6og 



CANADA STICKLEBACK. 



Gasterosteus Canadensis. G. spinis dorsalibus oeto, analibus 

 nullis. 



Stickleback with eight dorsal and no anal spines; 

 Gasterosteus Canadus. Lin. Gmel. 



Dorsal and anal fin subfalcated : tail slightly 

 bilobate : native of the American seas. 



SKIPPING STICKLEBACK. 



Gasterosteus Saltatrix. G. spinis dorsalibus octo membrana con* 

 nexis. 



Stickleback with eight dorsal spines connected by a membrane. 

 Gasterosteus Saltatrix. Lin. Gmel. 



Allied in some degree to the genus Perca : in 

 the upper jaw two rows of teeth ; in the lower one: 

 dorsal spines weak, connected by a fine membrane, 

 situated low on the back, and received at pleasure 

 into a furrow or channel : colour of the back green : 

 tail forked. Native of the seas of Carolina, where 

 it is observed to be very frequently skipping out of 

 the water. 



v. iv. p. n. 



30 



