1V CONTENTS. 
Page 
The “Crag Mollusca,” by Searles V. Wood, F.G.S. ; Mediterranean 
Mollusca, by J. Gwyn Jeffreys, LL.D., F.R.S.; Further Obser- 
vations on the Dimorphism of the Foraminifera, by MM. Munier- 
Chalmas and Schlumberger; On Radial and Bilateral Symmetry 
in Animals, by H. W. Conn; Observations on Blastogenesis and 
Alternation of Generations in the Salpe and Pyrosomata, by M. 
ONCE <5 a 550 ah celeron rte ret one ha pee ea ae eee 66—70 
NUMBER LXVIII. 
X. Further Contribution to the Knowledge of the Family Trntin- 
nodea.. By Dr. Hermann Fou. (Plate TV:).........-0. + -es sem 75 
XI. Descriptions of some new Genera and Species of Curculionidae, _ 
mostly Asiatic.—Part II. By Francis P. Pascor ..... Oe re. 88 
XII. On some Lepidoptera from the Victoria Nyanza. By 
ARTHUR G. BULLER, FILS. EUZiS, ccs) ae mime eee 101 
XIII. Descriptions of two new Species of Milionta, a Genus of 
the Lepidopterous Family Luschemide. By Artuur G. BuriEr, 
104) Ges Pal On Ate Pat aa ee Mineo Pee et tion 107 
XIV. On Rudimentary Wings in the Coleoptera. By Dr. H. 
1056 6 A ee Sr Mae Rene MME ERAGE. oo « c 108 
XV. On the Systematic Relations of the Carnivora Fissipedia. 
By E. D. Cops 
XVI. Notes on the Mollusca in the Great International Fisheries 
Exhibition, London, 1883, with the Description of a new Species of 
Pleurotoma. By J. Gwyn JEFFreys, LL.D., F.RS. ...........- 116 
XVII. On two Freshwater Sponges (Spongilla nitens, Carter, and 
S. Bohmit, sp. n.) collected by Dr. R. Bohm in the River Ugalla near 
Lake Tanganyika, By M. EiiremnpoRr | .. 2... 2. <2... eee 120 
Proceedings of the Dublin Microscopical Club .............. 123—128 
Proceedings of the Geological Society 
New Books :—Mémoires de ?Académie Impériale des Sciences de 
St. Pétersbourg. 7° série, tome xxxi. No. 5. Miscellanea Silu- 
rica IIT. I. Supplement to the Monograph of the Russian Leper- 
ditia. 1. The Crustacean Fauna of the Furypterus-beds of 
Rootzikill, Oesel. By Magister Fr. Scumipt, Fellow of the 
Academy.—Proceedings of the Bristol Naturalist’s Society. 
New Series, vol. iv. part ii—Journal of the Royal Geological 
Society of Ireland. Vol. xvi. part ii.; n. s. vol. vi. part ii. 
for 1881-82.— Transactions of the Geological Society of 
Glasgow. Vol. vii. part i. for 1880-82 ................ 129—184 
A proposed new ‘Nomenclator Paleontologicus ;’ Selenotropism in 
Plants, by M. C. Musset ; Jumping Seeds and Galls, by Charles 
V. Riley ; The “Crag Mollusca,” by J. Gwyn Jeffreys, LL.D., 
F.R.S.; on a new Crinoid from the Southern Seas, by P. 
Herbert Carpenter, M.A., Assistant Master at’ Eton College. 
