Suborder ABDOMINALES. 

 Family Heteropygii. 

 Genus AMBLYOPSIS. 



30. The Blind-fish (Amblyopsis spelceus, Dekay). 



Hob. The lake or stream in the Mammoth Cave of Kentucky, North 



America. 



The darkness in which this little fish habitually lives, renders a develop- 

 ment of the visual organs beyond the grade at which the presence of 

 light is appreciated, uncalled for. The brain has been exposed in the 

 present specimen to show the small relative size of the parts called ' optic 

 lobes.' Presented by Dr. Warren. 



Family Clupeida. 

 Genus CLUPEA, Linn. 



31. The Herring (Clupea Harengus, Linn.). 



Fig. Bloch, Hist, des Poissons, tab. 29. fig. 1. Yarrell, Hist, of British 



Fishes, vol. ii. fig. at p. 110. 

 Hob. Seas of Europe. 



32. The Sprat {Clupea Sprattus, Linn.). 



Fig. Bloch, Hist, des Poissons, tab. 29. fig. 2. Yarrell, Hist, of British 



Fishes, vol. ii. fig. at p. 121. 

 Hob. Seas of Europe. 



33. The White-bait (Clupea latulus, Cuvier ; Clupea alba, Yarrell). 



Fig. Yarrell, Hist, of British Fishes, vol. ii. fig. at p. 126. 



Hob. The estuary of the Thames and some other rivers of Europe. 



34. The Pilchard {Clupea Pilchardus, Bloch). 



Fig. Bloch, Hist, des Poissons, tab. 406. Willughby, Historia Piscium, 



tab. P. I. fig. 1. 

 Hab. Seas of Europe ; abundant off the south-west coast of England. 



35. Erythrinus balteatus, Gronov. 



Hab. Seas of Southern America. 



