358 Nl'-"^V YORK STATE MUSBIUM 



three foiiirlis of leugtli of head; the caudal peduncle long and 

 slender, its least depth about one third the length of head; width 

 of body about one half the length of head; head short, pointed, 

 its k'uglh one tifth of the total without caudal; snout slightly 

 shorter than eye, about Three and one fourth in length of head; 

 margin of u]per jaw formed chiefly by the curved premaxillary, 

 wlihli is nearly as long as the eye; eye equal to interorbital space, 

 and one third as long as the head; two rows of scales under the ' 

 eye; exposed part of maxilla two fifths as long as the eye; dorsal 

 origin nearly midway between tip of snout and base of middle 

 caudal rays, base of dorsal about as long a's eye, longest dorsal 

 spine one third as long as the head, fifth dorsal spine one fifth 

 as long as head, interspace between the two dorsals contained 

 lOh times in total length without caudal, second dorsal base one 

 half as long as head, longest dorsal ray equal to eye and 

 snout couddned, last dorsal ray equal in length to snout; anal 

 origin under end of spinous dorsal, also under 25th scale of 

 lateral line, anal base three elevenths of total length without 

 caudal, corresponding with 15 rows of scales, longest anal ray 

 equal to snout and eye combined, last anal ray one fourth as long 

 as head. The vent is under the last spine of the dorsal. The 

 vcntrals aie distant from the end of the head a space equal to 

 h'ligth of head, length of ventral e(iual to snout and eye com- 

 ItiiHMl. 1,' rows of scales between ventral origin and throat. 

 Middlr caudal rays about one half as long as head, external rays 

 five sixtiis as long as head, the tin deeply forked. The silvery 

 lan(l nowlM'ic covci-ing more than the widtli of one srale, though 

 nol liniilcd to one row. 



Translncrnt green; lateral land silvery, mostly on the le^cl 



"" 'I .v<\ its width less than one half the diameter of eye. 



S.ahs of nppei' parts with dark dots along their edges; chin 

 speeUled. 



'I'll.- coniMioii silveisides grows to a length of (i inches. 



'I'll.' silvrisidcs was lii-si made known liy \)v Mitchill undei- the 



"" '' ^'"'" ^ilveiside. Alherina notata, and he des- 



crilnd tin- yiHing of the same sjiecies as the green-sided silver- 

 Md.-, Aili.rina v i i- i d e s c e n s. 1 >r j)e Kay states that the 



