( cxxiv ) 



Americau Papilios, exliibiteil, xlv ; of wasps by flies, exhibited, xlv ; in 



African butterfl.ies, exhibited, xlvi ; mimetic Nymijhaline butterflies and 



their models, exhibited, xlvi ; in tropical American butterflies, xlix,585; 



in South American butterflies, exhibited, li ; and diaposematism, on 



Miillerian, Ixx, 559 ; in species of Euphiedra, Ixxix ; in group of Indian 



Celastrinids and Everids, exhibited, Ixxxi ; between Colienis telesiphe, 



Heliconius telesiphe and Percute antodyca, exhibited, xci ; by Colienis 



telesiphe and Belenois thysa, probably Miillerian, exhibited, xcvi ; in 



North American species of the genus Limenitis and their models, 447. 

 Morphos, exhibited, xlvi. 



Natal, heredity in Papilio dardanus from, xlix, 427. 

 Neptis in islands to E. and N.-W. of Madagascar, on species of, xxxiil. 

 Neuroptera, rare British, exhibited, Iv, Ivi ; -PIanipen)da and Tvichoptera of 



New Zealand, some additions to the Perlidie, Iviii. 

 New Zealand, some additions to the Perlidie, Neuroptera-Planipennia and 



Trichoptera of, Iviii. 

 Nonaijria new to Britain, exhibited, Ixsv. 



JVotodonta chaonia, variation in Melitwa aurinia and, exhibited, xii. 

 Nudaria senex, exhibited, xxix. 

 Nycterihiida3, with descriptions of two new species from Formosa, on certain, 



xlix, 359. 

 Nychitona and Psevdopontia, mimetic relation of, exhibited, xiii. 

 Nymj)haline butterflies, association of Pierine and, exhibited, xxii ; mimetic, 



and their models, exhibited, xlvi; temperature experiments with, 



exhibited, xcv. 

 Obituary. Herbert Goss, xx ; F. C. Lemann ; T. P. Furnival, xxv ; Francis 



Ford Freeman, xxviii ; T. Maddisou, li ; Lieut. -Col. Chas. T. Bingham, lix. 

 Obligation Book of the Entomological Society of Londou^with the signatures 



of the Duchess of Kent and the Princess Victoria, afterwards Queen 



Victoria, the, exhibited, xlvi. 

 Ocellatvs and Populi, Smerinthus, hybrids of, exhibited, Ixxvi. 1 

 Ochromyia, tongue of an, exhibited, xxvi. 

 (Estrid flies {Spathicera) mimetic of species of Salius {Pompilidw), Rhinoceros 



hicornis followed by, xxix. 

 OflBcers for 1909-10, nomination of, Ixxxv, xciii. 

 Orthoptera, further studies of the Tetriginai in the Oxford University 



Museum, xlix, 387. 

 Oxford, Pyralis lienigialis at, exhibited, iii ; further studies of the Tctriginm 



(Orthoptera) in the University Museum of, xlix, 387 ; University 



Museum Jubilee, li. 

 Oxygastra, types of, xliv. 

 Papilio dardanus from Natal, heredity in, xlix, 427. 



,, homerus, early stages of, exhibited, xxii. 

 PapiUos, from the Malay Archipelago, exhibited, xi ; mimicry in American, 



exhibited, xlv. 

 Parasites, on Lepidoptera, exhibited, xlvi ; on flies, exhibited, Ivii. 

 Pereute antodyca, mimetic relation between Cvlanis telesiphe, Heliconius 



telesiphe and, exhibited, xci. 

 Perlidai, JVeuroptera-Planipeiniia and Trichoptera of New Zealand, some 

 additions to the, Iviii. 



