1884.] NATURAL SCIENCES OF PHILADELPHIA. 183 



and armed with spines; jugular? ventrals of five rays and one 

 short dorsal, and a short anal, both near the caudal. 



Two other types referred by Dr. Giinther to the Anacanthini 

 certainly do not belong to the group and are true Acanthopter}'- 

 gian fishes. They are the Gadopsidge and Chiasmodontidae. 



GADOPSIDJE. 



Synonymy. 



= Oadopsida, Giinther, Cat. Pishes Brit. Mus., v. 4, pp. 317, 318, 1862. 

 < OadopsidcB, Cope, Proc. Am. Philos. Soc. Phila., v. 13, p. 31, 1873. 

 BlenniidcB, gen., Steindachner. 



CHIASMODONTID^. 



Family Synonyms. 



= Chiasmodontidae, Gill, Jordan & Gilbert, Syn. Fishes N. Am., p. 964 



1882. (Defined.) 

 QadidcB, gen., Giintlier. 



Subfamily Synonym. 



= OMasmodontincB, Jordan & Gilbert, Syn. Fishes N Am., p. 795, 1882. 



