122 FISHES. 



168. Pleuronectes microcephalus Donov. Smear Dab. 

 Resident, common. 



This is the ' Smooth Dab ' or ' Lemon Dab ' of Yarrell. 



169. Pleuronectes cynoglossus L. Craig-Fluke. Pole. 



170. Pleuronectes elongatus (Yarrell]. Long Flounder. 



171. Pleuronectes flesus L. Flounder. 



Resident, abundant along the coast and in rivers within and 

 even beyond the influence of the tide. The distance to 

 which it now attains commonly in the rivers is consider- 

 ably curtailed by the comparatively recent erection of 

 numerous dams and weirs. A few, however, small in size, 

 are found in the Nidd at Wilstrop and Kirk Hammerton. 

 Ascends the river Ribble as far as Mytton every year, in 

 May or June, leaving again in September. 



172. So lea vulgar! s Quensel. Sole. 



Resident, common off the coast. Has once occurred at 

 Goole, in the estuary of the Humber, near the mouth of 

 the Ouse. 



173. Solea aurantiaca Gunth. Lemon Sole. 

 Resident, not uncommon. 



174. Solea variegata (Donov.). Variegated Sole. 



175. Solea minuta (Parnell). Dwarf Sole. 

 Reported as having been taken at Whitby. 



This species is also called < Solenette ' or ' Little Sole' by 

 authors. 



Order 4. PHYSOSTOMI. 



Fam. 



Sub-fam. CYPRININA. 



176. Cyprinus carpio L. Common Carp. 



Introduced. Occurs in the Swale, Codbeck, and Grimescar 

 Beck, and also in artificial waters throughout the county. 



