34 pomacentrih.t:. 



Brown : a black spot superiorly in the axil of the pectoral, and a 

 blackish spot on the back of the tail. 

 Caribbean Sea. 



a-e. Adult : skins. Jamaica. From Dr. Parnell's Collection. 



43. Pomacentrus nigricans. 



Holocentnis nigricans, Lacep. iv. pp. 332, 367. 



Pomacentnis nigricans, Cuv. ^- Vol. v. p. 425; Quoy ^- Gaim. Vay. 

 Uran. Zool. p. 399. 



The height of the body is one-half of the total length ; the upper 

 profile of the head is nearly straight ; the infraorbital is narrow and 

 very finely serrated posteriorly ; prseoperculum rather indistinctly 

 denticulated ; operculum with two small spines. Uniform blackish- 

 brown. 



Sandwich Islands. 



44. Pomacentrus latifrons. 



Ihchudi, Faun. Per. Pise. p. 17. 



"■ 20- ^- iT 



The height of the body is somewhat more than one- third of the 

 total length. The middle dorsal spines are longer than the posterior 

 ones. Caudal emarginate. Uniform grey. (Tsch.) 



Coast of Peru. 



We are not certain whether this species really belongs to Poma- 

 centrus. Tschudi does not say anything about the denticulations of 

 the prfeorbital and praeopercijum ; the vertical fins are scaly. We 

 are not aware whether, or where, the typical specimens, which were 

 nine inches long, are preserved; 



6. GLYPHIDODON*. 



Glyphisodon, pt., LacSp. iv. p. 542. 

 Glyphisodon, Cuv. Rbgne Anim. 



Euschistodus, Hvpsj'pops, sp., et Glvphidodon, Gill in Proc. Ac. Nat. 

 Sc. Philad. 1862, pp. 145, 147. 



* 1. Glyphisodon abdominalis, Qiioy S( Gaim. Voy. Urayi. Zool. p. 390; Cuv. 

 ^ Val. v. p. 457. — Sandwich Islands. 



2. Bodianus macrolepidotus, Bl. t. 230; Bl. Schn. p. 831 ; Lacep. iv. p. 286. 



— Glyphisodon macrolepidotus, Cuv. ^ Val. r. p. 473. — East Indies. 



3. margariteus, Cuv. 8f- Val. v. p. 470. He de France. 



4. glaucus, Cuv. ^ Val. v. p. 475. — Guam. 



5. dickii, Lienard, Dix. Bapp. Soc. Hist. Nat. Maurit. p. 35. — The pub- 

 lication containing the short description of this species not being easily 

 accessible, we copy the note of M. Lienard : " Elle a et4 trouvee dans 

 I'estomac d'un Merou peche par 40 brasses de profondenr. Sa forme 

 est tres raccourcie, sa dorsale et son anale sont tres ^levees et finissent 

 en pointe. Son profil n'est pas arque comme celui de presque tons 



