‘ 
HOG SUCKER. 819 
Diagnosis.—T his is the only Sucker in Ohio having 65 to 70 scales in 
lateral line. 
Habits.—This species is the most common of the Suckers, swarming in 
every pond and stream in Ohio, and is the one to which,the name Sucker 
primarily belongs. It varies much in size, color and form in the differ- 
ent streams. Its flesh is soft and poor, and of little value for food. It 
bites at a small hook baited with a worn, and is one of numerous tribe 
of boy’s fish, which may be found on every urchin’s string. , 
40. CATOSTOMUS NIGRICANS LeSueur. 
Eiog Sucker; Mog Mullet; Hog Molly; Crawl-a-bottom; Stene 
Roller; Stome Toter; Stome Lugger; Hammer-head; Mud Sucker. 
a. Subspecies nigricans. 
Cotostomus nigricans, LESUEUR, Journ, Acad. Nat. Sci. Phil, 1817, 102—DrKay, New 
York Fauna, part iv, Fishes, 1842, 202.—CuUViIER and VALENCIENNES, Hist. Nat. des 
Poiss , xvii, 1844, 453 —KirTLAND, Bost. Journ. Nat. Hist., v, 1845, 272.—STORER, 
Synopsis, 1846, 421.—Cops, Journ. Acad. Nat. Sci. Phila , 1868, 236; Proc. Am. Philos. 
Soc. Phila., 1870, 468.—GUNTHER, Cat Fishes Brit. Mus., vii, 1868, 17.—UHLER 
and LuGGER, Fishes of Maryland, 1876, 138.—JoRDON, Ann. Lyc. Nat. Hist N. Y., 
xi, 1877, 345; Ball. U. S. Nat. Mus., xii, 1878, 162. 
Cotostomus nigrans (sic), KIRTLAND, Rept. Zool. Ohio, 1833, 168. 
Hylomyzon nigricans, AGassiz, Am. Journ. Sci. Arts, xix, 1855, 205.—PuTNaM, Bull. Mus. 
Comp. Zool., 1863, 10.—JoRDAN, Fishes of Ind., 1875, 221. 
Hypentelium nigricans, JORDAN, Bull. Buffalo Soc. Nat. Hist., 1876, 95; Man. Vert., 1876, 
294; 2d Ed., 1878.—NELSON, Ball. No. 1, Ills. Mus. Nat Hist., 1876, 48. JorRDAN and 
COPELAND, Check List, 1876, 156.— JORDAN and GILBERT, in Klippart’s Rept., 1876, 53. 
Catostomus maculosus, LESUEUR, Journ. Acad. Nat. Sci. Phila,, 1817, 103.\—DrKay, New 
York Fauua, part iv, Fishes, 1842, 203.—CUVIER and VALENCIENNES, Hist. Nat. des 
Poiss., 1844, 454.—SrorerR, Synopsis, 1846, 422—UnteR and LuGGER, Fishes of 
Maryland, 1876, 139. 
Exoglossum macropterum, RAFINESQUE, Journ. Acad. Nat. Sci, Phila., 1817, 420.—CuvirR 
and VALENCIENNES, xvii, 1844, 486.—Srorer, Synopsis, 1846, 428, 
Hypentelium macropterum, RAFINESQUE, Ich. Oh., 1820, p. 68.—KIRTLAND, Rept. Zool. 
Ohio, 1838, 168 
Catostomus xcanthopus, RAFINESQUE, Ich. Ohio., 1820, 57. 
? Catostomus ? megastomus, RAFINESQUE, Ich. Oh., 1820, 59. (Most likely mythical.) 
Catostomus planiceps, CUVIER and VALENCIENNES, Hist. Nat. des Poissons, xvii, 1844, 450, 
pl. 516.—STORER, Synopsis, 1846, 426. 
aa. Subspecies etowanus. 
Catostomus nigricans, var. etowanus, JORDAN, Ann. Lyc. Nat, Hist. N. Y., xi, 1877, 345. 
Description.—Body stout and heavy in front, tapering off rapidly from the shoulders 
to the tail, nearly cylindrical behind ; head quadrangular, broad and flat above, with 
vertical sides; the interobital space transversely concave; frontal bone thick, broad 
and short; fontanelle short and rather small; mouth large, the upper lip very thick, 
