nus Cluftta by the lobed and shielded opercule, the curious. 

 mouth, the bodily shape, and the want of lateral appendage. It 

 belongs of course, with the four following, to the family of Glu* 

 pides. The name means lobed opercule. 



26th Species. Ohio Goi.dsuad. Pomclobus. chrysochloYis. 

 Pomolobe dore. 



G eenish-gold above, silvery beneath; lateral line straight:.. 

 diam'etef two ninths of the length: dorsal and anal fm trapczoi- 

 dal'and with !8 rays: tail brown and forked. 



A fine fish from twelve to eighteen inches long. Flesh cs- 

 teetned, white and with less bones than the shad. It is taken 

 with the seine and harpoon, as it seldom .bites; at .tb.e hook, it 

 preys however on some small fishes. It seldom gOfiiasJacaa. 

 Pittsburg', and does Tjoi run up the cr-eeks. AtJ.h&fcU£iLaj»-!. 

 pears in M>rsb and.ApriL.ftnd disapgears in Septejofcer, Its 

 vulgar names are' Ohio Shad, Gold Shadj Green Herring, Sec- 

 It has" the back convex, blue under the scales Sides, belly,, 

 and throat with purple and violet shades. Top of the head and 

 neck clouded with brown. Several sutures on the sides of the 

 head. ..Vpp^!' 1»P truncate, flcxuose, and even rctusc; the low- 

 er obtuse and brown at the end. Eyes black; iris silvery anA 

 gilt. Opercule nearly trilobe, the upper lobe covered by a large 

 ohovaLand radiated shield. Scales large deciduous, lateral line 

 concealed by them. Dorsal fin olivaceous, in the middle of the 

 back, first and second ray shorter. and_sim pic, the third long, the 

 others gradually shorter. Anal tin consimilar but whitish^ Pcc- 

 toral and abdominal fins trapezoidal, the lo west rav simple^ d 

 the longest: pectoral 15 rays. Tail equal 32 rays, browny tij> 

 durlcfrr/f-qnajy decurreqt on each side, end of j -he body truncate. 

 XI. Genus. Gizzard. Dorosoma. Dorosomc. 

 Body lanCsftfete*- compressed ^ scaly ,, Vent medial. Abdo- 

 men carinated, serrated, and. with broad tranversal aco YcSj, a s far 

 as the abdominal fins. Head scaleless, gill cover triple, oper- 

 cule simple: mouth diagonal without teeth, lower jaw short- 

 er. Abdominal fins with nine rays and no appendage: dorsal 

 opposite. 



It differs from Clufiea and Pomplobus, by the medial vent, 

 lanceolate body, gill covers, S;c. .The name means lanceolate 

 body. 



