700 OLIGOCHAETA 



L. communis, HoFFMElSTEK, Arch. f. Nat., 1843, p. 188 (in part.). 



A. turgida, EiSEN, Ofv. Svensk. Akad., 1874, No. 2, p. 43. 



A. trapezoides, RosA, Att. R., 1st. Venet., 1886, p. 677. 



L. novae-hoUandiae, Fletchek, P. Linn. Soc, N. S. W., t886, p. 539. 



L. (Allolobopliora) caliginosus, Vaillant, Annel^s, p. 138. 



L. (AUolobophora) trapezoideus, Vaillant, Anneles, p. 139. 



L. (Allolobophora) turgidus, Vaillant, Annelds, p. 150. 



A. caliginosa, RosA, Boll. Mus. Zool. Torino, 1893, No. 160, p. 7. 



P = Ii. purus, Ducjis, Ann. Sci. Nat. (a), viii, 1837, p. aa. 



Definition. Length, i']6 mm. ; breadth, :^ mm. ; number of segments, 248. Olitellum, XXVIl, 

 XXriII-XXXir, XXXr. First dorsal pore IX/X, rarely FIII/IX. Setae strictly 

 paired. Tubercula puhertatis on XXXI and XXXIII. Spermathecae in X, XI, opening 

 anteriorly on line with lateral setae. Hab. — Etirope ; America; Australia; Palestine; 

 New Zealand. 

 The synonymy of this species is complex ; on the theory that A. trapezoides of 

 Dueiis and A. turgida of Eisbn are distinct species, the latter may be with con- 

 siderable reason placed with L. caliginosus; in both the tubercula are on xxx and 

 xxxii, the intermediate segment being left out. It was this, indeed, which led Rosa 

 (15, p- 5) to distinguish A. turgida from A. trapezoides. Michaelsen, however (8, p. 12), 

 found an intermediate form which showed on one side of the body the character of 

 one species, and on the other, the character of the other species. The position of 

 the tubercula, characteristic of the present species, are also characteristic of A. georgii 

 (see p. 716), A. boecJcii (see p. 705), and ' Lumbricus purus' of Duaiis, in which 

 there are two pairs of the tubercula as occasiolially in the present species ; these are 

 said by Vaillant (6, p. ia6) to be on segments xxx and xxxii, which, interpreted 

 for the enumeration used here, mean xxxi, xxxiii ; the clitellum is nearly co-extensive 

 with that of the present species, occupying segments xxviii-xxxiv. The identity of 

 Fletchee's ' Lumbricus novae-hollandiae ' with the present has been pointed out 

 by Rosa. 



In the definition of the species I have followed Rosa (15). 



I have received this species from New Zealand; the examples belonged to the 

 subspecies turgida in that the tubercula pubertatis were upon xxxi and xxxiii. 



(2) AUolobophora pygmaea, Sayigny. 



Enterion pygmaeum, Savigny, Mem. Ac. Roy. Inst. Fr. (Analyse), v, i8a6, p. 183. 

 liumbricus pygmaeus, DuGES, Ann. Sci. Nat., (2) viii, 1837, p. 22. 



