430 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 85 



PHERETIMA DIFFRINGENS (Baird) 



1869. Megascolex diffringens Baikd, Proc. Zool. Soc. Loudon, 1869, p. 40 (type 



locality: Plas Machynlleth, North Wales; types in the British Muesum). 

 1912. Phcretima dwcrgcns var. yunnanensis Stephenson, Rec. Indian Mus., 



vol. 7, p. 274 (type locality: Tengyueh, Yunnan; type in the Indian 



Museum). 

 1931. Pherctima (Ph.) divergens Miohaklsen, Lingnan Sci. Journ., vol. 8, p. 158 



(part) (excluding Japanese distribution) ; Peking Nat. Hist. Bull., vol. 5. 



pt. 3, p. 2 (part) (excluding Japanese distribution). 



1931. Pherethna (Ph.) heterochncta Chen, Contr. Biol. Lab. Sci. Soc. China, 



zool. ser., vol. 7, p. 123 (Szechwan). 



1932. Pheretima divergens Gates, Lingnan Sci. Journ., vol. 11, p. 511. 



1933. Pheretima heterochaeta Chen, Contr. Biol. Lab. Sci. Soc. China, zool. 



ser., vol. 9, p. 234 (Kiangsu, Chekiang, Kiangsi, Anhvi^ei). 

 1935. Pheretima heterochaeta Chen, Bull. Fan Inst. Biol. Peiping, vol. 6, p. 34 



(Hongkong) ; Contr. Biol. Lab. Sci. Soc. China, zool. ser., vol. 11, p. 121 



(Fukien). 

 1935. Pheretima iniraMlis Gates, Smithsonian Misc. Coll., vol. 93, no. 3, p. 12. 



1935. Pheretima diffringens Gates, Lingnan Sci. Journ., vol. 14. p. 452. 



1936. Pheretima heterochaeta Chen, Contr. Biol. Lab. Sci. Soc. China, zool. ser., 



vol. 11, p. 270 (Szechwan). 



Material examined. — From the Indian Museum: 2 fragments la- 

 beled '"''Pheretima divergens variety yunnanensis Steph. Tengyueh, 

 Yunnan. J. Coggin Brown." From the British Museum: 1 speci- 

 men from a tube labeled '■''Pheretima harhadensis 1904.10.5.1219.1228. 

 Hongkong, coll. Beddard" and 1 specimen from a tube labeled 

 ''''Pheretima morrisi 1904.10.5.453. Hongkong, coll. Beddard." From 

 the U. S. Kational Museum : 1 specimen from a tube labeled '■''Phere- 

 tima corrugata Chen (paratypes), Kia-Ting, Szechuan. Y. Chen." 

 From Dr. Graham: 1 clitellate specimen labeled "Mar Hai-Tang, 

 6.000-8,000 feet, April 14, 1928"; 2 clitellate specimens labeled 

 "Near Mupin, 3,000-4,000 feet, July 8, 1929"; 1 clitellate specimen 

 labeled "Near Yachow, 1,400-1,800 feet, July 3-5, 1930"; 2 clitel- 

 late specimens labeled "Mupin, 3,500-5,000 feet, July 1, 1929"; 1 

 clitellate specimen labeled "Kangshien, 1,300-2,000 feet, October 

 28-29, 1928"; 2 clitellate specimens labeled "Between Kiating and 

 Yachau, July 8-11, 1928"; 1 clitellate specimen labeled "Suifu, 1,400 

 feet, April 18, 1925"; 1 clitellate specimen labeled "South of Suifu, 

 1,100-1,400 feet. May 14, 1924"; 1 clitellate specimen labeled "Be- 

 tween Gin Keo Ho and Dawei, 1,300-5,000 feet, August 1-2"; 1 

 clitellate specimen labeled "Tatsienlu, 12,000 feet, July 7-9, 1923"; 

 1 clitellate specimen labeled "Tatsienlu, August 2-4, 1923." 



In the Szechwan specimens prostatic ducts are present, but pros- 

 tates are entirely lacking (8 specimens), only one prostatic duct 

 present and no prostates (1 specimen), characteristic ducts and 

 rudimentary prostates present (1 specimen), a medium-sized pros- 

 tate and a normal duct on one side, a prostatic duct only on the 



