558 



LITERATURE CITED 



Garman, H, 



'88. On the Anatomy and Histology of a New Earthworm 

 {Diplocardia communis, gen. et sp. nov.). Bull. 111. State Lab. 

 Nat. Hist, 3:47-77- 5 Pl- 



Harper, E. H. 



'05. Reactions to Light and Mechanical Stimuli in the Earth- 

 worm, Perichaita bermudensis (Beddard). Biol. Bull., 10: 17- 

 34- 



Michaelsen, W. 



'00. Oligochaeta. Das Tierreich, to Lief. XXIX+575 pp., 13 

 fig. Berlin. 



Smith, P. 



'95a. A Preliminary Account of two New OHgocha?ta from Illi- 

 nois. Bull. 111. State Lab. Nat. Hist., 4: 138-148. 



'95b. Notes on Species of North American Oligochxta. Bull. 111. 

 State Lab. Nat. Hist, 4:285-297. 



'00. Notes on Species of North American OligocliDcta. III. List 

 of Species found in Illinois, and Descriptions of Illinois Tu- 

 1)ificid.'e. Bull. 111. State Lab. Nat Hist., 5:441-458. 2 pi. 



Smith, P., and Gittins, M. E. 



'15. Two New Species of Lumbrici(hc from Illinois. Bull. 111. 

 State Lai). Nat. Hist., 10:545-550. 



Ude, H. 



'95. Beitriige zur Kenntnis der Enchytraeiden imd Lumbriciden. 

 Zeit. f. wiss. Zool., 61 : 111-141. i pi. 



EXPLANATION OF PLATE* 



Plate XLI 



Ilelodrilns r/ieseleri hempeli 

 Fig. 1. Dorsal view. 

 Fkj. 2. Ventral vitnv of anterior end. 

 Fio. 3. Cocoon. 



Diploriirdia fsiiiiinhiris fliiviafilis 

 Fig. 4. Dorsal view. 



*AU figures of uatural size, and from drawing's by Lydia M. Hart (Green). 



