DESCRIPTION OF A NEW SPECIES OF HALF-BEAK 
HEMIRAMPHUS MIOPRORUS) FROM NAGA- 
SAKI, JAPAN. 
By Davin Srarr Jorpan and Mary C. Dickerson. 
Of Stanford University. 
We here present a description of an interesting new species of 
Half-beak, obtained at Nagasaki in Japan, by Mr. Richard C. 
McGregor. 
HEMIRAMPHUS MIOPRORUS Jordan and Dickerson, new 
species. 
Head 4? in length (from end of upper jaw to 
base of caudal); head with beak 2% in same 
length measurement; depth $4. Mandible 9 in 
total (from end of mandible to tips of median 
rays); mandible from posterior angle of mouth 
equals distance from same point to edge of oper- 
cle. Upper jaw broad, rounded, its width greater 
than its length. Guill rakers x-+18, the longest 
one-sixth diameter of eve. 
Dorsal 16; anal 16. Dorsal and anal nearly 
equal in size and nearly opposite; anal slightly 
posterior to dorsal. Insertion of ventrals mid- 
way between tips of median caudal rays and 
middle of eye, between insertion of lower lobe of 
= IES 
Me 
hee 
caudal and edge of opercle. Length of base of ISS $SS 
: Seoes 
dorsal 14 times length of beak beyond end of cS 
upper jaw. Insertion of anal to ventrals equal 
to distance from tip of beak to anterior margin 
of eye. Caudal deeply forked, the lower lobe 
produced, its length (from insertion) equaling 
the distance between ventrals and anal. Length 
of middle caudal rays equal to the vertical diam- 
eter of the eye. Length of pectoral equal to 
length of mandible beyond the upper jaw. 
Scale 56. Head scaled to tip of upper jaw, 
scales on occiput scarcely imbricated; 38 scales 
in a median series on back between occiput and 
. front of dorsal. 
Color in spirits brown, lighter below. Beak: 
and top of head blackish, upper part of lobe of (77 ™"bRonts 
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PROCEEDINGS U. S. NATIONAL Museum, VoL. XXXIV—No. 1602. 
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