lv CONTENTS. 
NUMBER II. 
Page 
XII. Notes on various Species of Ctenodus obtained from the 
Shales of the Northumberland Coal-field. By THomas ATTHEY .. 77 
XIII. On the presence of two Glandular Sacs in the Cephalothorax 
of the Phalangude. By Dr A. KROHN 2. 0... cccceecceeesees or 
XIV. Observations on the Distribution of some Species of Nudi- 
branchiate Mollusca in the China Sea. By Dr. C. Cottinewoop, - 
pe ee ee ee eae mee On 
XV. Remarks on the Names applied to the British Hemiptera 
Heteroptera. By Francis P, Pascos, F.LS. Ke. «0... eee eeees 94 
XVI. Notes on the Sexes of the Cocytus Group of the Genus 
Adohas.” By A. G. Buthern, PZB. Cisse. ecs ccs ty 97 
XVIL. Observations on Sea~Bears Serhan and especially on 
the Fur-Seals and Hair-Seals of the Falkland Islands and Southern 
America. By Dr. J. E. Gray, F.R.S., V.P.ZS., F.LS., &e....... 99 
XVIII. On the Occurrence of Diplommatina Huttoni and Ennea 
bicolor in the West Indies. By Wiiitam T. Buanrorp, F.G.S., : 
OMB OE Fr tsb Fen vans cue OEE Oa 4 4s bo ee 110 
XIX. On the Discovery of a new and Gigantic Fossil Species of 
Echidna in Australia. By Grerarp Krerrt, Curator and Secretary 
of the Australian Museum, Sydney............ ee ree 118 
XX. On the “ Vitreous” Sponges. By Prof. WyviLLE Tomson, 
LL.D., F.R.S.E., F.G.8., MR.LA. (Plate TV.) ots usa ee eo | ae 
XXI. Notule Lichenologice. No. XX. ~By the Rev. W. A. 
BRIGHTON BASS BUS. ices as ess tui os Os ia 133 
XXII. On the Spongie ciliate as Infusoria flagellata; or Observa- 
tions on the Structure, Animality, and Relationship of Leucosolenia 
botryoides, Bowerbank. By H. Jamus-Cuark, A.B., B.S., Professor — 
of Natural History in the Agricultural College of Pennsylvania. 
(Plates. Vi, Vag Vis) oa eens oe Haw a Pe ab, 
New Books :—The Natural History of the Tineina, by H.T. Stainton. 
Vol. X.—The Tineina of Syria and Asia Minor, by H. T. Stain- 
ton, F'.L.S.—The Fishes of Zanzibar. ACANTHOPTERYGH, by 
Lieut.-Colonel R. Lambert Playfair, Her Majesty’s Political 
Agent and Consul at Zanzibar. PHaryNncoGnatui &c., by 
Albert C. L. G. Giinther, M.A., Ph.D., M.D.’.......... 142—144 
Proceedings of the Royal Society... 5. vised e eee eee as 145 
Errata in Localities of Indian and Burmese Squirrels—Necessity of 
defining more exactly what is understood by India, by William ~ 
T. Blanford; Preservation of Objects of Natural History, by Wil- 
mot H. T. Power, Assistant-Surgeon, 13th Light Infantry ; On 
Leskia mirabilis, by Dr. J. E. Gray, F.R.S. &c.; Macacus lasiotus, 
a new Ape from China, by Dr. J. E. Gray; Additions to the 
