iv CONTENTS. 
Proceedings of the Geological Society .......... Pe etic ‘.«.. 67—70 
On the Unpaired Eye of the Crustacea, by M. Hartog; Sponges from 
the Neighbourhood of Boston, U.S., by E. Potts; On the Priority 
of Euploea Castelnaui of Felder over Euplea pheebus, by Arthur 
G. Butler, F.L.S., F.Z.S., &e.; On the Feeundation and Deve- 
lopment of Hermella alveolata, M.-H., by Dr. R. Horst; On the 
Condylarthra, by Prof. Cope; Domestication of Wild Ducks, by 
C. Linden; On Balanoglossus &e., by Prof. Leidy ; On a new 
Species of Sagitta, by Prof. Leidy ........ Bip eee Pah 71—79 
NUMBER LVL. 
X. The Entoniscide. By Dr. R. Kossman. (Plate IX.) ...... 81 
_ XI. On some new Species of Spiders of the Genus Cerostris from 
Madagascar. By Arntuur G. Burtirr, F.L.S., F.Z.8., &c., Assistant- 
Keeper, Zoological Department, British Museum. (Plate VL) .... 100 
XII. New Sponges, Observations on old ones, and a proposed new 
Groap: By He J Carre, HRS: Ca, > eels eee aie ies ,, 106 
XIII. Contributions to the Knowledge of the Alcyonaria.— Part II., 
including Descriptions ef new Species from Mauritius. By Sruarr 
©; Riprry, M.A.; F-E.S., &c. (Plate V.).......- vie ioe Pore LOS, 
XIV. Carcinological Investigation on the Genera Pemphix, Gly- 
phea, and Areosternus. By T.C. WINKLER....... MIC SHED OO 133 
XV. Descriptions of new Species of Lepidoptera, chiefly from 
Duke-of-York Island and New Britain. By ARTHUR G. BUTLER, 
IP wShy UAH OG BN EGoooceea bo CoooTooor oda buco noo OSG aie eae 149 
XVI. Contributions towards a General History of the Marine 
Polyzoa. By the Rev. Tuomas Hincxs, B.A.,F.R.S. (Plates VII. 
5 \HIDUE ie clon inc bee een eine Ginnie cen mnmcndc 6.60.0 c visitor 160 
New Books:—The Student’s List of British Coleoptera, with Synoptic 
Tables of the Families and Genera. Compiled by Francis P. 
Pascor.—Rhopalocera Malayana: a Description of the Butter- 
flies of the Malay Peninsula. By W.L. Distanr. Part IL. 170,171 
Proceedings of the Geological Society .........0sc00e soeee 172—375 
Notes on the Luminosity of the Sea, tuken on the West Coast of 
Norway from September 1881 to April 1882, by W. E. Koch, 
B.A.;F.G.S.; On the Priority of Luplaa Castelnaui of Felder over 
Euplea phebus, by W. L. Distant ; Onsome Experiments in Hy- 
bridization between different Species of Echinoidea, by M. R. 
Kohler; On Variation in the Nest-forms of the Furrow-Spider 
(Epeira strix), by the Rev. Dr. H. C. McCook ; On Segmentation 
m the Mites, by 'P,. Kraimeba\ San petet ced soak eee 176—188 
