1900. i EARTHWORMS OF THE GENUS AMYNTAS. 635 



Spermiducal gland entirely absent. Diverticulum of spermatheca 

 long. 



Hab. Japan. 



60. Amyntas vittatus G-oto & Hatai. 



Perichceta vittata, Goto & Hatai, Ann. Zool. Japon. ii. p. 74. 



100 mm., 68 segments. Setae 57 on vii., 60 on xviii. Caeca six 

 pairs. Spermiducal glands entirely absent. Spermatheca? three 

 pairs in each of their two segments. 



Hab. Japan. 



G. Sperrnathecae 3 pairs in vi.— viii. 



61. Amyntas bournei Rosa. 



Perichceta bournei, Rosa, Ann. Mus. Civ. Genova, (2) x. p. 110. 



150 mm., 130 segments. Setae 60. Papillae, two by each male 

 pore and one close to each spermathecal orifice, provided with 

 glands. Spermiducal gland not very large, its duct curved. 

 Diverticulum of spermatheca as long as pouch. 



Hab. Burma. 



I am much disposed to think that this species is really haivayanus. 



62. Aymntas proporus Rosa. 



Perichceta propora, Rosa, Ann. Mus. Civ. Genova, (2) xvi. p. 522. 



60 mm., 62 segments. Setae more crowded below, 44 on vii., 40 

 on xvii. Two or three minute papillae behind each spermathecal 

 pore. Spermiducal gland in xvi.-xxi., with curved duct. Diver- 

 ticulum of spermatheca? longer than pouch and zigzag above. 



Hab. Sumatra. 



Perhaps the same remark may be made about this species as 

 about the last. 



63. Amyntas sieboldi Horst. 



Megascolex sieboldi, Horst, Notes Leyd. Mus. v. p. 191. 



Perichceta siboldi, Michaelsen, Arch. f. Naturg. 1892, p. 235. 



Perichceta sieboldi, Beddard, Zool. Jahrb., Syst. Abth. vi. p. 759 ; 

 Horst, Notes Leyd. Mus. xx. p. 240 ; Goto & Hatai, Ann. Zool. 

 Jap. ii. p. 65. 



Perichceta sieboldi, Rosa, Ann. k.-k. Hofm. Wien, vi. p. 401. 



Perichata communissima, Goto & Hatai, Ann. Zool. Jap. iii. p. 23. 



Amyntas sieboldi, Michaelsen, Jahrb. Hamb. wiss. Anst. xvi. p. 9. 



145-270 mm., 91-145 segments. Setae 80 on viii. No papillae. 

 Septum ix./x. present. Caeca 6-7 arising in same segment one 

 above the other. Spermiducal gland in xvi.-xviii., with straight or 

 curved short duct. Sperrnathecae (? usually in vii.-ix.) with long 

 coiled diverticulum. 



Hab. Japan. 



Some confusion has arisen concerning this species owing to the 

 fact that the examples studied by Goto & Hatai showed the 



