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In fact, I am of opinion that these are often confounded together, and the merits of the former applied to this, although they are different in many respects. Those who wish to obtain more of its history may consult Stillingfleet's Observations on Grasses, p. 384. FESTUCA vivipara.

Treated in this manner, the following hardy species could not fail to be a success: Opuntia Rafinesquii and var. arkansana, O. vulgaris, O. brachyarthra, O. Picolominiana, O. missouriensis, O. humilis, Cereus Fendleri, C. Engelmanni, C. gonacanthus, C. phoeniceus, Echinocactus Simpsoni, E. Pentlandii, Mamillaria vivipara.

Bell, Sir C., on emotional muscles in man; "snarling muscles;" on the hand. Bell, T., on the numerical proportion of the sexes in moles; on the newts; on the croaking of the frog; on the difference in the coloration of the sexes in Zootoca vivipara; on moles fighting. Bell-bird, sexual difference in the colour of the. Bell-birds, colours of.

Beckles found large tridactyle impressions which it is conjectured were made by the hind feet of this animal, on which it is ascertained that there were only three well-developed toes. Occasionally bands of limestone, called Sussex Marble, occur in the Weald Clay, almost entirely composed of a species of Paludina, closely resembling the common P. vivipara of English rivers.

M. vivipara is quite hardy in New York, as also are several other kinds, whilst we learn that by planting them out in summer, and protecting them by means of a frame from heavy rain, dews, fogs, and sudden changes of weather, a good many species of both Mamillaria and Echinocactus are successfully managed in the neighbourhood of that town. Cultivation.

Yellow fever, immunity of negroes and mulattoes from. Youatt, Mr., on the development of the horns in cattle. Yura-caras, their notions of beauty. Zebra, rejection of an ass by a female; stripes of the. Zebus, humps of. Zigzags, prevalence of, as ornaments. Zincke, Mr., on European emigration to America. Zootoca vivipara, sexual difference in the colour of.