DESCRIPTIONS OF GENERA AND SPECIES 705 



This is another uncertain species, coming so near to A. nordensJcioldii that, if 

 they had not been both described by the same writer, I should have been disposed 

 to put them down as identical. 



(ii) AUolobophora tumida, EisEN. 



A. tumida, Eisen, Ofv. Svensk. Akad , 1874, No. 3, p. 45. 



Definition. Length, about 30 mm. ; number of segments, 50. Colour reddish brov}n. Setae 

 paired at four angles of quadrangular body. Clitellum, XXII— XXIX. Tudercula 

 puhertatis, XXFII, XXFIIL Hab.—New England; Benmark {V)'^ . 



There is no doubt that Rosa's suggestion as to the possibility of this worm being 

 an Allurus is reasonable. 



(la) AUolobophora parva, Eisen. 



A. parva, Eisen, Ofv. Svensk. Akad., 1874, No. 2, p. 46. 

 Lumbricus parvus, Taubeb, Ann. Dan., 1879, p. 68. 



Definition. Length, about 100 mm.; number of segments, about 100. Setae paired closely, 

 but dorsal more so than ventral. Clitellum, XXIV-XXX. Tubercula puhertatis, 

 XXF-XXX. Hab.—New England, Denmark^. 



(13) AUolobophora eiseni (Levinsen). 



Lumbricus Eiseni, Levinsen, Vid. Med., 1883, p. 241. 



A. (Dendrobaena) Eiseni, Friend, J. Linn. Soc, 1892, p.302. 



A. Eiseni, RoSA, Mem. R. Ace. Torino, 1893, p. 66. 

 Definition. Length, zip mm. ; diameter, ^ mm. ; number of segments, 110. Colour iridescent 

 violet above, red-brown on clitellum. Setae strictly paired. Clitellum, XXIF, XXF-XXXII. 

 Tubercula puhertatis, none. First dorsal pore, F/FI. Spermathecae absent. Sperm-sacs 

 in XI, XII. Hab. — Europe generally. 



(14) AUolobophora boeckii (Eisen). 



Lumbricus puter, Eisen, Ofv. Svensk. Akad., 1870, No. 10, p. 959. 

 Dendrobaena Boeckii, Eisen, ibid., 1873, No. 8, p. 53. 

 D. puter, Oeelet, MT. Akad. Math., xvi, 1880, p. 586. 



1 Fide Taubek ; but Levinsen distrusts the latter's identification. 

 '' Levinsen doubts Taubeb's identification. 



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