164 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885. 



Beleosomavar'iafum, Vaillaiit, Eeclierclies surlesPoiss., Etheostomalidw, 1874, 84. 



(Locality unknown.') 

 Alvordius rariaius, Jordan and Gilbert, Syu. Fish. N. A., 1883, .503. (In part 



confused witli Hadropterus peltatus, Stauffer.) 

 Etheostoma notatum, Agassiz, MSS., 1850, fide Putnam. (No description.) 

 Hadropterus tcssellatits, Jordan, Bull. U. S. Nat. Mus., s, 7, 1877. (Allegheny 



R. ; young specimens discolored.) 

 Nanostonia tesstllatitm, Jordan and Gilbert, Syn. Fish. N. A., 1883, 511. (Dorsal 



spines given as "x," not siii, by misprint.) 



Head 3| times iu length (4| to base of caudal). Depth, 4| (o^). D. 

 XIII-13 ; A. II, 9. Scales 8-51-9. Length, 3J inches. 



Body moderately elongated, not much compressed, the back some- 

 what arched. Head short and thick, the snout short and blunt, and the 

 profile above the eyes strongly decurved ; profile a little depressed at 

 the nape. Eyes large, not very close together, slightly longer than 

 snout, 3f|- in head. 



Mouth small, low, subhorizontal, the lower jaw included ; teeth small, 

 subequal, bluntish, in rather broad bands ; teeth on vomer. Premax- 

 illary not protractile; maxillary reaching front of eye, 4 in head. 

 Top of head extremely rugose, the wrinkles evident through the skin, 

 and radiating irregularly from behind the eye. Parietal region rather 

 broad and depressed, as in other species of Hadropterus. Preopercle 

 entire. Opercle with a rather sharp spine. Gill membranes somewhat 

 broadly united, but meeting at a rather acute angle. 



Head naked, except for one to three scales on the upper part of the 

 opercle. Scales of body rather large, ctenoid. Lateral line complete. 

 Nape covered with small scales ; breast loosely scaled ; belly covered 

 with ordinary scales similar to those ou the sides. No enlarged ventral 

 plates. 



Fins all very large. Dorsal fins slightly joined ; anal fin large, but 

 lower thau the soft dorsal, and somewhat shorter. Pectorals reaching 

 front of anal. Second anal spine longer than first ; both of moderate 

 size. Longest dorsal spine 2| in head. Longest soft ray li. Caudal 

 subtruncate, its longest ray 1^ in head. Longest ray of anal If. Pec- 

 toral a little longer than head ; ventral a little shorter. 



Color of large male specimen dusky greenish above, the head similar, 

 the centers of the scales darker, and the whole body covered with fine 

 dark points visible with a lens. Belly and sides of the body from 

 anal fin forward and as high up as the level of the scapula of a bright 

 yellow orange. Posterior parts of the body with five vertical zones of 

 bright orange, these about half as broad as the dark greenish inter- 

 spaces ; first zone opposite the interspace between the dorsals, and ex- 

 tending downward to front of anal ; the last two ou caudal peduncle. 

 A vague, dusky area on base of caudal ; a dusky shade across nape in 

 front of dorsal. Head nearly plain, with some dark specks and some 

 dashes of orange. Breast with light orange shades. 



First dorsal with a broad median band of blue black ; a paler stripe 



