CONTENTS OF NUMBER 43.—Fifth Series. 
Page 
I. Contributions towards a General History of the Marine Polyzoa, 
By the Rey. Tuomas Hincass, B.A., F.R.S. (Plates I-III.) ...... 
II. Description of a new Species of Alactaga from Mesopotamia. 
By Otprietp Tuomas, F.Z.8., British Museum .................. 1A 
III. Supposed new Species of Horse from Central Asia. By M. 
SPOLIAROR Cee eS uh Ts a re ree 163 
IV. Notes on a small Collection of Rhynchota from Tokei, Japan. 
SAB yer ay STSTANE 852 oie owing Cs ee Ree cee Dre 
Y. Revision of the Lepidopterous (enn Usane with Descriptions — 
of new Species in the Collection of the British Museum. By Arraur — 
G.DorLER, Wa. 8s5 EUZ Saag oes ee cee Peers Wis goa ats pas vas 
VI. Supplementary Notes on the Flints and the Lithological Iden- 
tity of the Chalk and Recent Calcareous Deposits in the Ocean. “By. 
Surgeon-Major Warten, MDS ea, oe eee a al of 
- PROCEEDINGS OF LEARNED SOCIETIES. 
Geological Society:—Mr. J. W. Davis on the Fish-remains of 
the Bone-bed at Aust, near Bristol, with the Description of — 
some new Genera and Species; Mr. J. W. Davis on some Fish-— 
spines from the Coal-measures; Mr. F. D. Longe on some Ne 
Specimens of Diastopora and ‘Stomatopora from the Wenlock 
Limestone; Prof. W. J. Sollas on a new Species of Plestosawrus 
CR: Conybeari) from the Lower Lias of Charmouth, with Obser- 
vations on P. megacephalus, Stutchbury, and P. brachycephalus, 
Owen; Rev. P. B. Brodie on certain Quartzite and Sandstone 
Fossiliferous Pebbles in the Drift in Warwickshire, and their 
probable Identity with the true Lower Silurian Pebbles (with 
similar fossils) in the Trias at Bates Salterton, Devonshire 
BIBLIOGRAPHICAL NOTICHS. 
On the Structure and Affinities of the Genus Monticulipora and its 
Subgenera. By H. Atternz Nicworson, M.D, D.Sc., F.R.S.E., 
F.LS., Professor of Natural History in the University of St. 
YATTON 5 che es ici 60s ace so a aie euee inc nate Wes echo ee ee 61 
Note-book of an Amateur Geologist. By J. HE. Luz, F.G.8.,F.8.A... 63 
MISCELLANEOUS. 
On the Embryogeny of the Ascidians of the Genus Lithonephria. By 
MA GEARD ei itere eos vio a ns ot a4 oop oh so CRI eee 64 
North-Atlantic Echinodermata. By MM. D.C. Danietssen and J. 
KOREN (5 chia soon nah Ib to) #6, nce ip sine Be pe RE eee 66 
On Dr. Karsch’s Subdivision of the Phrynidia. By A.G. Burtmr .. 69 
On the Influence of the Marine Currents in the Geographical Distri- - 
bution of the Amphibious Mammalia, and particularly of the 
Hared Seals. By M. EH. L. Trovnssart...................- TD 
On the Zoological Affinities of Halysites. By A. E. VERRILL ...... - 72 
*,* It is requested that all Communications for this Work may be addressed, 
post-paid, to the Care of Messrs. Taylor and Francis, Printing Office, 
Red Lion Court, Fleet Street, London. 
58-60 
