1v CONTENTS. 
NUMBER XLIV. 
Page 
VII. On the perfect State of Prosopistoma punctifrons. By M. 
/ausioieay \edeiaanioy | (LEWES G)\e oon oodcocucodandecocooncaocc 73 
VIII. Notes on Indian Land and Freshwater Mollusks.—No. I. 
On the Discrimination of the Sexes in the Genus Paludina. By J. 
Woop-Mason, Deputy Superintendent, Indian Museum, Calcutta, 
on Special Duty in Assam. ......0.0ee cece scene cere eres se ceees 85 
IX. Description of a new Volute from the South Coast of Aus- 
tralia. By FrepEerick M‘Coy, F.R.S., Professor of Natural Science, 
University of Melbourne. "(late Villas cree ec oe 88 
X. On some British Specimens of the “ Kammplatten” or 
“ Kammleisten ” of Professor Fritsch. By THomas Srock, Natural- 
History Department, Museum of Science and Art, Edinburgh. 
(Gt iro A be eee te enna mb argi erinmninIn oyu Grn ral) 010.00 0 00005 < 90 
XI. On some Mammals from the North-west Frontier of Kash- 
pba) MBN lo OURS “Sos dadnonndbopoodVGdasueeddboGOd0tCCO0s: 95 
XII. Contributions to our Knowledge of the Spongida.—Order II. 
Ceratinay By tly). Car man HES. cue) i (eylate1UX®)| ei renee 101 
XIII. On the Development of the Fibre in the Spongida. By H. 
Aj, (Cuusaman, Io Jes, Cas) (CHEM ID)) Wogbavascscebogaocbodogo0- 112 
XIV. On an Organism which Penetrates and Excavates Siliceous 
Sponge-spicula (Spongiophagus Carteri). By Prof. P. Martin 
DUNCAN WHR Ss, bres. loyal Miacroscops SOc) (ccc. leet. 120. 
XV. Contributions towards a General History of the Marine Poly- 
zoa. By the Rev. THomas Hincxs, B.A., F.R.S. (Plates 1—-V.) 122 
XVI. Observations on Aulastoma heluo. By Roperr TEMPLE- 
On Bey (Celene MIMUE S Gaasen nena caseogbodotnoana anos ooon: 187 
XVII. A Note on the Characters of the Genus Crossaster, with 
the Description of a new Species. By I’. JEFrrey Betx, M.A..... 140 
XVIII. Notes on Longicorn Coleoptera.-—Revision of the Atré- 
nicides and Amphionychides of Tropical America. By H. W. BaTEs, 
ES ES years Se bids el becasentd nleseders’s « 2014 Oa 142 
Proceedings of the Geological Society................-.-+.: 153—158 
New Books :—Journal and Proceedings of the Royal Society of New 
South Wales for 1879.—Proceedings of the Bristol Naturalists’ 
Society, 1879.—Proceedings of the Yorkshire Geological and 
leollvael ama saeieiiy, USO) Gy bbbasooundsodoss0ecaagnD0s 158, 159 
On some remarkable Fossil Fishes from the Devonian Rocks of 
Scaumenac Bay, in the Province of Quebec, by J. F. Whiteaves ; 
Migrations of the Poplar-Aphis (Pemphigus bursarius, Linn.), by 
