93. EMBIOTOCID^E ABEONA. 587 



long, of about 1C spines, highest at the fifth or sixth, theuce gradually 

 shortened each way, the last spiues being shorter than the soft rays; 

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

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

 nearly equal 5 soft rays of anal 20-23 in number, the anterior simply 

 articulated. Fresh waters of California. (ua-czpoq, later; */}-<>?, fruit; 

 i.e., 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 fine 

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

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

 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 curve 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. Ill, 22; Lat. 1. 40. 

 Rivers of Central California, locally abundant. 



(Gibbons, Proc. Acad. Nat. Sci. Phila. 1854, 105, 124; Guntlier, iv, 251.) 



3O8. ABEONA Girarcl. 



Shiners. 



(Girard, Proc. Acad. Nat. Rci. Phila. 1855, 322: type Abeona trow'bridgn Grd. = Cymn- 

 toyaster minimus Gibbons.) 



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

 the jaws about equal ; lips 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 ; the 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. Vertebrae (in A. minima) 14 + 19. Species of small 

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

 variegated. (A coined name without meaning.) 



*924. A. minima (Gibbons) Gill. 



Color greenish above with bluish, reflections, thickly dusted with 

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

 and two vertical dark bars downward from base of dorsal fin on which 



