206 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885. 



Mugil albula, L. 



Lixn:^, Syst. Nat., eel. xii, 520. 



The length of the typical example is 290""° without caudal. There are 

 forty scales iu a longitudinal series, and thirteen in a transverse series. 

 At least two scales seem to be absent from the end of the lateral line. 



Anal III, 8. 



There seems to be no doubt that this is the species which is known 

 to recent writers as Mugil albula. 



Clupea thrissa, L. 



LiNXE, Syst. Nat., ed. xii, 524. 



Two skins labeled by Linne '■'■Chipea thrissa e Carolina" are Borosoma 

 cepediamtm. Upon the strength of these specimens referred, in edi- 

 tion xii, 524, to C. thrissa, the name thrissa, evidently not based upon 

 Brown's meager data, Nat. Hist. Jam., 443, but upon the notes of Lager- 

 strom and Osbeck, has been attached to our American Opisthonema. 

 The specific name thrissa, which has been applied since the time of 

 Broussonet, 1782, to fishes of the Opisthonema type, properly belongs 

 to some Chinese form, perhaps some member of the genus Dorosoma. 



The description given by Linn6, x, 318, is based upon the descrip- 

 tions of three previous authors — Brown, ISTat. Hist. Jam., 443, whose 

 few words do not constitute a description from which the fish seen by 

 him can be identified; Odhelius, who, in his Chinense Lagerstromiana, 

 gave a partial description,* with radial formulae from which Linne bor- 

 rowed his count of anal rays in his description, and which may possibly 

 apply to Eichardson's Chatoessus maculatus ; and Osbeck's Dagbok ofver 

 en Ostindisk Eesa, &c., Stockholm, 1757, 257, the description in which is 

 moderately full, and may apply to the Chatoessus punctatus, Schlegel, 

 of China and Japan. 



As already stated, the specimens sent by Garden to Linne, which the 

 latter provisionally referred (edition xii, 524) to G. thrissa, are Dorosoma 

 cepedianuni. 



Broussonet was the first to make a definite assignment of the Lin- 

 nean name to the American form, of which he had seen specimens from 

 Carolina collected by Dr. Blagden, and from Jamaica collected by J. 

 Ellis, the latter in Mus. Banks. And of this form he published a good 

 description and figure, Ichth. Decas , i, penultimate species, with plate 

 following. 



The first description of the Opisthonema of the Western Atlantic 

 aj^pears to have been that of Lesueur, Jour. Acad. Nat. Sci., Phila., i, 

 1817, page 359, under the name Megalops oglina. If this be correct the 

 species must be called Clupea (or Opisthonema) oglina. 



Cyprinus americanus, L. 



LiNNii, Syst. Nat., ed. xii, 530. 



There are two types of Cijprinus americanus, and the paper on which 

 they are fastened is labeled by Linne. 



*Amcen. Acad , iv, 1759, 251. 



