650 MB. F. E. BEDDARD ON THE [May 22, 



pair in viii., with very long diverticulum which is much folded. 

 Intestinal caeca ? Spermiducal gland much lobed. Terminal sacs ? 

 Although Perrier's definition is not adequate so far as our 

 present knowledge is concerned, this species does not seem to be 

 identical with any subsequently described form with one pair of 

 spermathecae in segment viii. or vii., or ix. 



Amyntas elongatus, Perrier ; Perichceta elongata, Perrier, ibid, 

 p. 124. 



Length ? (stated to be 355 mm. ; but this length is too great for 

 the diameter of 4 mm.). Sperm-sacs in xi., xii. Spermiducal 

 gland loosely lobate, with bent duct and no terminal sac. Sperma- 

 thecae in vi. without (?) diverticula. — Peru. 



Here again it is impossible to state with even probability that the 

 present species is identical with any subsequently described species. 



Amyntas taitensis, Grube (in part) in ' Eeise der Novara,' 

 Anneliden, 1868, p. 36. 



This species, from which one individual of the two described by 

 Grube must be removed and placed in a second species already 

 treated of as Amyntas novarce, has been termed " Perichceta grubei" 

 by Eosa (Ann. k.-k. Hofm. Wien, vi. p. 395). It is 90 mm. long and 

 has 120 segments. Pour papilla? between male pores. Seta? 60 on 

 viii. Spermathec83 open on intersegmental furrows vii./viii., viii./ix. 



Amyntas partus (Ude, Zeitschr. wiss. Zool. lvii. p. 64) is a 

 small worm 25 mm. long, with 85 segments. Setae 40-44, 12 

 between male pores. Spermatheca? in viii., ix. with very long and 

 coiled diverticulum. Duct of spermiducal gland broad and short. 



I place this species in this place because the author of it says 

 nothing about setae upon the clitellum and papillae. As he 

 examined three specimens, it is possible that they were absent. 

 In this case the species seems to be at least very near to 

 A. ceruginosus or A. hesperidum. But I have not been able to 

 make up my mind to include a pygmy like the present form with 

 the giant " Perichceta musica," and the spermathecal diverticulum 

 seems to be too long for A. hesperidum. 



Amyntas acinctus Goto & Hatai (Annot. Zool. Jap. iii. p. 16), 

 is a doubtful species so named — and not aptly — because of the 

 undeveloped clitellum. Its characters are: — 



130 mm., 113 segments. Setae 50 to 60, 7 between male pores. 

 Spermiducal glands xvii.-xix. Spermathecae in vi.— viii., with 

 diverticulum twice the length of pouch. 



Species which belong to the genus Amyntas, but which 

 cannot be defined. 



I shall content myself with giving a bare list of these species, 

 as our information concerning them is entirely limited to a few 

 external characters which are not sufficient to place them with 



