106 BULLETIN 140, UNITED STATES NATIONAL MUSEUM 



11. Preanai sucker of male 280m long, its posterior edge 883m from tail end ; 



ovejector of female 899m long Subulura bentocruzi, p. 110. 



Preanai sucker of male 143m long, its posterior edge 508m from tail end ; 

 ovejector of female 1.28 mm. long Subulura reclinata, p. 124. 



12. Male with 8 or 9 pairs of caudal papillae 13. 



Male with 10 or more pairs of caudal papillae 15. 



13- Spicules 590m long ; tail of female 1.16 mm. long Subulura gracilis, p. 134. 



Spicules 880m long; tail of female not over 800m long 14. 



14. Male 10.5 mm., female 14.8 mm. long; male tail 1/38, female tail 1/18.7 of 



total body length Subulura acuticauda, p. 133. 



Male 6.78 mm., female 9.26 mm. long ; male tail 1/25.7, female tail 1/14 of 

 total body length Subulura recurvata, p. 124. 



15. Male with 10 pairs of caudal papillae 16. 



Male with 11 or more pairs of caudal papillae 23. 



16. Description incomplete; male 7 mm. long, female 12 mm. long; vulva of 



female said to be posterior to middle of body Subulura acutissima, p. 107. 



Size of worm usually greater than above; vulva anterior to middle 

 of body 17. 



17. Spicules not over 790m long 18. 



Spicules 880m or longer 20. 



18. Male 4.5 mm., female 8.5 mm. long; spicules 790m long; eggs 65m long by 



49m wide Subulura poculum, p. 123. 



Male 8.2 mm. or longer ; female 13.6 mm. or longer ; spicules not over 



700m long; eggs not over 50m long by 40m wide 19. 



39. Male 8.2 mm., female 13.6 mm. long; gubernaculum rectilinear; ovejector 

 short, its total length 1.28 mm., the trompe being 385m long. 



Subulura forcipata, p. 115. 

 Male 14.5 mm., female 22 mm. long; gubernaculum triangular, with horns 

 anteriorly ; ovejector very long, the trompe up to 5 mm. long. 



Subulura noctuae, p- 119. 



20. Spicules not over 900m long 21. 



Spicules over 1 mm. long 22. 



21. Cloacal aperture of male 318m, anus of female 600m from end of tail ; eggs 



49m long by 41m wide . Subulura rimula, p. 125. 



Cloacal aperture of male 200m, anus of female 800m from end of tail; eggs 

 65 to 75m long by 52 to 55m wide Subulura plotina, p. 122. 



22. Cloacal aperture of male 170m, posterior end of sucker 500m from tail end ; 



gubernaculum 100m long; eggs 59m long by 50m wide. 



Subulura differens, p. 111. 



Cloacal aperture of male 250 to 315m. posterior end of sucker 590 to 815m 



from end of tail; gubernaculum 175 to 210m long; eggs 75 to 80m long 



by 65 to 70m wide Subulura brumpti, p. 112. 



23. Lateral alae extend entire length of body; male with 13 pairs of caudal 



papillae; female 21 to 35 mm. long, its tail only l s of total body length. 



Subulura leprincei, p. 118. 



Lateral alae extend not farther than first part of intestine (except possibly 



in 8. halli where alae not described) ; male with 11 pairs of caudal 



papillae; female not over 19 mm. long (except possibly in S. mctoria 



where may reach 23 mm.), its tail being longer than above 24. 



24. Posterior end of preanai sucker 860m, or farther, from caudal extremity. 25. 

 Posterior end of preanai sucker not over 50/* from caudal extremity 26. 



