PAPERS ON ZOOLOGY 

 I. MYXOSPOKIDIA^ 



299 



The follo"\\dng eighteen species of fish and one species 

 of reptile have been subjected to careful examination. It 

 may be understood that the fish were collected from the 

 drainage at Urbana, unless otherwise stated. 



S § .Eg .£.S 



ilmb/opKii* rupesfris. ... stony Creek November 2 



4meiuri« metos .... Oct. and Nov. 5 



A. natalis Stony Creek November 3 



Carpiodes difformis May 1 1 



C. thompsoni Stony Creek November 1 1 



Catostomus commersonii October 5 4 



C. nigricans Stony Creek November 1 



Eupomotis gibbosus Crystal Lake June 1 1 



1 



Lepomis cyanellus Stony Creek November 3 1 



Crj'stal Lake June, July 36 7 

 36 



L. humilis Stony Creek November 2 1 



1 



L. megalotis Stony Creek, 



Homer November 6 6 



L. pallidus Crj'stal Lake June, July 8 3 



L. sp.' October 2G 5 



Micropterus dolomieu ... Stony CTee\^ November 1 



M. salmoides Stonv Creek November 1 1 



Branchia Myxobolus dw- 

 crepant Kudo 

 Gall- 

 bladder Mpxobolus sp. ( ?) 

 Few spores 

 Gall- 

 bladder Chloromyxum car 

 tostomi Kudo 

 Myxidium sp. 



Gall- 

 bladder 



Ovary 



Urinary 

 bladder 



Mesen- 

 tery, etc. 



Kidney 



Urinary 

 bladder 



Ovary 



Gall- 

 bladder 



GaU- 

 bladder 



Gall- 

 bladder 



Chloromyxum tri- 

 jitgum Kudo 



Wardia ovinocua 

 Kudo 



Eennegnya Mic- 

 tospora Kudo 



Myxobolus mesetir 

 tericu.f Kudo 



ititraspora elon- 

 gata Kudo 



Eenneguya mic- 

 tospora Kudo 



TT'ordja orinocita 

 Kudo 



Chloromyxum trt- 

 jugum Kudo 



Chloromyxum tru 

 jugum Kudo 



Myxidium sp. A 



few spores 

 Myxobolus sp. (?) 



Few spores 



Urinary 



bladder Hennegitya mie- 

 tospora Kudo 



^ Descriptions of the Myxosporidia mentioned here are published 

 in the writer's work on Myxosporidia (Illinois Biological Monograph 

 Vol. V) which is now in press. 



' The fish were less than three centimeters in length, and could not 

 be identified. 



