60 
PROCEEDINGS OF THE NA TIONAL MUSEUM. 
Measurements of Clenogohms gymnauchen. 
Length in millimeters 
Depth expressed in hundredths of length. 
Depth of caudal peduncle 
Length of head 
Length of mouth 
Lengtii i)f maxillary 
Widtli of iuterorbital space 
Diami'ter of (irliit 
Distance from snout to spinous dorsal 
Distance from snout to soft dorsal 
Height ( if 1( ingest (h irsal spines (i 
Height (if longest dursal rays 
Distance from snciut to anal tin 
Height of IdUgest anal rays 
Length of caudal peduncle 
Length <if caudal tin 
Lengt li ( if iiectoral tin 
Length df ventral tin 
Nuudierof dorsal s] lines 
Numlierof dorsal rays 
Number of anal rays 
Nuudierof ]iectoral rays 
Number of scales in lateral series 
Number of scales in transverse series 
Locality, Tokyo. 
57 
50 
46 
52 
43 
14 
13i 
17 
16 
16 
9 
8 
8 
8 
8i 
26 
26i 
26i 
27 
28 
7 
Ci 
6i 
7 
74 
9i 
91 
9 
9i 
9 
(li 
Gi 
6i 
7 
34 
33 
36 
34 
36 
53 
54 
54 
51 
56 
37 
21 
23 
33 
14 
27 
27 
21 
25 
15 
55 
564 
54 
55 
57 
25 
22 
17 
23 
14 
19 
21 
22 
22 
20 
2S 
31 
28 
27 
26 
2fi 
25 
22 
24 
23 
25 
25 
24 
25 
25 
G 
6 
6 
6 
6 
10 
10 
10 
10 
10 
10 
10 
10 
10 
10 
If) 
16 
IG 
17 
16 
23 
24 
26 
25 
27 
(i 
G 
6 
6 
/ 
a Including filaments. 
14. CTENOGOBIUS HADROPTERUS Jordan and Snyder, new species. 
Head 3^ in length; depth 4i; depth of caudal peduncle 2^ in head; 
eye-1; snout 2f; maxillary 2f; D. Vl-9; A. 1); P. 19; scales in lateral 
series 28; in transverse series 9. 
Body ro])U8t, a little deeper than wide. Snout long- and sharp. Eye 
high in head, the upper margin projecting above contour of head, 
Fig. 7.— CTENOGOBIUS hadkopterus. 
directed obliquely, situated at a point halfway between tip of snout 
and posterior edge of opercle. Interorbital space narrow, concave. 
Nostrils minute, the anterior with a distinct tube. Mouth moderate, 
somewhat oblique. Jaws subequal, the lower slightly shorter; upper 
lip very wide; maxillary entirely concealed, not quite reaching a ver- 
tical through anterior edge of orbit. Tongue })road, the tip truncate. 
Teeth of jaws in 2 series, outer ones in a single row, small, canine- 
like, not firmly attached; second series in upper jaw very minute, in 
lower jaw a little smaller than the anterior ones; no large canines. Gill 
opening extending upward to edge of base of pectoral; width of isth- 
mus about equal to length of snout. No papilh^ on inner edge of 
shoulder girdle. Gill-rakers small, 2 + 8 on first arch. No barbels on 
lower jaw. 
