rONTENTS. VII 



I'agc 

 lurer on Natural History in the Extra-Academical 8eluH>l of lulin- 

 biu-gh. (riate VII.) ;j;J7 



XXXVII. Li.*;! of Species in a small Collection of Butterflies from 

 the South Seas. By Arthur Gardiner Butlkr, F.L.S. &c 8^7 



XXXVIII. On new Diurnal Lepidoptera. By A. G. Butlek, 

 F.L.S. &c 3G2 



XXXIX. A word in explanation of a passage occurring in my 

 " Concluding Observations on the Parasitism of Rhipiphurus para- 

 doxus."' By Fredkrick Smith 3Go 



XIj. Notes on Myriosteon Higginsii. By Dr. J. E. Gray, 

 F.R.S 36G 



XLI. Researches on the Freshwater Crustacea of Belgium. (Se- 

 cond and Third Parts.) By Felix Plateau 3G7 



XLII. Note on Polytrema miniaceum. By Prof. G. J. Allman, 

 F.R.S ■ 372 



XLIII. On the OccuiTcnce of Lojcomma AUmanni in the Northum- 

 berland Coal-field. By Albany Hancock, F.L.S., and Thomas 

 Atthey 374 



The Male Prothallium of the Vascular CYyptogamia, by A. Millai'det ; 

 Morphological Researches on the Mollusca (first memoir : Gas- 

 teropods), by M. Lacaze-Duthiers; A new British Land-Shell, 

 by J. Gw-Tu Jeffreys, F.R.S. ; On the presence of peculiar Or- 

 gans belonging to the Branchial Apparatus in the Rays of the 

 Genus Cephaloptera, by M. A. Diimeril ; Observations on the 

 Turning of Fungi, by M. P. Duchartre ; Deep-sea Dredging in 

 the Adriatic 370—388 



NUMBER XXX. 



XLIV. On Haliphysenia ramulosa (Bowerbank) and the Sponge- 

 spicules of Polytrema. By II. J. Carter, F.R.S. &c 389 



XLV. Notes on a Collection of Spiders made in Sicily in the Spring 

 of 1868. By E. Perceval Wright, M.D., F.L.S.', Professor of 

 Botany, Trinity College, Dublin. With a List of the Species, and 

 Descriptions of some new Species and of a new Genus, by John 

 Blackwall, F.L.S. (Plate VIK.) 392 



XLVI. Notes on some new Genera and Species of Alcyonoid Corals 

 in the British Museum. By Dr. J. E. Gray, F.R.S., V.P.Z.S., &c. . 405 



XLVII. Notes on the Structure of the Crinoidea, Cystidea, and 

 Blastoidea. By E, Billings, F.G.S., Palaeontologist of the Geolo- 

 gical Survey of Canada 409 



