id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
inhs-428	Smith, Frank	A Preliminary Account of two New Oligochaeta from Illinois	1895	12	.pdf	application/pdf	3695	256	73	The following are some of the differences which dis- tinguish D. riparia from D. eiseni: (1) The sperma- thecal pores are in the posterior part of the somite in the latter species, while in the former they are near the anterior margin; (2) the ventral setae of somites VIII and IX are modified in D. eiseni and not in D. riparia; (3) a glandular thickening of the ventral sur- face of somites VIII and IX is present in D. eiseni and not in D. riparia; (4) setae 2, or b, are present in somite XIX in D. eiseni and not in D. riparia; (5) the first pair of nephridia in D. eiseni is found in somite III, while in D. riparia a pair is present in somite II; and (6) the first dorsal pore seen in D. eiseni is in the first clitellar somite, while in D. riparia it occurs in the an- terior part of somite XI. male pore is also upon somite XIX, in a longitudinal groove, but is near the anterior margin of that somite.	cache/inhs-428.pdf	txt/inhs-428.txt