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Jacoby, Martin, F.E.S. 



Descriptions of New Species of Ooleoptera of the Family 

 Halticidce from South and Central America. (Plate XX.) 171 



Jameson, H. Lyster, M.A., Ph.D., Municipal Technical 

 College, Derby. 



On the Origin of Pearls. (Plates XI V.-XVII.) 140 



KiRBY, W. F., F.L.S,, F.E.S., Assistant in the Zoological 

 Department, Biitish Museum (Natural History), 

 South Kensington. 



List of a small Collection of Orthopterous Insects 

 formed by Sir Harry Johnston in British East Africa 

 and Uganda in 1899 and 1900, with Descriptions of five 

 new Species 93 



Laidlaw, F. F., B.A., Assistant Lecturer and Demonstrator 

 at Owens College, Manchester. 



On a Collection of Dragonflies made by Membei'S of the 

 Skeat Expedition in the Malay Peninsula in 1899-1900. 

 (Plates Y, & VI.) 63 



LoNNBERG, Dr. Einar, C.M.Z.S., of the University, Upsala. 



On some remarkable Digestive Adaptations in Dipro- 

 todont Marsupials 12 



LoRENZ, LuDWiG VON, C.M.Z.S., Imperial Museum of 

 Natural History, Vienna. 



On the Specimen of the Quagga in the Imperial Museum 

 of Natural History, Vienna 32 



Lydekker, R., B.A., F.R.S., F.Z.S. 



Exhibition of, and remarks upon, a skull and two pairs 

 of antlers of an Elk from Siberia 107 



