46 EARTHWORMS AND LEECHES [CH. I 



generally on 26th, rarely on 25th also. First dorsal pore 

 between 7th and 8th. Total segments 110 to 180. Length 

 90 to 300 mm. Thickness 6 to 9 mm. 



L. papillosus Friend. Pale red-brown. Hinder end flattened. 

 Setae at extremities larger than in mid-region and not so 

 closely paired. Clitellum from 33rd to 37th or 38th. 

 Tubercula pubertatis from 34th to 37th, papilliform on 34th 

 and 36th. Male apertures conspicuous. Genital setae on 29th 

 to 32nd and 38th and 39th, or some of these. First dorsal 

 pore between 9th and 10th, or rudimentary (?) up to between 

 6th and 7th. Total segments ab.out 130. Length about 

 100 mm. Thickness (max.) 8 mm. 



L. festivus (Sav.). Light red-brown. Clitellum from 34th to 39th. 

 Tubercula pubertatis from 35th to 38th. Male apertures 

 conspicuous. First dorsal pore between 5th and 6th. Total 

 segments 100 to 120. Length 55 to 100 mm. Thickness 

 5 mm. 



