
Length of anal fin 
Height of longest dorsal spine. . 
Height of longest dorsal ray 
Height of longest anal spine 
Height of longest anal ray 
Length of pectoral fin ..." 
Length of caudal fin 
Length of ventral fin 
Number of scales 
Number of dorsal rays 
Number of anal rays. 
Number of pectoral rays , 
Locality 
100 
28 
31 
36 
61 
11 
Oki 
28 
19i 
6-72-16 
VII, 20 
111,20 
1,19 
Island 
DITREMA Schlegel. 
D'drema Schlegel, Fauna Japonica, Poiss., 1846, p. 77, pi. xl, fig. 2 {temm'mcki). 
Body oblong, more or less elevated, somewhat compressed, the cau- 
dal peduncle robust. Head moderate, the jaw included. Lips mod- 
erate, the lower attached b}" a frenum at the chin. Maxillary short, 
