I't6 



latitic coast oi" Northern Africa. Tlie f'ollowing apparently new spe- 

 cies contained in it vvere pointed out by Mr. Bennett. 



PoLYNEMUs AuTEDii. Pol. dtgitis quinque corpore longioribus ; 

 pirma anali elongatd : pinnis dorsalibus, caudali, pectoralique 

 nigro-irroratis. 

 D. 7,-^. P. 15. A.^. 

 Pol. quinquarius? Linn. — Seba, Thes. tom. iii. pi. xxvii.y; 2. 

 Longitudo corporis, 6^; pinnae caudalis, 2^; digitorum 3tii 



4tique, 16 ; latitudo corporis 14 unc. 

 Except in the elevation and triangular form of the first dorsal fin, 

 in which it agrees witli the other Polynemi, this species difFers in no 

 respect from the fish figured by Seba, and describcd by Artedi in the 

 text of the 'Thesaurus' under the name o^ Pentanemus. On this 

 Linnaeus established his Pol. qmnquarius. MM. Cuvier and Va- 

 lenciennes have recently united the latter with Pol. paradisceus, 

 Linn., to form their Pol. longifilis : a union to which they vvere 

 induced by a belief that Pol. qidnquanus vvas founded on a mutilated 

 specimen, in which two of the free rays on each side had been re- 

 moved, — their extensive inąuiries having failed in procuring for 

 them any Polynemus possessing free rays exceeding the body in 

 length and only five in number. There is, however, another marked 

 distinction in Seba's figure in the length of the anai fin, which is 

 nearly twice that usual in the genus, containing almost double the 

 usual number of rays. In this respect and in the number and length 

 of the free rays beneath the pectoral fin, Pol. AHedii agrees vvith 

 the figure and description o f Pol. quiyiquarius, with which, but for 

 the difference in the form of the first dorsal fin, it mušt have been 

 regarded as specifically identical. Its distinction from the other 

 knovvn species is easy, on account of the very remarkable charac- 

 ters just noticed. 



Fam. ScoMERiD.ff:. 

 Genus Apolectus. 

 Corpus elongatum, subalepidotum. 

 Linea lateralis a?qualiter squamata. 

 Pinnce dorsales approximatae, subcontinuae. 

 Dentes maxillares fbrtes, conici, distantes. 



Genus Cybio, Cuv., maxime affine: vix dilFert nisi dentibus coni- 

 cis dissitis. 



Adjungendus videtur Bcomber maculatus, MitchiiJ, Trans. Nevv 

 York, vol. i. p. 248. pi. vi. f 8. 



Apolectus immunis. Ap. immacidatus, supra pallide cccruleus, 

 ad latcra et infra argenleus; 'pinna dorsali priore antice atrd. 

 D. 18, 24 (8'spur.). A. 23 (8 spur.). P. 19. 

 NoMEUs MACULosus. Noni. argenteus, dorso late, lateribus, pin- 

 nisque nigro maculatis : pinnis ventralibus nigris. 

 D. 10, 28. A. 27. P. 20. V. i- C. 19. 

 Picturaabunde difFert a figūra Scombri maculati, Mitch., qui, mo- 

 nente cl. Cuvierio, idem ac Nomeus Mauritii, Cuv., [Gobius Grono- 

 vii, Gmel.J. 



ExoccETUS piNNATiB.'VKRATUs. Exoc. phinis pcctoraiibus analem, 

 ventralibus caudalcm atlingcntibus ; dorsali altd {dcpress& caiida- 



