280 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



= Ampbacanthoiflei, Bleeker, Euum. Sp. Piscinin Arcbipel. Indico, p. xxii, 1859. 

 = TeQthidiclse, Gunlher, Cat. Fishes Brit. Mus., v. 3, p. 313, 18(il. 

 = Teuthidi(Iap, Gimther, Archiv fiir Natnrjr., 28. Jahrg , B. 1, p. rj9, 18&i. 

 <^ AcronuridsR, Cojye, Proc. Am. Assoc. Adv. Sci., v. 20, p. 342, 1872. 

 = Aniphacanthida;, Oill, Arrangeiiicnt Faiuilies Fislics, p. 7, 1872. 

 ?? Acantlmri, Fitzingei; SCtzuugsber. K. Akad. dcr Wissensch. (Wien), H. (17, 1 Abth., 

 p. 33, 1873. 



Teutliidoidea with the abdominal (vertebral) about as long as the 

 caudal region, the rayed portions of the dorsal and anal fins subequal 

 and shorter than the spinous ])ortiousoJ' the dorsal or anal, the ventrals 

 each with two marginal (external and internal) spines, between which 

 intervene three rays, the head with its rostral portion moderate, and 

 without epi pleurals to ribs. 



The type is also characterized by a singular uniformity of the lins, all 

 known species (over 30) having alike 13 spines and 10 rays in the dor- 

 sal, and 7 s])ines and 9 rays in the anal ; there are 23 vertebrae — 10 

 abdominal and 13 caudal. 



SiGANUS. 



Sijtionymy. 



•<\ Hepatiis, Artedi, Genera Piscium. 



<[Hepatu8, Gronow, Zoopbylaciuni, p. 113, 1763. 



<^Teutbi8, Linn4, Systema Naturae, 12 ed., t. I, p. 507. 1766. 



= Siganus, Forakdl, Desc. Animal, quae obsorv., pp. x, 26, 1775.* 



:= Centrogaster, Houttuyn, Acta. Soc. Harlem, v. 20, p. 333, 1782. 



= Ampbacantbus, Bloch, Systema Icbtbyologiai, ed. Schneider, p. 206, 1801. 



= Centrogaster, LacdpMe, Hist. Nat., des Poissons, t. 3, p. 307, 1802. 



= Le8 Sidjans (Ampbacantbus Scbn.), Cuvier, R^gne Animal, t. 2, p. 330, 1817. 



= Les Sidjans (Siganus Forsk.), Cuvier, Rfegne Animal, 2 ed., t. 2, p. 223, 1829. 



= Teutbi8, Cantor, Cat. Malayan Fisbes, p. 207. 



= Teutbis, Gronow, Cat. Fish, collected and described, p. 142, 1854. 



Scarus, sp., Fornkdl. 



Cbsetodon sp., Block. 



Type. — 8. rivulatus, Forsk. 



The names proposed in chronological order for genera of the Teuthi- 

 doidae are as follows : 



$ 1. " Prelinncean." 



1738. Hepatm Artedi = Teutuis. 

 1744. Bhomhotides Klein = Tkuthis. 

 1763. Uepatus Gronow = Tkuthis. 



$ 2. ''Binomial." 

 1766. Teuthis Linnd = Teutuis. 

 1775. Siganus ForskS-l = Siganus. 

 1775. Acanthurua For8k§,l = Teuthia. 

 1782. Centrogaater Houttuyn = Siganus. 



" According to Cuvier and Valenciennes (Hist. Nat. des Poissons, v. 10, p. 112 — foot 

 note), "Forskal, Faun, arab., dans nn feuillet sans pagination h la suite de la pre- 

 face." 



