559 



Diplocurdia ciftnii * 

 Fin. n. Dorsnl view. 



Sparfiaiwphihif} eifteni 

 Via. (i. l^oisiil view. 

 I'''ii.'. 7. \'(Miti;il view of :mterior end. 

 I'Mti. S \ !•. Cocoons. 



BipJocdrdia riparia 

 Fu;. 10. Dorsal viow. 

 Fk;. 11. \'('iitral \ iew of antoiMor end. 

 I''i(i. 12. Cocoon. 



Diplocardia verritcosa 

 Fid. i;{. Dorsal view. 



UcUkJiUhs caJuiinos)!.^ irdpczoide.^ 

 V\i\. 14. Dorsal view, 

 i-'id. ir>. X'eiitral view o1' anterior end. 



Octolasium lacteum 



Fk;. in. Dorsal view of small specimen, showing ordinary appearance. 

 Fui. 17. Dorsal view of large specimen which has been freed from earthy matter 

 in the intestine. 



* The dr iwintfs from which this plate was made, were orifjitially iiitendf d for a paper of some- 

 what different scope, Init tliis fiyiire of a Florida sp.ciesis iiiclmieil, since Michaelsen's description 

 of it (1S94) was not illustrated. The species is not known to occur in Illinois. 



