1V CONTENTS. 
NUMBER LXXIV. 
Page 
VII. On a Specimen of Pecopteris (? polymorpha, Brongn.) in 
Circinate Vernation, with Remarks on the Genera Spiropterts and 
Rhizomopteris of Schimper. By Roserr Kipsron, F.G.S. (Plate V. oe 
Bier, i.) vas ce seis e Weare ee He aielele sw nels 6 > 010 0 oe wire aici cae 
VIII. On a new Species of Schutzia from the Calciferous Sand- 
stones of Scotland. By Rospgrr Kinston, F.G.S. (Plate V. fig. 2.) 77 
IX. On the Fertilization of the Floridee. By Prof. F. Scumipr. 80 
X. Contribution to the Knowledge of the Freshwater Sponges. 
By Dr. F. Vespovsky, of Prague. With Remaris by H. J. Carrsr, 
PF Rp. &e- (Llate V1.) 0 5b: une: Mane ee cee +. 96 
XI. A Reply to the Remarks of Prof. Duncan on a Paper entitled 
‘¢ Contributions to the Actinology of the Atlantic Ocean.” By Prof. 
G., LENDSTROMG |. o:ii..ccantwupleeomic am npeeryier= nie ecit: ite «kam 102 
XII. On the Species of Pseudoboletia. By Prof. F. Jnerrrey Brxt, 
INUSAS, ciaicie hace siee fo ceils eat ates siete t/t inate athe Sette anette etek eee 108 
XIII. On new Stylasteride, with Remarks on some recently 
described Forms. By J. J. Quricu, B.Sc. Lond., Assistant, Zoolo- 
gical Department, British Museum .........-..0eeeesesnectesee Ill 
XIV. Contributions to Micro-Paleontology.—Notes on some 
Species of Monticuliporoid Corals from the Upper Silurian Rocks of 
Britain. By H. Arteyne Nicyozson, M.D., D.Se., Regius Pro- 
' fessor of Natural History in the University of Aberdeen. (Plate VII.) 117 
XV. Description of a new Genus and Species of Longicorn Coleo- 
ptera from the Philippine Islands. By Cuartes O. WATERHOUSE 128 
XVI. Generic Characters of the Sponges described in Mr. Carter’s 
“Contributions to our Knowledge of the Spongida ” (‘ Annals,’ 1883, 
vol. xil.-p.,308).,! By thm AUTHOR, AUid.s aioeaba wn pele 129 
XVII. On some Histeride new to the Japanese Fauna, and Notes 
of others. . By Groner Luwis, Figs. (a Ek Wabi let open 131 
Proceedings of the Dublin Microscopical Club .............. 140—145 
Proceedings of the Geological Society ...........-eceeeees 145—146 _ 
On the so-called Dimorphism in the Genus Cambarus, by Walter 
Faxon; On Visual Organs in Solen, by Dr. B. Sharpe; On a 
Nematode Parasitic on the Common Onion, by M. Joannes 
Chatin ; Evidence of a Protozoéa Stage in Crab Development, 
bys, WConn |... .. ccs cee ee ee ...L47—152 
