388 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
4. HOLCONOTUS* Agassiz. 
Holconotus Agassiz, Am. Journ. Science and Art, y. 17, 367, May, 1854 ( rhodoterus ). 
Cymatogaster Gibbons, Daily Placer Times aud Transcript, June 21, 1854 (not Cymatog aster, 1. c., 
May 18, 1854) ; Proc. Acad. Nat. Sci. Phila. 1854, v. 7, 123. 
As here understood, this geuus is composed of but a single species. 
6. HOLCONOTUS RHODOTERUS Agassiz. 
Holconotus rhodoterus Agassiz, 1. c. (San Francisco) ; Archiv. f. Naturg. 1855, B. 1, 34; A. Agas- 
siz, Proc. Boston Soc. Nat. Hist., voi. 8, 132, 1861; Cooper, in Cronise Nat. Wealth Cal., 
489, 1868; Jordan & Gilbert, )Proc. U. S. N. M. 1880, 456 (San Francisco to Santa Bar- 
bara); Jordan & Jouy, Proc. U. S. N. M. 1881, 10 (Monterey, San Francisco and Santa 
Barbara) ; Jordan & Gilbert, Proc. U. S. N. M. 1880, 50 (Tomales to Santa Barbara, Cali- 
fornia) ; Jordan Cat. Fish. N. A., 96, 1885; Eigenmann & Eigenmann, Ann. N. Y. Acad. 
Sci., June, 1892 (San Diego, Santa Barbara, Monterey, San Francisco). 
Ditrema rhodoterum Gunther, Cat. Fish. Brit. Mus., iv, 250, 1862 (San Francisco). 
Amphistichus rhodoterus Jordan & Gilbert, Syn. Fish. N. A., 592, 1883 (California); Eigenmann 
'& Eigenmann, Proc, Cal. Acad. Sci., 2d ser., iii, 9, 1890 (San Diego). 
Cymatogaster pulchellus Gibbons, Proc. Acad. Nat. Sci. Phila., v. 8, 123, July, 1854; Archiv fur 
Naturg., 21. Jahrg., B. 1, 335, 1855. 
Holconotus pulchellus A. Agassiz, Proc. Boston Soc. Nat. Hist., v. 8, 132, 1862 ; Cooper, Nat- 
Wealth Cal. by Cronise, 489, 1868. 
Cymatogaster larkinsii Gibbons, Proc. Acad. Nat. Sci. Phila. 1854, 123 (San Francisco); Archiv 
f. Naturg. 1855, B. 1, 335. 
Cymatogaster ellipticus Gibbons, Proc. Acad. Nat. Sci. Phila. 1854, 124 (San Francisco); Archiv 
f. Naturg. 1855, B. 1, 336. 
Habitat : Coast of California from San Francisco to San Diego. 
Body ovate, dorsal and ventral outlines nearly equally curved. Profile above the 
eye little depressed ; the snout a little longer than the eye. Mouth quite oblique, the 
lower jaw not projecting; maxillary not included under the orbital, reaching to the 
front of the pupil. Fifth dorsal spine highest, considerably higher than the soft rays; 
pectorals falcate, not reaching the tips of ventrals; color, “greenish above; sides sil- 
very, profusely covered with spots and blotches of light orange-brown or coppery red, 
these mostly in the form of interrupted vertical bars; caudal, anal, and ventral fins 
bright reddish without black spots or markings” (Jordan & Gilbert). Head, 3£; depth, 
2^. D. ix or x, 26; A. in, 29; Lat. line, 69. 
5. AMPHISTICHUS Agassiz. 
Amphistichusi Agassiz, Am. Journ. Science and Art, (2) v. 17, 367, May, 1854 ( argenteus ). 
Mytilophagust Gibbons, Proc. Acad. Nat. Sci. Phila. 1854, 125 (fasciatus— argenteus) . 
Type : Amphistichus argenteus Agassiz. 
* '0/U6f, furrow, and yurof, back ; referring to the dorsal furrows common to all the species of the 
family. 
t Amphistichus: 'A.g<pl, used in the sense of double, and crrot'^of, rows; referring to the two rows of 
teeth in each j aw. 
f Mytilophagus: Mvrihos, Mytilus, and ipayelv, to eat; in allusion to the supposed principal food of 
the genus. 
