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abdomen aberrations abundant Agrotis ambigualis anal antennae apex apical appearance Argynnis Armagh atalanta atropos August autumnata band basal Belfast bred British butterflies captured Ckll Clonbrock Colias edusa collection common Cork cyanea Derry Digne dilutata district dragonfly Dublin edusa eggs emerged Enniskillen Entom Entomological Entomologist examples exhibited experiments Fabr female figured flagellum flowers flying fore wings Forest four Galway garden Gemmi Pass genera genus ground colour hind wings Howth hyale hybernated imago insect July June large number larvae latter Lepidoptera Libellula Libellula depressa localities Lycana male margin markings Markree Castle Melanippe mesothorax moths Mschna nervure Noctua Notodonta nymph Nymphalids observed obtained Oporabia pale Papilionides Plate plentiful Plusia pronotum pupa Road season seen segment Sept side Sligo species specimens spots Stal Stalden striolatum sugar Sympetrum taken Thecla thorax took Vanessa variety Visp Wicklow yellow Zmutt
Page 252 - ... specimens were bottled from round its edges, the net still appearing quite full ; as, in the some thirty specimens sent, the sexes were in almost even proportions, this was not a case of male assemblage. He also exhibited cleared wings, showing the neuration...
Page 18 - He read some notes relating to the genus, and to characters, chiefly drawn from structure, by which the different species may be distinguished. — Mr. Malcolm Burr called attention to Dr. Sharp's paper on the modification and attitude of Idolum diabolicum, recently published in the Proceedings of the Cambridge Philosophical Society (vol. x. part iii. ). He exhibited the plate, drawn after nature by Mr. Muir, which illustrates the paper, pointing out that no drawing of this kind showing a Mantid...
Page 360 - Mr. Gahan remarked that the capture of insects by Araujia albens had recently been investigated in France by MM. Marchand and Bonjour, whose account appeared in the ' Bulletin de la Soc. des Sciences Nat. de 1'Ouest de la France' for 1899. These authors concluded that insects were captured only by immature flowers, the anther-wings, in the cleft between which the proboscis of the insect is caught, being at that time stiff and resistant ; but when the flowers are ripe the anther-wings become less...
Page 360 - Argynnis ilia taken with a few examples of the ordinary form at Ilanz in the Vorder Rhein valley early in September last, when what was, he believed, a third brood of this species, was abundant ; the variety was much blackened on the basal half of all the wings. — Canon Fowler exhibited a specimen of Orockarcs angustatus, Erichs., a Staphylinid beetle new to the British list, taken at Leverstock Green, Herts, by Mr.
Page 135 - That the male chafes under the burden is unmistakable; in fact, my suspicions as to the sex of the egg-carrier were first aroused by watching one in an aquarium which was trying to free itself from its load of eggs, an exhibition of a lack of maternal interest not to be expected in a female carrying her own eggs. Generally the Zaithas are very active, darting about with great rapidity; but an egg-bearer remains quietly clinging to a leaf with the end of the abdomen just out of the water. If attacked,...
Page 132 - The following gentlemen were elected as Officers and Council for the ensuing year : — President, Henry Clifton Sorby, FRS Vice-presidents: Charles Brooke, FRS, William B.
Page 135 - For five hours I watched a silent unremitting struggle between the male and the female. Her desire was evidently to capture him uninjured. She crept quietly to within a few inches of him, and there remained immovable for half an hour. Suddenly she sprang towards him ; but he was on the look-out, and fought so vigorously that she was obliged to retreat. After this repulse she swam about carelessly for a time, as if searching for food was her only thought. But in ten or fifteen minutes she was back...
Page 360 - Formica sanguinea at Weybridge, in which he found males and workers of that species, he found also males and females as well as workers of the slave-ant, Formica fusca, an experience somewhat different...
Page 204 - L., taken in either June or September, 1898, by Mr. Ferrand, of Littlefield House, Exmouth, on the Haldon Hills, in the neighbourhood of that town. Mr. McLachlan exhibited an example of...
Page 253 - The short anterior legs are held well up close together, in a line with the body, the head raised about an inch from the leaf, while the tip of the abdomen and ovipositor is pressed against the leaf — a downward and forward movement being given. The ovipositor is thus forced through the leaf, then partially withdrawn and the...