THE OLIGOCfl^TA OF NATAL AND ZULULAND. 417 



Sub-faui. Megascolecin.*]. 



Pontodriliis bermudensis Bedd. i. typicna. 

 Pontodriliis bermudensis -BecZrL f. typiciis; Miolmelsen. " Oligo- 

 chajteii von v^ersehiedenen Grebieten," Mt. Mus. Hamburg, xxvii, 

 p. 85. 1910. 

 Hab. — Kosi Bay, Zululand ; collected December, 1905. 

 Distributed along tlie coasts of the Pacific, Indian, and 

 Atlantic Oceans in the warmer zones. 



The specimens were badly preserved. When copulatory 

 papillas were visible, a single median ventral papilla could be 

 seen at the furrow between the nineteenth and twentieth 

 segments. 



Pheretima heterochasta {Mich.). 



Amyntas heterochsetus (Mich.); Beddard, "A Revision of the 

 Earthworms of the geniis Amyntas. "" Proc. Zool. Soe. Lond., 

 1900, p. 615. Contains synonymy and bibliography. 



Hab. — Howick, Natal ; in detritus near the foot of the 

 Umgeni Falls, and in rather dry earth beneath stones on veld, 

 W. Michaelsen, August 30th, 1911. 



Hilton Road, Natal ; Dr. M. A—, July 28th, 1905. 



Dorp Spruit, Pietermaritzburg, Natal; October 30th, 1904. 



Zwaartkop Valley, near Pietermaritzburg, Natal. 



Scottsville, Pietermaritzburg, Natal; W. G. Rump, De- 

 cember, 1911. 



Durban, Natal; J. Clark, 1911. 



This is a peregrine species distributed far over the warmer 

 zones, and doubtless inti'oduced by man into Natal. 



Sub-fam. Trigastrin.i^:. 



Dichogaster bolaui {Mich.). 

 Dichogaster bolaui (Mich.); Michaelsen, " Oligochaeta," Tierreich, 

 X, p. 340. 1900. Contains synonymy and bibliography. 

 Hab.— Scottsville, Pietermaritzburg, Natal; W. G. Rump, 

 1912. 



This is a peregrine species of the warmer zones, imported by 

 man into Natal. 



