1920.] NATURAL SCIENCES OF PHILADELPHIA. 399 



Pimephales notatus (Rafinesque). One from St. Louis received 

 from Mr. W. T. Innes in 1918. 



Notropis cornutus (Mitchill). Adult. 



Notropis zonatus (Agassiz). Two. 



Lepomis humilis (Girard). One from St. Louis. Obtained from 

 Mr. Innes, November 1, 1920. 



Poedlichthys cceruJeus (Storer). Several. 



Coitus hairdii Girard. Several. 



Arizona.* 



Several species were secured by Dr. Henry A. Pilsbry in the fall 

 of 1910 for the Academy. 



Campostoma anomalum (Rafinesque) . Dr. Witmer Stone obtained 

 6 young examples in a stream in Rucker Canyon, headwaters of 

 the Rio Yaqui basin, at 6500 feet elevation in the Chiricahua Mount- 

 ains, July 8, 1919. 



Leuciscus intennedius (Girard). Very many from the Santa 

 Cruz River at Tuecon, September 4, 1910, and a single example from 

 the Salt River, tributary of the Gila at Tempe, September 5, 1910. 

 Some of the larger examples tuberculated. These and the next all 

 in Dr. Pilsbry's collections in the Academy. 



Cyprinodon macularius Baird and Girard. One from the Salt 

 River at Tempe. 



Mollienisia occidentalis (Baird and Girard). Many with the last 

 and from the Santa Cruz River at Tuecon. 



Utah. 



The following were collected by Mr. Herbert J. Pack, of Logan, 

 during the past season. 



Leuciscus lineatus (Girard). Very many small ones from Hanyton 

 Bridge, Bear River at Fielding, August 15. These all show but a 

 short lateral line, not extending beyond the dorsal in the largest. 

 Abundant in warm spring at Udy's Springs, Riverside, in Boulder 

 County, August 12. 



The largest example, from Magna, measures 100 mm. It and 

 many young from slightly muddy fresh water, July 31. 



Leuciscus phlegethontis (Cope). Two from meadow-streams in 

 western part of Logan, August 9. Length 31 to 42 mm. Color of 



« Mr. S. N. Rhoads obtained the following in the fresh waters of the Colorado 

 River delta, in the vicinity of the Hardy River, Mexico, in the early spring of 

 1905; Ameiurus nebidosus, Xyrauchen texanus, Gila elegans, Cyprinus carpio 

 and Mugil cephalus. 



