4 REV. R. T. LOWE'S SUPPLEMENT TO HIS 



Thynnus Albacora. — " Atum Albacora." — T. corpore elongato, postice attenuato : pinnd 

 anali secunddque dorsali antice longe falcato-productis : pectoralibus ad medium se- 

 cundfs dorsalis attingentibus : ore ocidisque parvis. 



Tunny, Penn. Brit. Zool. Ed. 1. iii. 266. No. 133. t. 52. excl. syn. An L'Auxide de 

 Sloane, Scomber Sloanei, Cuv. et Val. Hist. VIII. 148 ; i. e. Albacore, Sloane, Hist, 

 of Jam. 1. t. 1. f. p. 28? Sat. vulg. 



The length of the narrow produced fore-part of the second dorsal fin varies from one- 

 sixth to one-fourth part of the whole length of the fish ; that of the pectoral fins is from 

 one-fifth to one-fourth part of the same, and their tips reach to the middle of the second 

 dorsal fin. Thus, in this latter point it is intermediate between the common Tunny 

 (T. vulgaris, L.) and the following new species (T. obesus, nob.) ; approaching most the 

 latter. 



Pennant's figure is at least a tolerable representation of this very distinct species, 

 agreeing with it in its main points of difference from the true T. vulgaris, L. It may 

 be hoped that the attention of British Naturalists will be directed to this point. The 

 proper season for the Albacora in Madeira is September and October. 



Thynnus obesus. — "Atum Patudo." — T. corpore abbreviato, obeso : pinnis acutis ; 

 pectoralibus ad finem secundcs dorsalis attingentibus ; oculis magnis. 



Vulgaris. 



This fish is constantly distinguished by the fishermen from the common Tunny or 

 "Atum Rabilha" (T. vulgaris, L.) by the larger eye, and shorter thickset figure. The 

 pectoral fins vary from one-fourth to nearly one-sixth part of the whole length, their 

 points reaching to the end of the second dorsal fin. In T. vulgaris, L. the tips of the 

 pectoral fins reach only to the end of the first, or to the beginning of the second dorsal 

 fin. 



T. obesus is in greater abundance earher in the summer than T. Albacora. In size it 

 ranges next below T. vulgaris, L., not however attaining above half the extreme size of 

 that species ; nor much exceeding the full size of T. Albacora. 



Thynnus Alalonga, Cuv. et Val.— "^(«m Avoador."—Cnv. et Val. Hist. VIII. 120. 

 t. 215. 



Orcynus Alalonga, Risso, iii. 419. Vulgaris. 



No difficulty can occur in the recognition of this species, from the great length of the 

 pectoral fins, which are one-third part of the whole length, and reach to the end of the 

 anal fin, or to the first spurious finlet behind it. Its proper season is said to be Janu- 

 ary. 



Gen. Aphanopus, nob. 

 Gen. Char. — Form as in Lepidopus, elongate, much compressed, like a sword-blade, 

 naked, but with a short keel on each side, towards the tail. 



