TL' t . i Kir.rTinNs TO Nnirni AMKIMCAX ICHTHYOLOGY iv. 



. din- ha- ln-i-ii described from tin- Sandwich Islands. It isinviexv 

 of the prtilialiilit v of its occiinvncc as an occasional visitoron our West- 

 ern coasts lhai il is introilnccd. 9 



Aa already notieed. in \"olnine VI, ]>a^e 171', of llie iiiilletin of the 

 Mii.si-niM ol' Comparative /o<ilouy, the sjiecies recent ly described by Dr. 

 (liintlier, Tii/i/on l-<n-Iii/itr/iN and Tnjyon rctlciildtnx, lieloni;- to tlie.ucnns 

 r,iliinn>f,-i/ti<>n. \\liich includes the peculiar species of the family inhabit- 

 ing the riv<T> of South America. 



