2/H Roosc'crll Wild Life Annals 



PACE 



t;g|. No lateral band, 

 h'. A prominent black caudal spot present. 18-20 scales before the 



dorsal fin Notropis htidsoriius 345 



hh'. No caudal spot. Mouth inferior; lips rather thick. 



Notropis dorsalis 345 



bb'. Scales on sides of body closely imbricated, making the exposed 



portions notably deeper than long. 20 or more scales before dorsal 



fin. 



i'. Body subelliptical and trim; head not large. Teeth i, 4-4, I. 



Adults usually with a black spot on the upper posterior part of the 



dorsal fin Notropis whipplii 350 



ii'. Body compressed; anteriorly robust; mouth large. Teeth 2, 4-4, 2. 



Notropis cornutus 355 

 aa'. Anal fin long with more than 8 rays. Dorsal fin placed posterior to 

 ventral fin. 

 j'. Snout short, about as long as the eye. Mouth noticeably oblique. 



Notropis atherinoides 35 1 

 ij'. Snout much longer than the eye; mouth less oblique. 



Notropis rubrijrons 354 

 WW. Premaxillaries not protractile. Snout long; mouth subinferior. Max- 

 illar\- with a minute barbel, 

 k'. Snout long, about twice length of the eye, and projecting decidedly 



beyond the mouth Rhinichthys catnraclae 335 



kk". Snout shorter; less than twice width of eye; scarcely prc-irrtin.^ h-.-^nd 



the mouth A'A.r , ' ' ' ^ ■''■■" 333 



mm. Jaws with teeth. Body long and slender. No ventral lni \ir. 



. I -;::;,;//■; -,'s',„/,l 405 



11. Ventral line of belly wit li 1 » nn sn rai' Pomolobus pscudohareiigus 296 



kk. Dorsal fin two, the ii'isii'i 11 ■!- >iili]>^ -r. 



1'. Scales cycloid. Sides mI\ a ly Leucichthys artedi tullibee 297 



U'. Scales ctenoid; sides n. it sil\i r\ Percopsis omisco-maycus 418 



ij. Head with scales; these on checks or opercles. 

 m'. Jaws long and broad with some large canine teeth; lateral line present. 



n'. Scales of operculum confined to its upper half Esnx luciiis 396 



nn'. Scales on both upper and lower half of operculum Esox niger 388 



mm'. Jaws short without large teeth. Lateral line wanting or but slightly developed, 

 o'. Premaxillaries non-protractile. Color dark brownish with indistinct markings. 



Umbra limi 386 

 oo'. Premaxillaries protractile. Color light with dark cross markings. 



Fundulus diaphanus menona 415 

 ii. Ventral fins with spines. 



p"^. Body without scales. Dorsal fin with free spines Eucalia inconstans 514 



pp'. Body with thin, cycloid scales. Dorsal fins two, both with rays.LaiiyciZ/K'i sicctdus 507 

 bb. Ventral fins thoracic; each with one spinous and ,5 or fewer soft rays. 

 qi. Chin without a barbel, 

 r'. Body with true scales, 

 s'. Dorsal fin single, with 6-12 sjiiins in aiiturii ir part of fin. 

 t'. Body deep and compress..!; .hplli i wo-tlnt.ls .ir more of the length, 

 u'. Dorsal spines 5-7; dorsal lin siinilar I', anal in size and shape. Body dark spotted. 



Pomoxis sparoides 503 

 uu'. Dorsal fin with 10 to 12 spines. Anal fin smaller than dorsal, 

 v'. Mouthlarge;maxil!ary extending to pupil. Anal spines 5-8. Tongue with teeth. 



A mbloplites rupestris 498 

 vv'. Mouth TiifHlrratr; niaxillarj- not extending beyond pupil. Anal spines 3. No 



w'. C.ilni pall , wiilhiut red or brown markings. Adult with a black spot on the 



],n 1' •\:.\- :\. ,\- fl ravs Lepomis incisor 486 



ww'. t'.il' 'Ir'. , r V r.il and blue markings. 

 x'. Op. I :■ :'; I'il. mged; black and without a distinct light border. Pharyngeal 



1 .. ■ ■ ; ,Mi h many sharp teeth Lepomis megaiotis 490 



xx'. Oji. I ii'ii ,Ii]i In.rl. wit ha di-stinct red spot (yellowish in preserved specimens) 

 I in t he p. islerii ir ventral portion. Pharyngeal bones broad with many blunt, 



paved teeth Eiipomotis gibbosus 492 



. Body not decidedly deep; depth less than two-fifths the length. Mouth verj- 



large; maxillary extending to or beyond the eye. 

 '. Scales on cheek in 10 rows. Young with a blackish lateral band. Maxillary 



extending beyond the eye in the adult Microplcrus salmoidcs 478 



yK Scales on the cheeks in about 17 rows. Young without lateral band but witli a 

 whitish caudal spot and sometimes with cross bars on sides. Maxillary nut 

 extending bcvond the eye Microplcrus dolnmien 466 



