270 
FISHES. 
Division ACANTHOPTERYGII MUGILIFORMES. 
Family ATHERINID-ffi. 
106. Atherlna presbyter, Cm. Sand Smelt Atherine. 
107. Atherina Boyeri, Bisso. Boyer's Atherine. 
Family MU&ILIDiE. 
108. Mugil capito, Cuv. Grey Mullet. 
109. Mugil chelo {Cuv.). Lesser Grey Mullet. 
" Pelcher." Common along the east coast of Sutherland in 
suitable places, and " pretty plentiful in Wick Harbour and 
mouth of the river in winter " (Peach). Seems to be much 
rarer on the south shores of the Firth, as Edward had only 
met with two examples. 
Division ACANTHOPTEEYGII GASTEOSTEIFOEMES. 
Family GASTROSTEID.ffi. 
no. Gastrosteus aculeatus, L. Stickleback. 
Under this species are included, according to Dr. Day, six 
other varieties, the differences between them being too 
slight to constitute them into species. 
The three-spined stickleback, or " Bandstickle," as it is called 
in Caithness, is common all round the Firth, both in salt 
and fresh water. 
