93. EMBK)TOCID.E — ABEONA. 587 



long-, of about 10 spines, liigbest at tlie fifth or sixth, thence gradually 

 shortened each way, the last spines being shorter thau the soft rays; 

 anal spines stronger thau in the other genera, curved, the second 

 spine being longer and stronger thau the first and third, which are 

 nearly equal; soft rays of anal 20-23 iu number, the anterior simply 

 articulated. Fresh waters of California, {uarspo:;, later; xafnzoq, fruit; 

 t. f., fruit borne late; in allusion to the prolonged development of the 

 embryo.) 



923. H. traski Gibbous. 



Males, above dark brown, sides yellowish or olivaceous, with tine 

 black dots ; throat and belly golden yellow ; females olivaceous, darker 

 above, with black blotches on sides in irregular transverse bars. Ijody 

 oval, compressed ; ventral curve less than that of the back; head small, 

 profile from snout to occiput concave ; mouth small, oblique, maxillary 

 not reaching orbit ; lateral line following the curv^e of the back; dorsal 

 spines rather high, the fourth to seventh highest ; cheeks with 3 rows 

 of large scales. Head 3^ ; depth 2. D. XVI, 11 ; A. HI, 22; Lat. 1. 40. 

 Eivers of Central California, locally abundant. 

 (Gibbous, Pioc. Acad. Nat. Sci. Phila, 1854, 105, 124; Giiuther, iv, 251.) 



. 308.— ABEONA Girard. 



Shiners. 



(Girard, Proc. Acad. Nat. Rci. Phila. 1855, 322: type Aheona trowhr'uhjU Grd.^Cymn- 

 tO(ja-iter minimus Gibbous.) 



Body ovate or oblong, compressed. Head moderate. Mouth small; 

 the jaws about equal ; li^js rather thin, the lower with a narrow frenum ; 

 teeth in one principal series, besides which are often one or two other 

 teeth, stout, somewhat compressed, and incisor-like ; all or most of the 

 teeth three-lobed. Gill-rakers very slender and short. Lower pharyn- 

 geals scarcely concave behind ; tlu^ teeth all large and truncate. Scales 

 large. Dorsal fin short and high ; the spines robust ; the middle ones 

 highest and rather higher than the soft rays. Anal fin short and deep, 

 with strong spines. Vertebne (in .4. minima) 14 -|- 10. Species of small 

 size; partly or wholly herbivorous, feeding on sea- weeds. Coloration 

 variegated. (A coined name without meaning.) 



921. A. niiniiliil (Gibbous) Gill. 



Color greenish above with bluish reflections, thickly dusted with 

 black dots; an irregular longitudinal black band along axis of body, 

 and two vertical dark bars downward from base of dorsal iin on wliich 



