. CVIII. 303 



curious fish, related to the Minnow of Europe (P. Icevis, 



Ag.) 



2. P. flammeus, Jordan & Gilbert. FLAMING MINNOW. 

 Black above, silvery below; a black lateral band; belly 

 flame color in spring males; body stout, depth 4 in 

 length; head about the same; mouth small, oblique, the 

 lower jaw projecting; scales much larger than in P. 

 neogceus" lat. 1. 43; D. I, 8; A. L, 8; tubes of lateral 

 line developed only on 14 scales. Elk River, Tennessee. 



** Lateral line almost complete. 



3. P. margaritus, (Cope) Jor. PEARLY DACE. Head 

 = depth 4 in body; scales small, much crowded forwards; 

 lateral line hardly complete, the tubes wanting on the 

 last 3 to 8 scales; head blunt, short and rounded; mouth 

 quite small, oblique, the upper jaw the longer, the lower 

 jaw not compressed; color light olive; sides dusky; 

 belly in summer bright crimson; D. I, 8; A. I, 8; lat. 

 1. 58. Teeth 2 5 i, 2; a stout-bodied species. 



17. HEMITREMIA, Cope. HEMITREMES. 

 * Teeth 45. 



1. H. vittata, Cope. SOUTHERN HEMITREMIA. Dusky; 

 a black lateral band, and above this several paler and 

 smaller ones, the upper running into the dorsal line; fins 

 small; depth 4 in length; head 4^-; D. I, 8; A. I, 7; 

 lat. 1. 34; L. 2. Head waters of Tennessee and Cumber- 

 land Rivers. (Description from Kentucky specimens.) 



** Teetk 44. (Genus Chriope, Jor.) 



2. H. heterodon, Cope. NORTHERN HEMITREMIV. 

 Head = depth, about 4 in length; snout flat, rather 

 pointed; back compressed, elevated; olive, 'a dusky 

 lateral shade; D. I, 8; A. I, 8; lat. 1. 35. Mich., Wis. 



3. H. bifrenata, Cope. EASTERN HEMITREMIA. Head 



