158 [August, 



Notice of a new genus of Cyprinidce. 



By S. F. Batrd and Charles Girard. 



COCHLOGNATHUS, B. & G. The jaws are armed with a spoon-shaped plate, 

 the edge of which is sharp and cutting. Pharingeal teeih disposed upon one single 

 row. The general appearance of the fish is cyprinoid, and stiongly suggestive 

 of Pimephales, the head having a rather robust appearance with a blunt snout. 

 The mouth itself is rather small. There are no barbies or rudimentary barbies 

 of any kind. The insertion of the ventral fins is situated opposite the anterior 

 margin of the dorsal. The caudal is emarginate. The scales are very large. 

 The lateral line is conspicuous, running through the middle of the flanks, slightly 

 bent dowtiwards upon the abdomen. 



Cochlognathus ornatls, B. & G. Head forming two ninths of the entire 

 length, and abruptly rounded off on the snout. Mouth proportionately small and 

 terminal with oblique cleft. Eyes rather above the medium size ; their diameter 

 being contained four times in the length of the side of head. Body much com- 

 pressed, covered with large scales disposed in twelve longitudinal rows on the 

 line of greatest depth. Lateral line inflexed downwards upon the abdomen. 

 Anterior margin of dorsal nearly equidistant between the snout and rudimentary 

 rays of the caudal. Anal, situated entirely backwards of the dorsal. Caudal 

 forked. Insertion of ventrals beneath the anterior margin of dorsal ; tip of pec- 

 toral not reaching them. 



D I. 8. A 6. C 4. 1. 9. 8. 1. 3. V 8. P 12. 



The colors, as preserved in alcohol, present a reddish brown ground, and a 

 dark lateral band or stripe. The dorsal fin exhibits two elongated dark spots, 

 one anteriorly and basal, the other posteriorly and nearer to its tip. The posterior 

 half of the caudal has likewise a darker hue than its anterior and basal half, 

 which is of a dull orange, as is also its extreme margin. 



Brownsville, Texas ; collected by Capt. Van Vliet. 



Synopsis of the Erotylice of the United States* 



By John L. LeConte, M. 1). 



Engis Paykull. 



1. E. quadrimaculata Say, Bost. Journ. Nat. Hist. 1, 169. Middle, 

 Southern and Western States. E. confluentus Say, Journ. Acad. Nat. Sc. 3, 



195, is a species of Ips. 



Dacne Latr. 



1. D. f asc i at a Latr. Hist. Nat. Crust, et Ins. 10, 14 : Gen. Crust, et Ins. 2, 

 20. Lacord. Erotyl. 65. Ips fasciata Fabr. Ent. Syst. emend. 2, 511 : Engis 

 fasciata Syst. El. 2, 582. (Laporte, Hist. Nat. Col. 2, 15). Erotylus bifasciatus 

 Oliv. Enc. Meth. 6, 433. Middle and Southern States abundant ; the reference 

 in parenthesis is copied from Lacordaire. 



2. D. her os Lacord. Erotyl. 67. Engis heros Say. Journ. Acad. Nat. Sc. 3, 



196. Southern and Western States, not rare: also found in the Middle States, 

 but very rare. 



Ischvrus Lac. 

 1. I. quadripu n c t at u s Lac. Erotyl. 127. Erotylus A-puvctatvs Oliv. 

 Enc. Meth. 6, 437. Ins. 89, tab. 3, fig. 37. Say, Bost. Journ. Nat. Hist. 1, 201. 

 Georgia, Texas, Missouri. 



Langtjria Latr. 



A. Antennae articulis 6-11 dilatatis. 



1. L. thoracica; rufa nitida, thorace parce punctulato, latitudine vix longiore, 

 antrorsum angustato, lateribus rotundato, macula dorsali rotundata ornato, elytris 



