174 Agricultural Gazette. 



done. This worm is said to be killed by the digestion of domestic animals, 

 so that manure could not be infected except by bits of bedding, &c., used 

 in stalls. This worm is not injured by moderate desiccation. 



15. T. velatus, Biitschli. Female unknown. ^ — , — , — ^^ fs ■''"■"'• The 



conical neck terminating in a head devoid of lips and papillas and appearing 

 emarginate in optical section ; spear rather slender, bulbed at the base ; 

 oesophagus seemingly devoid of bulbs ; poms excretorins at fourteen per cent. ; 

 tail conical, almost completely enveloped by a bursa devoid of ribs ; spicula 

 cuneiform, equalling the anal diameter in length; accessory pieces (?). 



Eoots of moss, rrankfort-on-tlie-Maiu, Germany. 



16. T. leptosoma, Do Man. '?" ' 'f '"'» V "«■""■■ Strisc exceedingly 

 fine : neck tapering much ; homocephalous, the head rounded in front ; lips 

 and papilla; none; spear weak, bulbed; crsophagus distinct; median bulb 

 ellipsoidal ; tail conical, the terminus setaceous. 



';° • '7 ,"„ °f oomm. Tail like that of the female ; bursa extending but 

 a short distance on each side of the anus ; spicula slender and devoid of 

 accessory pieces. 



Very common in moist soil, Holland. 



17. T. filiformis, Biitschli. »-jiL_|_l?l_il!L_™;i .55mm. Two hundred and 

 fifty strife ; heterocephalous, the head being rather long, rounded in front, 

 and devoid of lips and papillae ; spear bulbed ; median ceso])hageal bulb 

 ellipsoidal, situated at one-third the distance from the mouth to the intes- 

 tine ; cardiac bulb larger, and of about the same shape ; cardiac collum 

 broad and indistinct ; cells of the intestine coarsely granular ; rectum longer 

 than the anal diameter ; j)orus excrc/orins at twelve per cent. ; lateral wings 

 distinct ; vulva inconspicuous ; rudimentary posterior branch of the sexual 

 organs reaching one-fourth the distance to "the anus ; eggs as long as the 

 body is wide and one-half as wide as long. 



. ';" I '»;3 M |_ .53 „m. Tail like that of the female; bursa like that 



of number 16 ; spicula slender, arcuate, and unaccompanied by accessory 

 pieces. 



Fraukfort-on-the-Main, Germany, and in Holland ; common in the soil. 



18. T. macrophallus, Do Man. --■ ? I T "L V •^'"""- Cuticular 

 finely striated ; neck tapering but little ; homocephalous, the head being 

 truncate in front and devoid of lips and papillm ; spear large and stout ; 

 median bulb larger in the female than in the male ; posterior end of the 

 oesophagus widened and pocket-shaped ; poms excretorins at twenty per 

 cent. ; tail conical. 



-5;'_^2M_^i_j>M_ .^, ,„___ rp.,;! conical ; bursa like that of the two pre- 

 ceding species ; spicula large, somewhat arcuate, acute, unusiially long, with 

 short, rod-like arcuate accessory pieces. 



An active species, rare in fresh-water meadows, Holland. 



19. T. pillulifer, A''on Linstow. w ; ":' ":, T ■"."■"■■ Neck conoid 

 to the rather rounded head, which appears in optical section to be deeply 

 emarginate; spear bulbed ; oesophagus cylindroiJ, over one-third as wide as 

 the neck ; pioriis excretorins at twenty per cent. ; tail conical. 



