764 SUBJECT INDEX 



French bulldog, general characteristics of, 14-15, 41, 134, 259, 261 

 jaw growth in, 357 

 skull of, general characteristics in, 259, 261, 265 



indices and measurements in, 208, 215-217, 216, 267, 268, 270, 271 

 thyroid of, 425, 428 



French bulldog-dachshund hybrids, (see dachshund-French bulldog hybrids) 



Generalization, (see conditioned reflexes) 



Genes, allelic association of, influence on one another in, 64-66, 65 

 controlling achondroplasia, determining location of, 142-143 

 dominance of, as affected by breed constitution, 108-123 

 expression of, in homozygous and heterozygous state, 50-54, 64-69, 87-88, 



89, 98-101, 107, 116-118, 117, 121, 133, 145-146 

 mutations of, and evolution, 24-28 

 nature of, in breeds with similar growth distortions, 140-145 



Genetic constitution and endocrines, interrelations of, contributions to problems 



of, 3-5 



role of, in structural expression, 3-6, 11-12, 17-19, 24, 26-27, 37, 45-46, 224- 

 225, 296-297, 332-335, 360-361, 399-400, 475-476 



Genetics, (see also various characters concerned) 

 of bulldog screwtail, 388-396, 390 

 of dog, studies on, 7-8 

 of leg achondroplasia, (see achondroplasia) 



German boxer, 7 



German shepherd, behavior of, 540, 548, 553556, 555 



in conditioned avoiding situation, 577, 578-590 



and endocrine glands, 633 

 bodily index of, 601, 602 

 general characteristics of, 9-10, 40-42, 41, 48, 51, 59, 61, 65, 93, 290 



in relation to ancestral dog type, 40-42 

 leg characteristics of, 9, 51, 55, 59, 65, 71, 93, 104, 107, 112 

 skeleton of, 55 

 skull of, general characteristics in, 153, 273-274, 275, 290, 302 



indices and measurements in, 155, 208, 210-211, 212, 213, 217-220, 219, 221 

 thyroid of, 426, 430-432, 431, 433 



German shepherd-bassethound hybrids, (see bassethound-German shepherd 

 hybrids) 



German shepherd-English bulldog hybrids, (see English bulldog-German shep- 

 herd hybrids) 



Gigantism, in man and dog, 1213 



tendency toward, in bassethound-English bulldog hybrids, 118-119, 321, 322- 



325, 323, 324 

 in bassethound-Saluki hybrid, 81 



