8 
Bett, F. Jurrruy, M.A., Sec.R.M.S., F.Z.8., &e. 
(continued). 
Observations on the Characters of the Echinoidea. 
—IV. The Echinometride, their Affinities and Syste- 
POALICHEOSIIOTMEEE RANE oe eaatn ice 2) ahaa eine 
Description of a new Species of the Genus Mespilia. 
Contributions to the Systematic Arrangement of 
the Asteroidea.—I. The Species of the Genus Aste- 
rias, (Plates XLVII. & XLVI) .........005 
Descriptions of new or rare Species of Asteroidea 
in the Collection of the British Museum. (Plate VI.) 
An Attempt to apply a Method of Formulation 
to the Species of the Comatulide; with the Descrip- 
tion of a new Species. (Plate XXXV.).......... 
Exhibition of examples of Limneeus truncatulus . . 
Studies in the Holothuroidea.—I. On the Genus 
Psolus and the Forms allied thereto. (Plate XLVIIT.) 
Note on a Crinoid from the Straits of Magellan . 
Exhibition of, and remarks upon, some micro- 
scopical preparations obtained from the Zoological 
SIETINVE RAD VG) (2 aegis Ot on EO SRE 
Studies in the Holothuroidea.—IJ. Descriptions 
ocmow Species. (Plate AV.) .......--.:seepee 
Exhibition of, and remarks upon, some specimens 
of an undescribed Species of Ten-armed Antedon .. 
On the Generic Position and Relations of Zchz- 
nanthus tumidus, Woods. (Plates II. & III.) .... 
Contributions to the Systematic Arrangement of 
the Asteroidea.—II. The Species of Oreaster...... 
Exhibition of, and remarks upon, Estheria meli- 
CPNSIS V.cyer Wo TeRE Te ciePe ore eiel se oa bre ce 0 eee 
Studies in the Holothuroidea—III. On Amphi- 
cyclus, anew Genus of Dendrochirotous Holothurians, 
and its bearing on the Classification of the Family. . 
1881, 
1881, 
1881, 
1882, 
1882, 
1882, 
1882, 
1882, 
1883, 
1883, 
1883, 
1884, 
1884, 
1884, 
1884 
Page 
410 
433 
492 
121 
530 
634 
641 
600 
47 
58 
466 
253 
