Botanical Society of Edinburgh. 343 shining grass-green ; throat, sides of the neck and chest, rich violet-blue; wings purple-brown; tail rather forked; central feathers bronzy green ; lateral feathers purplish black ; upper mandible and tip of the lower black ; basal portion of the latter fleshy white. Female : upper surface shining grass-green, but of a paler hue than in the male ; tail as in the opposite sex, except that the lateral feathers are tipped with white ; centre of the throat, abdomen and under tail-coverts white. Total length, 3| inches ; bill, f ; wing, 2 ; tail, l£. Hab. Near David, on the north side of the Cordillera, Veragua. I am also indebted to Dr. T. B. Wilson of Philadelphia for the loan of a specimen from Panama. This species is precisely of the same elegant form as the T. Goudotii, but is of a larger size, and is at once distinguished from that bird by its blue breast. 5. TROCHILUS ( ?) CASTANEOVENTRIS. Crown of the head metallic green ; upper surface green ; wings purplish brown ; tail dark bronzy green, crossed near the tip by a broad band of black ; the lateral feathers tipped with buff, which de-creases in extent as the feathers approach the central ones ; all the under surface reddish chestnut ; bill black. Total length, 4 inches ; bill, -J; wing, 2\ ; tail, If. Hab. Cordillera of Chiriqui, at an altitude of 6000 feet. Remark. — This is a moderately sized species, and is not allied to any other member of the family with which I am acquainted ; I am therefore unable to assign it a place in any of the sections hitherto proposed ; the specimens I possess appear to be immature, and are unfortunately in bad condition. 6. TROCHILUS ( ?) NIVEOVENTER. Crown of the head and back of the neck bronzy green ; back rich coppery bronze ; wings purple-brown ; upper tail-coverts reddish purple ; tail purple-black ; throat resplendent green ; abdomen snow-white ; flanks green ; under tail-coverts greenish brown, margined with white ; bill black, except the basal three-fourths of the lower mandible, which are flesh colour. Total length, 3f inches; bill, -J; wing, 2\; tail, \\. Hab. Near David ; warm countries of Veragua. Remark. — Nearly allied to T. Edwardi and T. erythronotus ; from the former, however, it differs in the colour of the tail, and from the latter in the white colouring of the breast. BOTANICAL SOCIETY OF EDINBURGH. Thursday, 19th June. — Professor Balfour, President, in the Chair. A copy of the new edition of the Society's Catalogue of British Plants was laid on the table. Mr. Henry Paul presented a specimen of Codium Bursa, collected in the neighbourhood of Brighton. Dr. Balfour exhibited specimens of Bryum Wahlenberyii from Arniston, near Edinburgh, where they were collected by Mr. Veitch,
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