132 ACANTHOPTERYGII. 



Genus IV. — LiCHiA, Guvier. 



Porthmeus, Cuv. and Val. (young). 



Brancldostegals eight : psendohrancMce ahsent. Body ohlong and compressed. 

 Cleft of mouth of moderate extent. Small teeth in the jaws, on the vomer, 

 palatine hotiex, and tongue. Tioo dorsal fins, the first consisting of free spines, 

 with an anterior one directed forwards : second dorsal low, with no finlets. Anal 

 soiuewhat similar to second dorsal, and with two pre-anal spines. Scales small. 

 Bi/loric a]ipendages in moderate or large numbers. Air-bladder present, bifurcated 

 pusferi'ji-lii. 



Liitken, Spolia Atlantica, p. 600, observes fhat Porthmeus argenteus is the 

 young of Lichia amia nut of a Ghorinemus ; he considers L. amia as the type 

 of a genus distinct from Lichia, terming it Porthmeus amia. He likewise 

 observes on L. calcar, B\., being the young of a Ghorinemus. 



Oeographicid distrihiit ion. — From the British Isles to Madeira aud the Cape 

 de Verd Islands, to the South Atlantic Ocean, from the coast of Africa to 

 Brazil. A species has been recorded from the coast of Chili in the South 

 Pacific. There are two species which have been found in the Mediterranean 

 and Atlantic, besides L. glauca. 



L. amia, D. 7/t?y, A. ~/-:^\. The upper maxilla reaches to at least as far 

 as to below the hind edge of the eye : lateral-line with a semi-circnlar curve 

 above the pectoral fin. Mediterranean and Atlantic Ocean in the Eastern 

 Hemisphere. 



L. vadigo, D. //a-g-l-j-j-, A. 2/-2 g-J^r. The upper maxilla reaches to below 

 the hind edge of the eye : lateral-line slightly bent above the pectoral fin. 

 Mediterranean and also Madeira. 



1. Lichia glauca, Plate XLVII, fig. I. 



Prima glauci species. Rondel, viii, c. 16, p. 2.j2, c. fig. ; Willughby, p. 297. 

 Glaucus, Ge.'iner, l-')'.)8, f. 61, c. fig. Laiiqjuge, Belon. p. 156. Scomber, No. 5, 

 Artedi, Genera, p. 52. 



Scomber glaucus, Linn. Syst. Nat. i, p. 494 ; Gmel. Linn. p. 1.332 ; Bl. Schn. 

 p. 33 ; Shaw, Zool. iv, p. 593. 



Gasterosteus glaucus (Forst.), Bl. Schn. p. 639 ; Forst. Descrip. Anim. Cur. 

 Lichtenst. p. 5. 



Carauic glaucus, Lacep. iii, pp. 58, 66. 



Sco7nber ascension is, Shaw, Gen. Zool. iv, p. 593. 



Gentronotus glaucos, Risso, Ich. Nice, p. 194. 



Gentronotus binotattis, Rafin. Caratt. p. 43, t. viii, f. 2. 



Lichia ylaucns (or glauca), Risso, Fur. Merid. iii, p. 429 ; Cnv. and Val. viii, 

 p. 358, pi. ccxxxiv; Val. in Webb, and Berth. lies Canar. p. 56, pi. xiii, f. 1; 

 Jenyns, Manual, p. 366 ; Yarrell, Brit. Fish. (Ed. 3) ii, p. 232, c. fig. ; Guichen. 

 E.xplor. Alger, p. 61; White, Catal. p. 34; Giinther, Catal. ii, p. 477; Canestr. 

 Faun. Ital. p. 110; J. Couch, Zool. 1859, x\'ii, p. 6333; Steind. Ich. Span. u. 

 Port. 1868, p. 41 ; Giglioli, Catal. Pesc. Ital. 1880, p. 28 ; Moreau, Poiss. France, 

 ii, p. 454, c. fig. 



Albicore, Couch, Trans. Linn. Soc. xiv, p. 82. 



Di-rhi.o, Couch, Fish. Brit. Isles, ii, p. 139, pi. xcv. 



B. viii, D. 5-6 I ^^^^T, P- 1", V. 1/5, A. 2/^3^,^, C. 17, Crec. pyl. 13-16. 



Vert. 10/14. 



Length of head 4| to 5, of caudal fin 4 to 4J, height of body 3|- to 4 in the 

 total length. Eije— diameter 3|- to 4 in the length of the head, 1 diameter from 

 the end of the .snout, and 1-J apart. Lower jaw slightly the longer: the maxilla 



