( cxxiv ) 



American Papilios, exhibited, xlv ; of wasps by flies, exhibited, xlv ; in 

 African butterflies, exhibited, xlvi ; mimetic Nymphalino butterflies and 

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

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

 Mulleriau, Ixx, 559 ; in species of EiiphiU(Jra, Ixxix ; in group of Indian 

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

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

 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 Fajnlio dardanus from, xlix, 427. 

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

 Nturoptera, rare British, exhibited, Iv, hi ; -J'lanipennia and Trichopteru of 



New Zealand, some additions to the Perlidtv, Iviii. 

 New Zealand, some additions to the J'erlidiv, ^'eui-optera-Plauipeuniu and 



Trichoptcra of, Iviii, 

 Nonmiria new to Britain, exhibited, Ixxv. 



JVotodoiita chaoiiia, variation in Jlclitwa auriniu and, exhibited, xii. 

 Kudaria semx, exhibited, xxix. 

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



xlix, 359. 

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

 Nymphaliue butterflies, a.ssociation 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,witli the signatures 

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

 Victoria, the, exhibited, xlvi. 

 Ocellatus and Populi, Smerinthus, hybrids of, exhibited, Ixxvi. ; 

 Ochromyid, tongue of an, exhibited, xxvi. 

 Qistrid flies {S/iathicera) mimetic of species of Salius {Pompilidw), Ehinocerus 



bicornis followed by, xxix. 

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

 Orthoptera, further studies of the Tetriyiniv in the Oxford University 



Museum, xlix, 387. 

 Oxford, Pyralis lieniyialis at, exhibited, iii ; further studies of the Tutriyinie 

 (Orthoptera) in the University Museum of, xlix, 3S7 ; University 

 Museum Jubilee, li. 

 Oxyyastra, 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 Li'pidoptera, exhibited, xlvi ; on flies, exhibited, Ivii. 

 Pereute antodyca, mimetic relation between Colmnis telesiphe, Heliconius 



telesiphe and, exhibited, xci. 

 Perlidtv, Neuroptera-Planipeunia and Trichoptcra of New Zealand, some 

 additions to the, Iviii. 



