378 OLIGOCHAETA 



(16) Megascolex macquariensis (FLETCHER). 

 Perichaeta macquariensis, FLETCHER, ibid. (2), vol. iv, 1889, p. 1000. 



Definition. Length, 1 80 mm. ; breadth, 7 mm. ; number of segments, 200. Clitellum, 

 XIV XVII. Setae, 18 or 16 to 44, larger anteriorly. Genital papillae on XV1I-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. Dubbo, N. S. Wales, from banks of Macquaiie. 



(17) Megascolex newcombei (BEDDARD). 

 Perichaeta newcombei, BEDDARD, P. R. 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, X; 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. Spermatheeae in VIII, IX with a single 

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



(18) Megascolex goonmurk (SPENCEB). 

 Perichaeta goonmurk, SPENCER, P. R. Soc. Viet., 1892, p. 21. 



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

 8 on I, 10 on II, 12 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. 

 Spermatheeae 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, XIH-XVII. Setae, 

 20-24. Genital papillae, XVI/XVH. Calciferous glands in X-XII; intestine begins 

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

 Fern-tree Gully, Victoria. 



