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Show 24 PROF. B. C. A. W I N D L E AND MR. J. H U M P H R E Y S [Jan. 14, Table XXXIV.-Comparative Esquimaux Sheep-dog Newfoundland , Greyhound Italian Greyhound Irish Wolf-dog, modern. Irish Wolf-dog, old Spaniel Bloodhound Pointer Mastiff Bull-dog Pug Fox-Terrier Skye-Terrier Pariah Dingo Length of Pm.4. Max. Min.i D. Av. 38-72 30-17 28-57 29-23 31-29 29-71 30-83 33-33 30-00 30-95 31-61 31-91 31-11 34-44 39-67 35-57 33-63 25-64 27-50 2770 26-26 28-00 25-80 25-75 24-13 23-52 24-64 24-02 26-00 28-57 27-58 31-81 28-22 29-06 13-08 2-67 •87 2-97 3-29 3-91 5-08 9-20 6-48 6-31 7-59 5-91 2-54 6-86 7-86 7-35 4-54 30-74 28-83 28-27 28-13 29-48 27-27 28-93 29-30 26-94 28-29 27-22 28-47 29-74 30-72 36-11 31-09 30-58 Length of M . 1. Max. Min. I D. Av 24-36 20-43 20-71 21-53 23-52 21-73 19-44 22-72 21-16 22-22 21-32 25-95 24-44 26-31 21-65 23-66 16-06 19-82 20-00 18-25 20-00 19-61 13 63 20-40 17-85 20-15 16-88 19-84 20-83 20-45 16-93 1S-06 8-30 1-61 •71 3-28 3-52 2-12 5-81 2-32 3-31 2-07 4-44 6-11 20-53 20-60 20-41 20-10 21-45 20-36 15-83 21-56 19-01 19-99 18-88 21-77 19-20 3-61 22-29 5-86 22-95 Breadth of M . 1. 4-72 5-60 20-12 20-37 Max. 30-90 27-34 25-00 26-15 27-05 26-81 26-66 28-88 26-25 28-88 27-96 35-10 28-88 26-74 27-93 Min. 22-05 24-40 22-29 23-30 24-00 23-68 22-38 25-71 21-42 22-30 19-74 24-5 2413 25-00 23-38 D. Av. 8-85 2-94 2-71 3-12 3-05 3-13 4-28 3-17 4-83 6-58 8-22 11-50 4-75 1-74 26-32 26-01 24-04 24-95 25-35 25-09 2469 26-62 23-83 24-33 23-95 27-24 26-78 26-71 26-02 30-33 25-08 4-55; 26-38 5-25: 26-54 The most noteworthy fact learnt from these tables is that the averages of the different breeds in each column, and especially in those relating to some of the teeth, differ very little from one another; in other words, that, speaking generally, the teeth in one dog are relatively to the skull very similar iu size to those of any other. It will also be noticed from the last two tables that the range of variation in any breed is much greater, in almost every case, than that existing between any two breeds. The extreme variations in any breed are probably due to the fact that, strictly speaking, so few animals of the same group are really in any sense of the same breed. The various members of a carefully selected strain of Terriers, for example, bred by one breeder might be comparable with one another, and yet quite different in descent from another and perhaps equally good strain belonging to another breeder and to another part of the country. With dogs bred for show purposes, as so many of the pure strains are, and with constantly varying requirements of fashion, all sorts of crosses as any manual on dog-breeding will show, have been tried with a view of attaining the ideal, whether of symmetry, pace, or carriage. That such crosses should, at times at least, leave their marks |
