140 OSTARIOPHYSI. 
specimens collected at J uarez, Rio Grande, by Mr. A. J. Woolman, who determined 
them as A. punctatus. In these the occipital process is not notched posteriorly and 
| scarcely reaches the second interneural, but whether this is the case in the adult fish 
I cannot say. 
4, Amiurus lupus. 
Amiurus lupus (Girard), Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 1896, p. 1877; Meek, Publ. 
Columbian Mus., Zool. v. 1904, p. 14’. 
Hab. Norta America, Texas 1.—MeExico, Nuevo Leon? and Tamaulipas ?. 
I have examined four specimens from the Rio Soto Marina (Meek), the largest 
measuring 150 mm.; the species ¢ attains to a length of 450 mm. 
5, Amiurus pricei. 
Villarius pricei, Rutter, Proc. Calif. Ac. Sci. (2) v vi. 1896, p. 257"; Jord. & Everm. Bull. U.S. 
Nat. Mus. xlvii. 1900, p. 2799’. 
Hab. Upper tributaries of the Rio Yaqui in Sonora and Southern Arizona ! °. 
I have examined one of the types, a specimen measuring 240 mm. in total length. 
6. Amiurus meeki, sp.n. (Tab. XXIII. fig. 5.) 
Amiurus pricei (non Rutter), Meek, Publ. Columbian Mus., Zool. v. 1904, p. 16°. 
Depth of body 5 in the length, length of head 4. Snout 13 as long as eye, the diameter of which is 5 in the 
w», length of head; interorbital width 33 in the length. of head. Mouth subterminal; maxillary barbel 
extending to basal part of pectoral, 11 gill-rakers on the lower part of the anterior arch. Occipital 
process obtusely pointed, not quite reaching the second internasal. Dorsal I 6; spine short, 2 the length 
of head. Anal 21, the free edge convex, the middle rays the longest. Pectoral spine ? the length of 
head, its inner edge with 5 strong serree ; humeral process extending beyond the middle of pectoral spine. 
Caudal deeply emarginate, the middle rays 2 as long as the longest, the lobes rounded. A few indistinct 
small round dark spots on the sides ; caudal with a dark edge. 
Hab. Mexico, Mifiaca in Chihuahua (Meek). (Also recorded by Meek from Lerdo 
and Durango in Durango.) 
A single specimen, 105 mm. in total length. 
7. Amiurus australis. 
Amiurus australis, Meek, Publ. Columbian Mus., Zool. v. 1904, p. 13°. 
Hab. Mexico, Rio Forlon in Tamaulipas+, Rio Blanco in Vera Cruz !. 
8. Amiurus mexicanus. 
Amiurus mexicanus, Meek, Publ. Columbian Mus., Zool. v. 1904, p. 15°. 
Hab. Mexico, Rio Verde in San Luis Potosi}. 
