212 MR. F. E. BEDDARD ON [ Mar. 3, 
view of the viscera seen on cutting open the body-wall in the 
dorsal median line. No such figure of the anatomy of this genus 
has been published up to the present; and it is convenient to 
show the relations of the different organs and their comparative 
sizes. 
There are points in the anatomy of the genus Stuhlmannia 
which are illustrated by that drawing, and to which attention does 
not appear to have been called. The last pair of hearts lies in the 
eleventh segment, as in so many other Eudrilids, for instance in 
the genus Polytoreutus ; and the septum which should separate 
segments xiii, and xiv. is nearly missing. I am disposed to 
associate this latter fact with the presence of the ccelomic sacs 
surrounding the gut, which may have been developed at the 
expense of the septum, as in Hudrilus', in which genus the 
corresponding septum is also much reduced. Another matter to 
which I would wish to direct attention, is the existence of intestino- 
tegumentary trunks, which have not yet been recorded in this 
genus. They are, of course, of wide occurrence among earth- 
worms. 
A further point of some little interest is visible in the sketch 
exhibited herewith. In my ‘Monograph of the Oligocheeta,’ * I 
pointed out the existence of at least occasional asymmetry of the 
female reproductive organs shown in the presence of only a single 
receptaculum ovorum, that of the opposite side of the body being 
absent. In other specimens*® I found precisely the same state of 
affairs. The species that I examined was, I believe, Stuhlmanmea 
variabilis. 
In the present species of Stwhlmannia there is exactly the same 
asymmetry, the receptaculum being only present upon one side, 
and that the right. Or, to be more accurate, the receptaculum 1s 
possibly present also on the left side, but is quite rudimentary, 
and, I imagine, functionless. The “ Hitrichterblase,” as Michaelsen 
has termed it, is present on the left side, and is simply a loop of the 
oviduct, the two sections of the tube running in close contact side 
by side; just opposite to it is a small spherical projection. A 
lumen is present in this, which is the rudimentary funnel, but 
the lumen is no wider than that of the oviduct elsewhere, and 
there is no question of any free communication with the body- 
cavity outside; there was no break to be detected in the muscular 
wall of this projection, which perhaps should be regarded as funnel 
+ receptaculum. 
A series of sections through the rudimentary funnel and the 
adjoining parts of the oviduct confirms the appearances displayed 
in a preparation mounted in glycerine. The rudimentary funnel 
(or funnel + receptaculum) is but a slight protuberance, which is 
traversed up to its very end by a blindly ending branch of the 
1 Beddard, “On the Gonad Ducts and Nephridia of Hudrilus,’ P. Z.S. 1902, 
vol. 11. p. 89. 
2 Oxford, 1895, p. 602. 
3 “On some Harthworms from British East Africa, &c.,” P. Z.S. 1901, vol. 1. 
p- 355. 
