Genus LEPTOCEPHALUS Gronovius. 



Zoophyl. Gronov. 1763. Fasc. I. N:0 410. p. 135. 



Subgenus Helmichthys. 



Helmictis RAFINESQUE. Ind. d'ittiol. sic. 1810. p. 62. 



The body is not compressed or but slightly so, 

 and is cylindrical or subcylindrical in shape. Of the 

 forms referred to this subgenus the following are found 

 represented in the "collection: 



L. Morrisii Gmel., L. Kollikeri Kaup and L. Kau- 

 pii Facc. 



1. L. Morrisii Gmelin. 



C. A. Linn£, Syst. Nat. 1785. T. I. p. 1150. 



In determining this species I have, given it the 

 same extent as Dr. Facciola in his work: "Rivista 

 delle specie di Leptocephalidi del mar di Messina"; 

 it includes therefore Helmichthys (Helmictis) punctatus 

 Rap., too. 



There are three examples of the species in the 

 collection. Two of them are typical L. Morrisii; one 

 was obtained by Professor Tameblan Thobell off Nice, 

 the other by Dr. Adole Appellof off Messina; the third 

 specimen, procured off Scilla in Calabria, in the Straits 



