54 ATHERINID^: SILVERSIDES 



Atherina boscii Cuvier and Valenciennes, Hist. Nat. Poiss., 10, 465, 1835; Jordan, 

 Proc. U. S. Nat. Mus., 9, 530, 1886. 

 Menidia bosci Jordan and Gilbert, Bull U. S. Nat. Mus., 16, 407, 1883 (synonymy 



only). 

 Type-locality. — Charleston. 

 Menidia dentex Goode and Bean, Proc. U. S. Nat. Mus., 5, 429, 1882. 



Type-locality. — Mouth of St. John's River, Florida. 

 Menidia brasiliensis Jordan and Gilbert. Bull. U. S. Nat. Mus., 16, 408, 1883 



(exclusive of synonymy). 

 Range. — Coast of Florida and South Carolina, intergrading northward with M. M. 



NOTATA. 



XXI. ARCHOMENIDIA Jordan and Hubbs, 1919. 



Archomenidia Jordan and Hubbs, new genus. 



Orthotype. — Atherinichthys sallei Regan. 

 Range. — East coast streams of Mexico. 



Archomenidi.v agrees with the diagnosis of Menidia given above 

 in all respects but the following. Anus advanced in position, located 

 midway between insertion of ventral fin and origin of anal fin ; air 

 bladder extended backward to beyond middle of base of anal fin. Gape 

 very strongly arched ; lower jaw included ; teeth in two series in both 

 jaws, those of the outer premaxillary series enlarged, becoming canine- 

 like anteriorly, and directed forward and downward. Circuli obsolete 

 on exposed field of scales. In some respects Archomenidia approaches 

 Thyrina more closely than Menidia. It differs from that genus in the 

 position of the anus ; in the more backward extension of the air bladder, 

 and in details of fin, mouth, and teeth characters. 



84. Archomenidia sallei (Regan), 1903.-^' 



Atherinichthys brasiliensis Giinther, Catalogue Fishes Brit. Mus., 3, 404, 1861 

 (the specimen from Mexico only, subsequently described by Regan as 

 A. sallei). 

 Atherinichthys sallei Regan, Proc. Zool. Soc. London, pt. 2, 60, 1903. 



Menidia sallei Meek, Publ. Field Mus. (Zool.) 5, 181, 1904 (after Regan). 



Type-locality. — "Mexico." 

 Menidia lisa Meek, ibid., 182 (specimens from El Hule only). 

 Range. — East coast streams of central Mexico. 



The history of this species has been largely that of a single speci- 

 men, collected by Salle in Mexico. It was first recorded by Giinther as 

 Atherinichthys brasiliensis (a record which has caused consider- 

 able confusion in the literature), and finally described as a new species, 

 SALLEI, by Regan, under the obsolete generic name Atherinichthys. 

 Dr. Meek referred sallei to Menidia, but failed to note that his speci- 

 mens from El Hule, Vera Cruz, Mexico, were different from the type of 

 his Menidia lisa. There is at hand a series from the Rio Hueyapam, at 

 the village of San Juan, Acayucan, Mexico, collected by .\. G. Ruthven 



