1875.] THE SECRETARY ON ADDITIONS TO THE MENAGERIE. 565 
EXPLANATION OF THE PLATES. 
Prats LXI. 
Fig. 1 represents a view of a portion of the external surface of the late Mr. 
Henry Deane’s specimen of Farrea spinifera, X 61 linear. 
Fig. 2 represents a portion of the dermal surface of Marrea spinulenta, with its 
numerous quadrifurcate spinulo-sexradiate stellate retentive spicula, 
x 80 linear. 
Fig. 3. One of the quadrifurcate spinulo-sexradiate stellate spicula, x 666 
linear. 
Fig. 4. A sexradiate stellate spiculum with attenuated radii, from Aleyoncellum 
speciosum, to compare with those of Farrea spinulenta, x 666 linear. 
Puate LXTI. 
Fig. 1. A portion of the skeleton-rete of Farrea aculeata, exhibiting the general 
structure of the sponge and the characteristic mode of disposition of 
the aculei, x 61 linear. 
Fig. 2 represents a portion of the outer or inhalant surface of Farrea robusta, 
with the dermal membrane in a fine state of preservation, with its 
numerous retentive and defensive spicula 77 siz, X 80 linear. 
Fig. 3. One of the contort bihamate retentive spicula, x 666 linear. 
Fig. 4. One of the minute bidentate equianchorate retentive spicula, x 666 
linear. 
Fig. 5. A fully developed subspinulate attenuato-acuate internal defensive spi- 
culum, entirely but incipiently spinous, x 666 linear. 
Fig. 6. One of the rectangulate sexradiate internal defensive organs, entirely 
but incipiently spinous, based on a portion of the skeleton-fibre, and 
projected into one of the areas of the skeleton-rete, x 666. 
November 16, 1875. 
Dr. Giinther, F.R.S., V.P., in the Chair. 
The Secretary read the following report on the additions to the 
Society’s Menagerie during the month of October 1875. 
The total number of registered additions to the Society’s Mena- 
gerie during the month of October was 73, of which 39 were by 
presentation, 16 by purchase, 2 by exchange, 5 by birth, and 11 
were received on deposit. The total number of departures during 
the same period, by death and removals, was 130. 
The most noticeable additions during the month of October were 
as follows :— 
1. A Scolopaceous Courlan (Aramus scolopaceus) from South 
America, purchased 6th October, 1875. This bird was in a very 
weak condition when received, and did not live long, but is of inter- 
est as being the first example of this aberrant form yet received 
alive. 
2. A Binturong, from Malacca, presented by Capt. A. R. Ord, 
October 19th. We have likewise now in the Gardens a Grey Bin- 
turong (Arctictis albifrons, F. Cuv.) from Borneo, presented by Sir 
Harry Ord in 1873; so that we may hope eventually to solve the 
question whether this and the Black Binturong (4. dinturong) are 
really different species, as considered by F. Cuvier, or mere varieties. 
