﻿2 12 OllD. II. THOR. G. 54. ACANTH. 



monuit J. R. Forjler. Is repertum in mari 

 Atlantico et oceano pacifico circa infulam Ota- 

 haitee, ubi Maito audit, in MS. III. 8- fic cie- 

 fcripfit. 



Harpurus cauda fubfalcata, fpinis dorfali- 

 bus 8, caudalique utrinque recumbente, mobili, 

 macula fuboculari rhombea alba. 



Corpus ovatum, compreflum, atrum; ca- 

 put obtufum, roftratum, defcenfu praecipite, 

 fquamofum: rictus parvus, obliquus, roftratus: 

 roftrum mediocre, deJlexum: maxillae parvae, 

 labiatae, inferae; labia membranacea: dentes 

 minuti, aequales, apice truncati, ferratique pla- 

 niusculi, rigidi, unius ordinis: nares geminae, 

 ovales, anteriores majores: oculi fupremi, vi- 

 cini, poftici, protuberantes, femitecti membrana 

 anulata ; pupilla nigra, iris fufca, margine in- 

 teriore aureo: opercula diphylla, fquamofa, 

 parva: membranae branchialis 5 radii; aper- 

 tura parva: linea lateralis fuprema, curva, 

 defcendens, obliterata, laevis, in cauda recta : 

 anus medius, Jlavus: cauda compreffa, muricata 

 fpina valida, Jlava, antrorfum apice fpectante, 

 recondita intra rimulam longitudinalem, ite- 

 rumque horizontaliter expanlilis. Squamae im- 

 bricatae, minutae, fubtrigonae, ferato-ciliatae: 

 macula alba rhombea fub oculo utrinque; et 

 fafcia alba roftrum fere cingens : Pinna dorfa- 

 lis longitudinalis, afcendens, vix fquamofa in- 

 ter radios, tota fufca, margine extimo caeruleo, 

 interiore ad dorfum linea Jlava, poftice dila- 

 tata in pinna maculam fubcaudalem ■£--. Pec- 

 torales fubtrigonae atrae radii 16. V. rotundatae, 

 alrae, margine intimo et extimo caeruleo, {~A. 

 afcendens, tota fufca, margine extimo caeruleo, 

 intimo llavo lineato poitice in pinria dilatata 



