378 OLIGOCHAETA 



(i6) Megascolex macquariensis (Fletohee). 



Perichaeta macquariensis, Fletcher, ibid. (3), vol. iv, 1889, p. 1000. 



Definition. Length, 1 80 mm. ; hreaith, 7 mm. ; number of segments, aoo. Clitellum, 

 XIF-XVII. Setae, t8 or 16 to 44, larger anteriorly. Genital papillae on XVII-XIX, 

 paired, on X, XI {XII) also. First dorsal pore, III/IV. Calciferous pouches in X-XIII. 

 Last hearts in XIII. Penial setae present. Other characters as in M. austrinus. 

 Hob. — Buhho, N. S. Wales, from banks of Macquarie. 



(17) Megascolex newcombei (Beddard). 



Perichaeta newcombei, Beddard, P. E. Soc. Edin. vol. xiv, 1887, p. 170. 



Definition. Length, about 3 in. Setae with only the faintest trace of a gap dorsally. 

 Clitellum, XIV-XVI, with setae. Oviducal pore single. Genital papillae very numerous ; 

 a single papilla upon segments VII, VIII, XIII ; four papillae upon IX, Xj three upon 

 XI, XII, XVII, XX, XXI ; on XVIII one in front of and one behind the male pore on each 

 side, and on XIX the same number with an identical arrangement. Gizzard in VI ; 

 dilatations of the oesophagus in X—XII. Spermathecae in VIII, IX with a single 

 diverticulum. Sperm-sacs in IX— XII. Hab. — Queensland. 



(18) Megascolex goonmurk (Spencer). 



Perichaeta goonmurk, Spencer, P. E,. Soc. Vict., 1892, p. 3i. 



Definition. Length, no mm.; number of segments, 150. Clitellum, XIII-XIX. Setae, 

 8 on I, 10 on 11,1% up to clitellum, 16 after clitellum. Median papillae on XVII/XVIII, 

 XVIII/XIX. No calciferous glands, but swellings in VIII-XIV. Intestine begins in XVI, 

 Dorsal vessel double; supra-intestinal double. Last heart in XL Sperm-sacs in XII. 

 Spermathecae in V-IX. Hab. — Mt. Goonmurk, Victoria. 



(19) Megascolex sylvaticus (Spencer). 

 Perichaeta sylvatica, Spencer, ibid., p. 5. 



Definition. Length, 75 mm.; number of segments, 100. Clitellum, XIII- XVII . Setae, 

 30-24. Genital papillae, XVI/XVII. Calciferous glands in X-XII; intestine begins 

 in XV. Last heart in XII. Sperm-sacs in IX, XII. Spermathecae in V-IX. Hab. — 

 Fern-tree Gully, Victoria. 



