207 
CUMBERLAND ANNELIDS. 
Rev. HILDERIC FRIEND, 
Ocker Hill, ae Staffordshire. 
In January last I visited Carlisle, and during a walk by the 
Eden collected a pearaats of altri which I have as yet only 
1S YT, 
report several species of annelids OF the athe kinds which 
are new to Britain. I confine my report to-day to the minute 
white worms of the genus Fridericia, which were at the time of 
my visit very abundant and active. The season was mild, and 
the worms were working at the surface of the ground, at the 
roots of grasses, under decaying leavés and refuse, or in similar 
Situations. The species which I am about to report have only 
been discovered within the last year or two for the most part, and 
are therefore not described in Beddard’s splendid ‘Monograph of 
the Oligochzta.’ As no account of them appears in any English 
journal or other scientific publication my notes will be sufficiently 
full to allow of their being identified by future collectors. 
The genus Fridericia consists of a number of worms, now 
amounting to about twenty well-defined species, the chief and 
most striking peculiarity of which lies in the arrangement 
and shape of the sete. In the hinder portion of the body they 
are quite frequently paired, but in the anterior region they are 
with one exception almost always arranged in bundles of four, 
six, eight, or ten, the inner pairs of which are noticably smaller 
than the outer. When the older seta are falling away an od 
number will often be found in a bundle, as three, five, seven, or 
nine ; but the rule is for the bundles to consist of one to five 
Pairs, They are usually straight, or with a slight bend at the 
inner extremity, which gives them the appearance of a fairy 
Fr. Fri 
Naturalist,’) the bend is practically right-angled. There is 
a pore Betweut the head and first segment, known as the head- 
Pore, and dorsal-pores are present in most of the species, if not 
Enchytreids. Salivary glands or the so-called pepto-nephridia 
Sccur, and afford a good clue to character, as do also the well- 
marked spermathecz which lie in segment five, and open into 
the epidermis between segments four and five by means of 
a duct of varying length. Thus, ‘with the sete in pairs 
: aol as 
