332 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
Color in life (No. 03422) head and body nearly uniform black, underlaid by purplish on belly; 
caudal black, the outer third white with rosy tinge; pectoral black at base, the outer two-thirds trans- 
parent; ventrals black, with some purple; soft dorsal and anal nearly uniform black, the last rays of 
each usually but not always tipped with white; no humeral spot. 
Another specimen (No. 03423) was very dark brown; a black scale with blue border just above 
lateral line and under fourth dorsal spine; belly showing some reddish purple; soft dorsal and anal 
with minute spots and reticulations of dark blue, similar spots on caudal; ventrals dusky red, with 
blue markings, detached dorsal with olive and blue; sides of face with tinges of olive over the dark 
background; pectoral pale on upper margin; indistinct dark olive area on body under and behind last 
third of pectoral; tip of soft dorsal, anal and tip of caudal not pale; iris purple. 
An example (No. 02940) 2 days in alcohol had the head and body uniform black throughout; 
dorsal jet-black, narrowly tipped with white, the exposed tips of spines white; caudal with a broad 
whitish tip. Another specimen (No. 03457) had the body and head and fins' quite black without 
other marking of any kind; the light colored extremity of caudal was rosy toward the posterior border, 
and the light tips of dorsal and anal showed some rosy tinge with a narrow bit of blue in the dorsal tip. 
Color in alcohol, head and body uniform dark brownish black; distal third of caudal, tips of dorsal 
and anal and most of pectoral plain yellowish white, the pectoral a little dusky, rest of fins rich blue- 
black. 
This species is thus far known only from Honolulu, and does not appear to be very abundant. 
It was not obtained by Jenkins in 1889, the 2 specimens described by him having been obtained 
by Wood in 1899. 
Through an error, the figure given by Jenkins shows 10 dorsal spines instead of 7, as given in the 
text. The figure given by Steindachner is also defective, showing only 6 instead of 7 dorsal spines, 
and having the detached dorsal spines very much too short. 
We have 19 specimens, including the type of I. vernier, ranging from 4.8 to 8 inches long. 
Novacwla ( Iniistius ) nigra Steindachner, Anzeiger fur Denks. Ak, Wiss. Wien, 1900, JVo. XVI, 176 (June 27, 1900), Hono- 
lulu; Denks. Ak. Wiss. Wien, LXX, 1900, 505, pi. IV, tig. 2, Honolulu; the type. 
Iniistius verater Jenkins, Bull. U. S. Fish Comm., XIX, 1899 (Aug. 30, 1900), 55, fig. 12, Honolulu. (Type, No. 5990, Stan- 
ford Univ., coll. Dr. Wood). 
Iniistius niger, Jenkins, Bull. U. S. Fish Comm., XXII, 1902 (Sept. 23, 1903), 465 (Honolulu! 
Genus 166. HEMIPTERONOTUS Bleeker. 
Body compressed, oblong, covered with scales of moderate size; head compressed, more or less 
elevated and obtuse, with the upper profile generally more or less parabolic; cheek with small scales; 
lateral line interrupted; no posterior canine tooth; D. ii-vii, 12; A. in, 12, the 2 anterior dorsal spines 
separate from the others. 
Hemipteronotus LaciSpede, Hist. Nat. Poiss., Ill, 215, 1801 ( quinquemaculatus ). 
Hemipteronotus Bleeker, Proe. Zool. Soe. Lond. 1861, 414 (Hemipteronotus quinquemaculatus)-, Bleeker, Versl. Kon.Ak. Wet., 
XIII, 1862, 103 (quinquemaculatus). 
a. No large dark area on the side, a narrow bluish band from lower anterior portion of eye running downward to behind 
corner of mouth, parallel with the other vertical lines from the eye and upper part of the head copei , p. 332 
aa. A large dark area on the side several scales wide and high. 
6. Anal without distinct markings umbrilatus, p.333 
bb. Anal with oblique color bars, with black spots only in the male. 
c. Last rays of dorsal and intermembranes with large black spot baldwini, p. 334 
cc. Last rays and membrane without black spot .jenkinsi, p. 336 
263. Hemipteronotus copei Fowler. 
Head 3.85 in length; depth 3; eye 6.25 in head, equal to interorbital; D. ii-vii, 12; A. in, 12; scales 
26 in lateral line. 
Body elongate, much compressed, deepest in the pectoral region; head elevated, compressed, the 
anterior profile very parabolic, though slightly convex; snout not produced; eye small, high, 3 in 
space between its anterior margin and tip of upper jaw; interorbital convex; mouth narrow; teeth 
strong, the outer lateral teeth larger than the others, except the canines, which are in 2 pairs on the 
anterior portions of the jaw, those in lower closer together than those of upper jaw and fitting in 
