642 MR. P. E. BEPDABD ON THE [May 22, 



Perichceta posihuma, Horst, Notes Leyd. Mus. v. p. 106 ; xv. 

 p. 318. 



Megascolex affinis, Beddard, Ann. Nat. Hist. (5) xii. p. 214. 



Perichceta posihuma, Beddard, ibid. (5) xvii. p. 93. 



Perichceta affinis, Beddard, P. Z. S. 1887, p. 389. 



Perichceta posihuma, Horst, Zool. Ergebn. Max Weber, ii. p. 61. 



Amyntas posthumus, Michaelsen, Jahrb. Hamb. wiss. Anst. xvi. 

 p. 74. 



Perichceta posihuma, Michaelsen, Abh. Senck. nat. Ges. xxiii. 

 p. 201. 



Perichceta posihuma, Rosa, Ann. Nat. Hist. (7) ii. p. 289. 



Megascolex posthumus, Vaillant, Annele's, 1889, p. 72. 



95 mm., 70 segments ; stoutish worm. Setae 140 on viii., 90 on 

 xvii. Setae on all segments of clitellum. Papillae on xvii., xix. 

 corresponding in position with male pores. Septum viii./ix. present. 

 Sperinidueal gland in three segments, with curved duct. Sper- 

 mathecae with diverticulum less than pouch. 



Hah. Java, Celebes, Christmas Is., Philippines, Cochin China, 

 Bahamas, Europe. 



The caeca appear to be sometimes absent. 



82. Amyntas neoguinensis Mich. 



Perichceta neoguinensis, Michae lsen, Arch, f . Naturg. 1892, p. 229. 



Perichoeta neoguinensis, Rosa, Ann. Mus. Civ. Genova, (2) xix. 

 p. 60. 



140-220 mm., 94-130 segments. Setae 85 on v., 100 on xxv. 

 Setae on all clitellar segments, 14, 16, 20 in number. 20 setae 

 between male pores. Papillae paired on xix.-xxv., or xxvi., corres- 

 ponding in position to male pores. Septum viii./ix. rudimentary. 

 Sperm-sacs in xii. only, with dorsal narrow constricted sac. Sper- 

 inidueal glands confined to segment xviii., with short straight 

 duct. Spermathecal pores approximated, with very short sessile 

 diverticulum. 



Hah. New Guinea. 



To a slight variation Rosa gives the name of var. sjjectabilis. 



83. Amyntas pacificus Beddard. 



Perichceta jjacifica, Beddard, Willey's Zool. Results, pt. ii. p. 190. 



38-56 mm., 90 segments. Setae 37 on viii., 46 on xvii. 10 

 setae between male pores. Papillae large and median, upon xvii.- 

 xxii., and xii., xiii. Setae upon xvi. and often other clitellar 

 segments. Both septa. Last hearts in xii. Sperm-sacs in xii. ; 

 testes &c, only one pair. Sperinidueal gland xvii.-xix., with 

 short straight duct. 



Hub. New Britain. 



84. Amyntas celebensis Mich. 



A. celebensis, Michaelsen, Jahrb. Hamb. wiss. Anst. xvi. p. 32. 

 60 mm., 90 segments. Setae 49 on vi., 44 on xxvi., with slight 



