VIU CONTENTS. 



Page 

 LXII. Mr. Dendy on the Chalinince. By R. von Lendenfeld 428 



LXIII, Descriptions of six new Species of Butterflies captured by 

 Mr. John Whitehead at Tiina Balu Mountain, North Borneo. By 

 H. Grose Smith 432 



LXIV. On the Development of the Sexual Products in Spongilla. 

 By Kael Fiedler 435 



LXV. Diagnoses of two new Central- African Mammalia. By 

 Oi-D FIELD Thomas 440 



Proceedings of the Royal Institution of Great Britain 441 



Proceedings of the Geological Society 443 



JEga crenulata (Liitken), by J. Duncan Matthews, F.R.S.E. ; Sehas- 

 tes norvegicus, by J. Duncan Matthews, F.R.S.E. ; On a new 

 Genus of Phosphorescent Lumbricidse, and on the Type-species 

 of that Genus, Photodrilus phosphoreus, Duges, by M. A. Giard ; 

 Note on a new Species of Cercopithecus from KafFa, in Central 

 Africa, by Dr. Enrico H. Giglioli ; On the Formation of the 

 Calcareous Corpuscles in Holothuria, by M. Edgard H^rouard 



444—450 



Index 451 



PLATES IN VOL. XX. 



Plate 'L New Genera and Species of Coleoptera. 

 '^II. Eggs of Osseous Fishes. 

 '^III. Freshwater Infusoria. 

 '^IV.^ 



•^ V / T T^ 



,/ ■ y Australian Bryozoa. 



^VIL^ 



■^III. Semionotus .loassi. 

 IX. 

 X. 

 XL 

 XII. 



"Xni. Polyparium ambulans. 

 / XIV. Pseudodesmus verrucosus. 

 '■ XV. Cladorhiza pentacrinus. 

 '■ XVI. Batrachians from Perak. 



"^XVII. Argonauta Bottgeri.— Evechinus rarituberculatus, 

 ''XVIIl. New Enchytreeidaj. 



a 



Madras Sponges. 



