1865.] DR. J. MURIE ON TROCHETA SUBVIRIDIS. 659 
profundam impressam convexis divaricatis, deinde plane decli- 
vibus, ultimo medio subimpresso sicuti in V. sadleri, infra sub- 
angulato; apertura ovali, cerulescente, margine acuto: oper- 
culo concavo, castaneo. 
Obs. Through Dr. Kirk, from Lake Nyassa. Ihave named it asa 
mark of respect to the author of the newest publication concerning 
British conchology. I do not know any recent species of Paludina 
with which it could be parallelized. 
6. VivIPARA CAPILLATA. Testa conica, tenui, ampliter umbili- 
cata, olivacea, parum nitente; anfractibus quinque et dimidio, 
supra obliquis, angulariter subplane declivibus, sutura parum 
impressa, anfractu ultimo infra geniculato, costis seriebus 
tribus intermediis paribus intervallis distantibus pilis brevis- 
simis ornatis; apertura mediocri, orbiculari, intus albescente, 
margine acuto, nigro. 
Obs. Through Dr. Kirk, from Lake Nyassa. 
7. VIvIPARA ROBERTSONI. Testa acuta, conica, solidiuscula, 
umbilico amplo, callo circumducto, olivacea vel eburnea; an- 
Sractibus sex, supra modice convexis, obliquis, sutura haud im- 
pressa, anfractu ultimo infra geniculato; apertura magna, 
rotundo-ovali, intus albescente, plerumque maculis dilutis fuscis 
picta, margine acuto, precipue ad labium internum nigro. 
Obs. Through Dr. Kirk, from Lake Nyassa. I have given to this 
species the name of Mr. David Robertson of Glasgow, in acknow- 
ledgment of the very effectual assistance which he was pleased to 
lend me in my deep-sea dredging-operations at Great Cumbray. 
6. On a Lercu (Trocuera susviripis, Durrocu.) FOUND IN 
THE VisceRA OF A Monuccan DEER (CERVUS MOLUCCEN- 
sts, Mtxuer). By James Murisz, M.D., Prosectror to 
THE ZOOLOGICAL SOCIETY. 
In the month of July of this year, while a post mortem examina- 
tion was being made of a Moluccan Deer at the Society’s Gardens, 
there was found among the viscera a Leech of such dimensions as to 
excite the astonishment of the various parties present at the opera- 
tion. Unfortunately the viscera were somewhat disturbed and con- 
fused when the Leech was first observed, so that it might be rash to 
say whether it was attached to the stomach, the intestines, or to the 
organs of the chest. 
At the time this specimen of Leech was obtained I myself was out 
of town; but as to the credibility of those present I need only men- 
tion Mr. A. D. Bartlett’s name as an authoritative witness, to allay 
suspicion of error or deception. 
When first shown me I was surprised at its large dimensions, but 
for the moment was inclined to believe it an unusually large specimen 
of the Horse-leech (Hemopis sanguisuga, Sav.), which might have 
