766 SUBJECT INDEX 



Intelligence, differences in, among dogs, 10 

 vs interest, in dogs, 71 



Instincts, differences in, among dogs. 9-11 



Irish wolfhound, 7, 9, 12 



Jackal, 32 



Jaws, (for inheritance, measurements, etc, see skull) 

 deformed, dental defects in, 229, 232, 233, 234-235 

 differences in, among dogs, 10 

 embryonic origin of, 354-357, 367 



growth of, disharmonies in, 235-237, 236, 349-357, 355, 356, 358, 361, 367-37S 

 369, 371 



period of, 373-376, 375 



mutations affecting, 357 

 independent expression of upper and lower, 235, 367-372 

 mandible of, condyle peculiarity and its inheritance in, 241, 242, 243 



rami divergence and its inheritance in, 241, 244 

 in puppies, 373 



size of, in relation to tooth size, 177-178 

 structural arrangements in, 228-232 



King Charles spaniel, 17, 14! 



Labrador huskie, 9, 10, 39, 70, 208 



Laboratory, adjustment of dog to, 581 

 description of, 531, 532 

 outdoor, reactions in, 552 



Lactation, effect of, on behavior, 661, 662-663, 662 



Legs, (see also achondroplasia) 



characteristics of, in bassethound, 9-16, 45-46, 51, 55, 63, 73, 83, 93, 97, 99. 

 100, 1(15-1(16, 107 



in Boston terrier, 126, 127, 131 



in Brussels griff 135, 136 



in dachshund, 9-10, 45, 127, 12S, 131, 136 



differences in, among dogs, 9-10 



in English bulldog, 9. 91, 93, 96, 97, 99, 100, 104-105, 107 



in German shepherd, 9, 51, 55, 59, 65, 71, 93, K>4, 107, 112 



iu Pekingese. 139 



in puppies, newborn, 95-96 



in Saluki, 71, 73, 83, K>4, 107, 139 

 disproportion of, in dachshund-Brussels griffon hybrids, 334, 340 



