SCIENTIFIC SOCIETIES. 1138 
which undoubtedly would es ye considerably the labours of future 
enquirers. 
The meeting adjourned to February 21st. 
_ ZoorioeicaL Society oF Lonpon. 
February 5, 1889.—Dr. St. Georce Mivart, F.R.S., Vice-President, 
in the chair. 
The Secretary read a report on the additions that had been made to the 
Society's Menagerie during the month of January, 1889. 
Mr. Sclater exhibited a living specimen of the Thick-billed Lark, Rham- 
phocoris clotbeyi, lately received by the Society from Southern Algeria, and 
ealled attention to its structural peculiarities. 
Mr. G. A. Boulenger read a paper on the species of Batrachians of the 
genus Rhacophorus, hitherto confounded under the name of R. maculatus, 
and pointed out their distinctions. 
Mr. Sclater pointed out the characters of some new species of birds of 
the family Dendrocolaptide, which were proposed to be called Upucerthia 
bridgest, Phacellodomus rufipennis, Thripophaga fusciceps, Philidor cervicalis, 
and Picolaptes parvirostris. 
A communication was read from the Rev. O. P. Cambridge on some new 
species and a new genus of Araneidea. Two of these species (Pachylomenus 
natalensis and Steyodyphus gregarius) were based on specimens living in the 
Insect House in the Society’s Gardens. 
_ A communication was read from Prof. F. Jeffrey Bell, containing 
descriptions of new or rare Holothurians of the genera Plexaura and 
Plexaurella. 
Dr. Giinther exhibited and made remarks on some fishes which had 
_ been dredged up by Mr. John Murray off the west coast of Scotland, and 
Were not previously known to occur in British waters, viz. Cottus lilljeborgit 
(Collett), Triglops murrayi, sp. n., Gadus esmarckii (Nills.), Onus reinhardti 
(Collett), Fierasper acus (Briinn.), Scopelus scoticus, sp. n., Stomias ferox 
(Reinhardt). 
Dr. Giinther also exhibited and described a specimen of Lichia vadigo 
(Risso), a species of which only a few specimens were previously known 
from the Mediterranean and Madeira: this specimen was obtained by 
Capt. MacDonald on Sept. 17th, 1888, off Waternish Point, Isle of Skye. 
He also exhibited a hybrid between the Roach (Leuciscus rutilus) and the 
Bleak (Alburnus alburnus), sent to him by Lord Lilford from the river Nen, 
Northamptonshire. 
Mr. Beddard read a paper descriptive of the coloured epidermic cells of 
Aolosoma tenebrarum. 
Mr. Boulenger exhibited and made remarks on a series of living 
ZOOLOGIST.—MARCH, 1889. K 
