Koelz, Walter N. (continued) 



19280 Fisheries of the Great Lakes. General review. 

 In; Progress in biological inquiries, 1926, by- 

 Elmer HigginSo Eepo U. S, Goinm„ Fish, for 1927j 

 pp„ 660-6620 



Brief comments on a variety of subjects, including? 

 productivity of the different lakes in pounds per square mile, 

 importance of taxonomic study cf coregonids, a group contribut- 

 ing half of the total Great Lakes catch: collapse of the Lake 

 Erie ciscc fishery; evidences of general depletion and need 

 for international regulation of the Great Lakes fisheries » 



1929. Coregonid fishes of the Great Lakes. Bull, U„ S„ 

 BuTo Fisho, Volo a3 vPto 2), ppo 297-6U3. 



Monographic, taxonomi<2, and natural history study of core- 

 gonids of Great Lakes and Lake Nipigon, Includes extensive 

 data on morphclogicai variation^ geographical and bathymetric 

 disT^ribution, foods size, maturity^ and spawning seasons and 

 grounds o Discusses problem of origin and speciation in core- 

 gonids of the Great Lakes basin. 



I93I0 The coregonid fishes of northeastern America, Pap. Mich, 

 Acad. Sci.j Arts, and Lett,, Vol, 13 (1930), pp. 303-i;32. 



An elaborate systematizabion of coregonids of the area. 

 Divides L eucichthys artedi into 2I4. subspecies (1? described as 

 new), Go regonus clupeaformis into 7 subspecies (U new), and 

 ?£2B2£^E. q)\adr ilat er ale into 2 subspecies (1 new). Includes 

 also original description of Leucichthys bartletti. 



Krumholz, Louis A,, and Ralph Hile 



19Uii, Fillet weights and loss in filleting of yellow pikeperch, 

 S;c.iz o5tedion v, vitreum (Mitchill) , from Sagiriaw Bay, 

 November 19^2, May ifu'sis and April 19hho Inst, Fish. 

 Res., Michigan Dept, Cons., Rep, No, 973s '^ PP« 



Review of series of filleting experiments that served 

 as basis of pi-esent Michigan minimum legal weight of 9 ounces 

 for walleye fillets. 



.2ii. 



