PE0CEEDING8 OF UNITED STATES NATIONAL MUSEUM. 417 



Vol. Til, Mo. 27. Wa^liin^toii, ©. €. Sesst. 19, 1884. 



the second locks it iu erectiou, and the branchial apertures behind or 

 under the eyes. 



MONACANTHIN^. 



SYNONYMY. 



<^ Monacauthiui, Nardo, Atti Congiessi Scienze Ital. rac. et ortl., v. 1, p. 70 (1842), 1844. 

 <^Mouacantliiui, Bonaiuirte, Catal. Metod. Pesci Eiiropei, p. 8, 1846. 

 <^Motiacautliiens, Bollard, Anuales des Sci. Nat. (4), t. 13, p. (19,) 46, 1860. 

 = MouacantliiDa3, Gill, Cat. Fishes E. Coast N. Am., p. 56, 1861. 

 <^ Monacauthiforines, Blcel'cr, Atlas Ich. des ludes N6erland., t. 5, }}. 99, 1865. 

 <^ Monacautliiformes, 7??ceA-er, Nederl. Tijdschr. Dierk., v. 3, p. 11, 1866. 

 = Moiiacauthiiise, Jordan i^- Gilbert, Syu. Fishes N. Am., p. 854, 1883. 

 Balistina geu., Giiniher. 



Balistidie with the vertebrae in small number (18— 21 = 7+11 — 14), 

 the anterior dorsal represented by a comparatively slender si)ine, behind 

 which is at most a rudimentarj^ one, and the branchial apertures behind 

 or under the eyes. 



PSILOCEPHALIN^. 



SYNONYMY. 



<^Monacautbiformes (=Plialanx Psilocephalini), Lleeker, Nederl. Tijdscbr. Dierk., v. 

 3, p. 11 (14), 1866; Atlas Icb. des ludes N6erland., v. 5, pp. 99, 100, 1865. 



Balistidfe with the vertebrae in increased number (29-30), the anterior 

 dorsal represented by a feeble spine over the frontal region, and the 

 branchial apertures iu advance of the eyes. 



OSTRACODERMI. 



SYNONYMS AS FAMILY NAMES. 



<^Sclerodermes, Cuvier, Regne Animal, le 6d., v. 2, p. 149, 1817 ; 2e dd., v, 2, p. 375, 1829. 

 <^Sclerodermi, Giiniher, Cat. Fishes in Brit. Mus., v. 8, p. 207, 1870. 



SYNONYMS AS SUBORDERS. 



<^Sclerodermes, Bollard, Anuales des Sci. Nat. (4), v. 8, p. 275, 1857; v. 13, p. 31, 1860. 

 =Ostracodermi, Gill, Arraugemeut Families of Fishes, pp. xii, 1, 1872. 

 =;Cataphracti, Fiizinger, Sitzungsber. K. Akad. der Wissensch. (Wieu), B. 67, 1. Abth., 



p. 47, 1873. 

 =Ostracodermi, Goode, Proc. U. S. Nat. Mus., v. 2, p. 268, 1880. 



SYNONYMS AS ORDINAL NAMES. 



<^Sclerodermi, Bonamrtc, Giorn. Arcad. di Scienze, v. 52 (Saggio Dislrib. Metod. Aui- 



mali Vertebr. a Sangue Freddo, p. 39), 1832. 

 =:;Ostraciones, Sleeker, Enuiu. Sp. Pise. Archip. Indico, j). xiv, 1859 ; Atlas Icb. des 



Indes Necrland, v. 5, p. 25, 1865. 

 =:Ostracionidi, Bleeker, Nederl. Tijdschr. Dierk., v. 3, p. 15, 1866. 



Plectognaths without a spinous dorsal, with the body inclosed in an 

 angular box formed by polygonal scutes joined at their edges, and with 

 distinct teeth in the jaws. 



Proc. Nat. Mus. 84 27 



