402 COXTIMIM TIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



a. Dors.-il spines normally 0. 



b. (.'In-cks scaly; second dorsal with 13 or 14 rays. 



765. B. oa:ns3cdi (Storer) Agassi/. 



liuily slender, little compressed, with long caudal peduncle. Head 

 slender, rather pointed. Cheeks and opercles scaly; space before dor- 

 sal naked; hn-ast naked. Fins very high, pectorals reaching past tips 

 of ventrals. Coloration olivaceous, tessellated above; sides with 

 blotches and zigzag markings ; fins speckled or somewhat barred ; 

 head not speckled, dusky in males; usually a black stripe forward from 

 the eye and another downward. JIead 4; depth 5i. D. 1X-14; A. I, 

 !>: Lat. 1. 50. L. 3 inches. Great Lakes to Georgia and Massachu- 

 setts; the commonest eastern species. A southern form, var. macula- 

 ix, has the cheeks scaly above only, and is more speckled; var. aim- 

 , found eastward, has the breast closely scaled. 



ulmxtcdi Storer, IJost. Jonrn. Nat. I list. 1842, (il : Boleoeoma tfissdlaium 

 Kav. New York Fauna Fish. ItiJ^uO; Agassi/. Lake Superior, 299; (uinther, i,77; 

 Cope, .lonrii. Aead. Nat. Sri. I'hila. lH(iS, 1-_>1:5; Vaillant. I.e. ?l>: IlolniNoma nnti'iilnltci'ps 

 Cope, I 'roc. Amcr. 1'liilos. Soc. lt!70, 5WS.): Enirvlla airomaciilata (iirard, Proc. Acad. 

 Nat. Sci. Phila, 1H.'>9, (5(5.) 



bb. Cheeks and lireast (normally) naked. 



d. Body 1'iisil'orm, with slender caudal peduncle; (ins moderate; second dorsal 

 with 11 or 12 rays; lateral Hue usually not quite complete. 



766. B. EBE?? E ' laEBI (R:ifO -Tor. Tolnm.-i Dcrhr. 



Body fusiform, slender. Head conical, moderate, the snout some- 

 what deeurved. Mouth small, lower jaw included. Cheeks and breast 

 nak'ed (specimens occasionally found with these regions closely scaly); 

 opercles scaly; space before dorsal mostly scaled. Fins high, but 

 smaller and lower than in the other species. Coloration pale oliva- 

 ceous; back much tessellated with brown; sides with numerous small 

 W-shaped blotches; head speckled above, mostly black in the males; 

 a bl.ick line forward from eye, and sometimes a line downward also; 

 lins barred; males in the spring blackish anteriorly, sometimes almost 

 entirely black. Tubes of the lateral line obsolete on the last 4 or 5 

 .scales. Head I 1 ,; depth.".. ]). IX-12; A. I,S; scales fi-ll-O. L. L'i 

 iii.-lies. Ohio Valley, <!reat Lake region, and I'pper Mississippi; very 

 abundant where I'ound. It perhaps varies into />'. olinntcili, but may be 

 distinguished, as far as we have seen, by the shorter dorsal. 



(Kllifuxloiiin ni'irii li'af. Irliili. ()]i. I .'(i, :',7 : j:tili'om>nni nini'iiliiliiiii Agassi/, Lake Su- 

 perior. l~.".d, :',(i.">: {litlniHiiniii \>r< ri;iiinic ( 'ope. 1'roc. Amer. I'hilos. Soc. 1-7(1. 'JC.S; (Jiin- 

 tlu-r. i,?7: i;<>ln<nii<i iinttnliiiii \'a i Hani . I.C.I : .' /'" i-ilirlitli_;* nii'uniifi Cope. 1 'roc. Acad. 

 Nat. S. i. 1'liila. l-.'.J, v;:;.': /.'/ oxniia inni-iilaliini .Ionian. Man. N'erl. ed. ',', '."J4.) 



