vi CONTENTS. 
Page 
XXX. The Branched and Unbranched Forms of the Freshwater 
Sponges considered generally. By H.J. Carrer, F.R.S. &e....... 269 
XXXI. Descriptions of five new Species of Heterocerous Lepido- 
ptera from Yesso. By Artuur G, Burter, F.LS., F.Z8., &..... 273 
XXXII. Coleoptera collected during the Expedition fof H.MS. 
‘Challenger.’ By CHARLES O. WATERHOUSE ....seseeeeeeeeeee 276 
XXXIII. On the Classificatory Value of Growth and Budding in 
the Madreporide, and on a new Genus illustrating this point. By 
Sruart O. Ripiey, M.A., F.L.S., &., Assistant in the British 
Museum (Natural History). (Plate XL.) ...........eeeeeeeees: 284 
XXXIV. Preliminary Notice of new Genera and Species of ‘ Chal- 
lenger’ Reef-Corals.—Part I. By J. J. Quetcu, B.Sc. (Lond.) .. 292 
Proceedings of the Geological Society ..........seseeeenee 297—299 
New Books:—Notes on Natural Selection and the Origin of Species. 
By Francis P. Pascon, F.L.S.—Phytogeogenesis. The Pri- 
meval Development of the Crust of the Earth and of Plants. 
sketched cut iby Dr. Orro KUNTak .2 2%... eos + omens 500—802 
On the Operculum of the Gasteropoda, by M. Houssay; A Fungus 
infesting Flies, by Prof. Leidy ; On the Occurrence of Colobus 
Kirkii, by Sir J. Kirk; Polythalamia from Inland Salt Water in 
Hungary, by Dr. Eugen von Daday ; On the Sexual Differences 
of Corebus bifasciatus, and on its supposed Ova, by M. A. La- 
boulbéne; New Contributions to the Knowledge of the Rota- 
toria, by Dr. Kugen von Daday; On the Development of the 
Gamatule, bby Mi Perron. } 0 siccs0.cs eda conven one 304—310 
NUMBER LXXVII. 
XXXV. The Classification of the Animal Kingdom, with refe- 
rence to the newer Zoological Systems. By Dr.'T. Mar@o........ 313 
XXXVI. Description of a new Species of Ptycholepis from the Lias 
of Lyme Regis. By Jamrs W. Davis, F.G.S. &. (Plate X.) .. 885 
XXXVII. On three new Species of Monticuliporoid Corals. By 
Artuur H. Foorp, F.G.S., late Assistant Palecontologist to the 
Geological and Natural History Survey of Canada, (Plate XII.) .. 338 
XXXVI. A Collection of Butterflies from the Fiji Islands. By 
crit Go DU ULEMR PLS 4 dE Zi. Sse WGc 8 (ities ace niet SiG mate cet ate 343 
XXXIX. A Contribution to the Knowledge of the Marine Fauna 
of Kurraehee., By J.jA5 Munna i) i vias jfeas come e aitio ene & 348 
XL. Note on the assumed Relationship of Parkeria to Stromato- 
pora,and on a Microscopic Section of Stromatopora mamilluta, Fy. 
Sehmidt... By dw, wCartaR, ERS. Ret: cas iodine called aS 
