9 
Bext, F. Jerveny, M.A., Sec.R.M.S., F.ZS., &e. 
(continued). 
Studies in the Holothuroidea.—-IV. On the Struc- 
tural Characters of the Cotton-spinner (Holothuria 
nigra), and especially of its Cuvierian Organs 
Studies in the Holothuroidea.—V. Further Notes 
on the Cotton-spimner .2 0d... Fits de es 
Exhibition of some Models illustrating the paper 
of Rathke on the Develpoment of the great Blood- 
vessels in Werbebrates. ¢ 0.6. oduee eae eet oe 
Note on a Nematoid Worm (Gordius verrucosus) 
obtained by Mr. H. H. Johnston on Kilima-njaro .. 
Exhibition of examples of two Species of Phyto- 
phagous Coleoptera from Bombay .............. 
Exhibition of a fine specimen of Alpheus megacheles, 
from Herm, Channel Islands ...... tigger 
Exhibition of a specimen of the Genus Balano- 
glossus, obtained by Mr. Spencer at Herm ... 
Remarks upon the Species of Balanoglossus ex- 
hibited to the Society on November 17th last year. . 
Note on Bipalium kewense, and the Generic Cha- 
racters of Land-Planarians. (Plate XVIII.) 
Exhibition of, and remarks upon, an object made 
from some portion of the skin of a Mammal . . 
Exhibition of, and remarks upon, a specimen of 
MEU MUTOE A So 6 ain < 2's Grannies erie. G's 3,6 
Exhibition of, and remarks upon, a bifid specimen 
GEA KE ROIAGICE. 5. sa aPMRRR Ens his feels a thie, ae 
Report on a Collection of Echinodermata from the 
; Andaman Islands. (Plate XVI.) .....-........ 
‘ Extracts from a communication sent to him by 
. Mr. Edgar Thurston, containing Observations on two 
Species of Batrachians of the Genus Cacopus...... 
Page 
1884, 563 
1886, 154 
1886, 166 
1886, 420 
1887, 189 
