CHINESE EARTHWORMS GATES 



497 



Remarks. — P. tuberculata is distinguished from sexthecal Chinese 

 species of Pheretima with spermathecal pores on 5/&-7/8 by the 

 compound, glove-shaped, intestinal caeca. 



Chen (1936, p. 303) gives a figure of an intestinal caecum that 

 appears to be only the dorsalmost secondary caecum. 



PHERETIMA VULGARIS Chen 



1930. Pheretima vulgaris Chen, Sci. Rep. Nat. Ceiitr. Uuiv. Nanking, ser. B, 



vol. 1, p. 12 (part) (type locality: ?; types: ?; excluding forms with 

 male pores in parietal invaginations). 

 J931. Pheretima kiangensis Michaelsen, Zool. Jahrb. (Abt. Syst.), vol. Gl, p. 

 558 (part) (excluding quadritliecal forms with superficial spermathecal 

 pores; Soochow). 



1931. Pheretima (Ph.) kiangensis Michaelsen, Peking Nat. Hist. Bull., vol. 5, 



pt. 3, pp. 3, 21 (part) (excluding quadrithecal forms with superficial 



spermathecal pores). 

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



vol. 9, p. 249 (part) (excluding synonymy and distribution of forms 



with male pores in parietal invaginations). 

 1933. Pheretima vulgaris Fang, Sinensia, vol. 3, no. 7, p. 179 (part) (specimens 



from Ichang). 

 1935. Pheretima vulgaris Gates, Smithsonian Misc. Coll., vol. 93, no. 3, p. 19. 



Material examined. — From the Hamburg Museum: 6 clitellate 

 specimens from a tube labeled '•''Pheretima pingi Steph. Soochow 

 Biol, station leg."; 1 aclitellate specimen labeled ^''Pheretima {Ph.) 

 kiangensis Mich. {=Ph. kiangsuensis Chen). China. Soochow Biol, 

 station, Soochow." 



External characteristics. — ^Length, to 220 mm. Diameter, to 8 mm. 



The setae begin on ii, on which segment there is a complete circle. 

 The setae are small, closely and regularly spaced. The setal num- 

 bers are as follows : 



i Aclitellate specimen. 



2 Abnormal specimen. 



The first dorsal pore is on 12/13, but on two specimens there is a 

 nonfunctional porelike marking on 11/12. 



The clitellum is annular, extending from 13/14 to 16/17; inter- 

 segmental furrows lacking; functional dorsal pores present on one 

 specimen, nonfunctional rudiments of dorsal pores visible on an- 



