422 MEMOIRS OF THE CARNEGIE MUSEUM 



Sixteen specimens, 77-165 mm. Nickaparu Creek. (C. M. Cat. No. 

 2154rt-d; I. U. Cat. No. 12324.) 



Fourteen specimens, 70-148 mm. Below Packeoo Falls. (C. M. Cat. No. 

 2155a-c; I. U. Cat. No. 12325.) 



One specimen, 125 mm. Rockstone. (C. M. Cat. No. 2156.) 



Four specimens, 74-120 mm. Kumaka. (C. M. Cat. No. 2159a-b; I. U. 

 Cat. No. 12328.) 



Head 3.66-3.75; depth 4-4.5; D. 10-12; A. 9-12; scales 3-33 or 34-3; eye 

 1.5 in snout, 6 in head, 2.66 in interorbital. 



Amm-shaped, subterete; caudal peduncle compressed; head blunt, depressed; 

 mouth oblique, the lips meeting in an irregular line, the mouth scarcely perceptible 

 when closed. No dorsal or ventral keels. Scales cycloid, with a few longi- 

 tudinal strise and many minute corrugations; fins naked. 



Dorsal considerably behind the middle, more or less angulated at the tip 

 of the antepenultimate ray, sometimes prolonged; caudal short-rounded; anal 

 short angulated; origin of ventrals a little in front or a little behind the vertical 

 from the origin of the dorsal; ventrals trowel-shaped, of variable length; pector- 

 als rounded, reaching about half-way to the ventrals. 



Dark brown above, top of head with small round dark spots; frequently a 

 dark spot at the base of the upper caudal rays, and another one on the sides below 

 the dorsal; a dark humeral spot in the young; sides marbled and clouded with 

 vertical markings on the tail; sides of head in light-colored individuals witli alter- 

 nate light and dark bars radiating from the eye, in dark-colored individuals with 

 a lunate bright spot covering opercle; posterior part or sometimes the entire cau- 

 dal, especially its middle, and sometimes the posterior part of the anal with light 

 and dark bands; pectorals and ventrals uniform light or dark. 



In life the ventrals, anal, and lower part of caudal are reddish, the margin 

 as well as sides olive; lower parts yellow. 



Order GLANENCHELI. 



Family X. GYMNOTID.E.«« 



Eels and Electric Eels. 

 Gymnotidce Bonaparte, Cat. Metod. dei Pesci Europei, 1846, — . 

 Sternopygidce Cope, Proc. Am. Ass. Adv. Sci., XX, 1871, 333. 

 Eledrophoridce Gill, Arrangement of the Families of Fishes, 1872, 18. 



*' This account of the Gynmotidsc was prepared by Dr. Max Mapes Ellis, then a Fellow in Zoology in 

 Indiana University. 



