204 MR. F, E, BEDDARD ON EARTHWORMS [Jan. 14, 
“ prostate” glands, although trilobed, are limited to the xviiith 
segment. 
The shape of this gland is frequently used as a specific character 
in Pericheta, and as a rule apparently with some reason. The 
present species, however, shows that it is necessary to be discreet 
in the use of the character. In nearly all the examples which I 
dissected, the gland in question occupies three or four segments 
and has an ear-like shape, the lower margin curving forwards and 
upwards like the lobe of the ear. In one specimen, which I do 
not feel able to distinguish specifically, the gland has a quad- 
rangular form, occupies four segments, and is deeply incised in 
correspondence therewith. ; 
From Hong Kong I have received specimens of a Pericheta 
which I do not like to separate specifically from the above, 
although they show certain differences from it amongst themselves. 
In one specimen, a long and slender worm, the spermathecs have 
a long duct, and the spermiducal glands have the ear-lhke shape 
characteristic of the species. The male apertures are prominent. 
Other specimens, though smaller, are rather stouter worms than 
the one just referred to; the duct of the spermatheca is not very 
long, and the spermiducal glands are much lobulated and not ear- 
shaped. Nor is there here a marked difference between the 
septum immediately preceding the gizzard and those just in front 
of it: there is this difference in the first mentioned specimen 
from Hong Kong. In both the ceca are long and slender, occu- 
pying two full segments. 
APPENDIX. 
I take the present opportunity of describing three new species 
of Pericheta, and two new Acanthodrilids, which I have recently 
received. 
PERICHETA INSULA, N. sp. 
Of this new species I have a single example—a slender worm 
measuring 103 mm. 
It consists of 95 segments. 
The clitellum occupies the three usual segments, but is deficient 
at both ends. The last segment of the clitellum has sete. 
The male pores are separated by a moderate distance. 
Genitol papille are present in two regions of the body. On 
the xvilith segment are 8 largish papille, each surrounded by a 
series of circular ridges upon the skin. ‘Two of these papillee form 
on each side with the male pore of their side a triangle; the 
remaining four form a line across the segment above the line of 
the set. On segment xix., on the left side of the body, is a single 
similar papilla. In addition to these papille developed in the 
neighbourhood of the male pores, there are a pair near the anterior 
margin of the viith segment like those of Pertchata indica, 
The first septum separates segments iv./v. This and the three 
following are not very much thickened, but they are tied to each 
