754 



THE AMERICAN NATURALIST 



[Vol. XLI 



during- the spring and early summer seasons, and conveys some 

 idea of the great fishing industry to which it has given rise within 

 tlie past twelve years. 



Description of Polyodon 



Polyodon m the lakes bordering the 1ow<m- Mississippi River 

 attains a niiicli greater size than m the Oliio and iij)per Mississippi 



northern parts of their range are rather small fislu's. In the 

 metropolis of their distnl.utKm, h(.\vevcr, thev oltcii attain a length 

 of almost six feet tlu loiutM oiu (.l.^ntd \n tlu ^\llt(l heing 

 five feet and nine uulu. tiom the tip of the tuU to the end ot the 

 snout, l^heir weight often exceeds one hundred ])oiinds; one 



A\ idiin^n.n Alis.issippi, \\heie the hdi ^\eIe lai-d than m an\ 

 otlicr lakr vi.ilcd. 



Til.- shape ..r Polvodon is shown in the nccompaii\ iiig photo- 

 gr-ii>h V'vj: I Vote the contrast hetwecn th(> slender shark-like 

 hum nt th im.1.11. iiuliMdiial ^^huh i. i dull Ktcii.ti. md-hsh 



ail.l tlu Ik Im1\ pi<)p<.ltl.)lU<l l...(K oi tlu hk<-fl.ll (Ml (ItlKl Md« 



