. A text-book of horseshoeing, for horseshoers and veterinarians . A horny frog cut vertically and lengthwisethrough its middle: a, upper surface; b, frog-stay; c, median lacuna of frog, which at c, isoverlaid with superposed layers of horn. Fig. Longitudinal section of the wall magnified. The dark stripes parallel and close togetherare horn-tubes; the lighter surface between the tubes represents the intertubular that the horn-tubes are of various diameters. The space between a and b representsthe small tubes of the outer, darker horn of the principal (middle) layer of the wal
. A text-book of horseshoeing, for horseshoers and veterinarians . A horny frog cut vertically and lengthwisethrough its middle: a, upper surface; b, frog-stay; c, median lacuna of frog, which at c, isoverlaid with superposed layers of horn. Fig. Longitudinal section of the wall magnified. The dark stripes parallel and close togetherare horn-tubes; the lighter surface between the tubes represents the intertubular that the horn-tubes are of various diameters. The space between a and b representsthe small tubes of the outer, darker horn of the principal (middle) layer of the wall; the spacebetween b and c the lighter, inner horn of the wall; c, rf, the horn separating the wall properfrom the horny leaves; d, e, the horny leaves (keraphyllous tissue), on which can be seen fine,parallel, vertical stripes; in the horn-leaf at /, /, are seen fissures passing obliquely upwardand outward towards the wall. the edges of the sole just in front of the bars, with both ofwhich structures it is intimately united. Its horn is quitesoft and very elastic. The median lacuna or cleft of the 58 HORSESHOEING. Fig. 41.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherphila, bookyear1913
