ee OF es pe Series. 
Page : 
XXXII. On Hair-worms in the Collection of the British Museum. : 
By Dr. L Oem. (Plate KVL) 00 Soe ee 325 
XXXIII. Notes on the Paleozoic valved Entomostraca. No. XM. 
Some Cambrian and Silurian Leperditie.and Primitie. ay Prof. T. 
eis) 
Rover downs, FBS, PGS. (Plate XIX.) 02) 382 
XXXIV. Ctenoptychius or Kammplatten. By T. P. Bameae My 
POS OO 350 
XXXYV. On Spongiophaga Pottsi,n. sp. By H. J. Creu BBs 
er (Plate X VEL) Paes Ca aie oa 8 ieee 354 
XXXVI. On Aphelorrhina simillima, Westwood (Coleg, eka ? [3 
niide). By Cuarues 0. WATERHOUSE ........---+00.-+-- Bibs 362 
XXXVII. On a Collection of Crustacea ede by nae Heaiee pe 
Maltzan at Goree Island, Senegambia. By Epwanp J. Mimrs, pe 
¥.LS., F.Z.8. ° (Plate XV.) 
XXXVIII. Description of the Animal of Durgella Chena a # - 
Species of Land Shell from the And&man Islands. By Lieut. Colonel 
H. H. Gopwin-Avsten; FR S,,.B-Z8., GC... i eee er een ieee 377 
eeceee se eee see oe eee ee eee eee eee te 
XXXIX. Descriptions of some new Species of Heterocerous ie Oe 
doptera from Sumatra. By Arruur G. Burrer, F.LS., F.Z.8., &... 379 
BIBLIOGRAPHICAL NOTICES. 
A Treatise on Comparative Embryology. By Franots M. Batrour. 
Vol. IT 
Oouthts Rendu des Excursions (1) aux Environs de Renaix, (2) aux 
Environs de Bruxelles, (3) dans le Boulonnais, (4) dans le Qua-_ 
ternaire de la Vallée de la Somme. Par A. Rutor.—(5) Sur les 
Restes de Mammiféres Terrestres dans les couches de Eocene 
de Belgique. Par A. Ruror.—(6) Les Terrains Tertiairesdela _ 
Belgique; “Par A. Ruror et G. Vincent ¢ 6.) oe cow ae 383 
Monograph of the British Aphides. By Guorcz BowDLer Bucxron. . 384. 
MISCELLANEOUS. Pea 
On a Curious Phenomenon of Prefecundation observed in a Spionide me 
Worm.) By Mi AC GARD ic cite eet ee Cami in aiengnes ‘eee 386 
Some new Genera of Freshwater Sponges. By EH. Ports...... fig, Sega 
K newaForm of Freshwater Sponge ............+...0- : Leena — 889 
Note on the Structure of the Posterior Foot of Toauon By E. D. : ‘ : 
ORR eRe: sates 6 ix ov Ane (eet i oa ea Cass eee Yee 
Contributions to the Study of the Flazellate, By M. J. Kunstrm .. 890 
*.* It is requested that all Communications for this Work may be addressed, | 
post-paid, to the Care of Messrs. Taylor and Francis, | yee Office, 
Red Lion Court, Fleet Sirent, London. 6 
