GENETIC STRAINS AND STOCKS 

 Table 37 — Continued 



117 



Name or 



Symbol 



Synonym (s) 



Remarks 



HGYA 

 HGYB 



JBY 



JBYA 

 JBYB 

 JFY 



ORY 



VSY 



inbr: F 6 . origin: G. Yerganian from a BUY x VSY hybrid; VSY 

 males for this cross were irradiated with 400—500 r localized testicular 

 X irradiation prior to mating, charac: animals are extremely 

 nervous, diabetes mellitus appears spontaneously, maintained by: Ye. 



inbr: F 6 . origin: G. Yerganian from a VSY x BUY hybrid; male 

 BUY animals for this cross were irradiated with 400-500 r localized 

 testicular X irradiation prior to mating, charac: animals are 

 extremely nervous, diabetes mellitus appears spontaneously, main- 

 tained by: Ye. 



inbr: F 9 . origin: G. Yerganian from a JFY x BUY hybrid. 

 charac: mature body weight large (45-50 g.), past generations 

 (F 6 _ 9 ) manifested 90% incidence of diabetes mellitus, no evidence in 

 current generations, maintained by: Ye. 



inbr:F 3 . origin: G. Yerganian from BUY x JFY hybrids, charac: 

 no information available, maintained by: Ye. 



inbr:F 3 . origin: G. Yerganian from JFY x BUY hybrids, charac: 

 no information available, maintained by: Ye. 



inbr: F 13 . origin: G. Yerganian from BUY strain, charac: 

 female dominance over male evident, males pugnacious toward each 

 other, mature body weight large (45-50 g.), polyuresis or diabetes 

 insipidis still observed, occasional absence of outer ear in both sexes. 

 maintained by: Ye. 



inbr: Fji. origin: G. Yerganian from BUY strain, charac: 

 mature body weight approximately 45 g., medium reproduction 

 mildly susceptible to SE polyoma virus in newborn (tumors of various 

 types appear 7-36 months after inoculation), some diabetes mellitus 

 exhibited in earlier generations, maintained by: Ye. 



inbr: F 13 . origin: G. Yerganian from BUY strain, charac: late 

 sexual maturity, average body weight 33 g., diabetes mellitus in earlier 

 generations (10% at F 8 _ 10 ). maintained by: Ye. 



List of symbols for designating substrains and stocks of hamsters 



A Dr. O. Muhlbock, Antoni van Leewen- 



hoekhuis, Sarphatistraat 108, Amster- 

 dam C, Netherlands. 



Hi Dr. W. H. Hildeman, University of 

 California Medical Center, Los Angeles, 

 California. 



Icrf Imperial Cancer Research Fund, Cen- 

 tral Laboratories, Burtonhale Lane, 

 The Ridgeway, Mill Hill, N. W. 7, 

 England. 



Mg Dr. Hulda Magalhaes, Department of 



Ss 



Wh 



Biology, Bucknell University, Lewis- 

 burg, Pennsylvania. 



Dr. W. K. Silvers, The Wistar Institute, 

 Philadelphia 4, Pennsylvania. 

 Dr. Rae Whitney, Bio-Research Con- 

 sultants, Inc., 9 Commercial Avenue, 

 Cambridge 41, Massachusetts. 

 Dr. George Yerganian, Laboratories 

 of Cytogenetics, Harvard University, 

 School of Medicine, Boston, Massa- 

 chusetts. 



V. RABBITS 



A formal listing of genetic stocks of rabbits has not been made before, and conse- 

 quently the information received in this survey is of considerable interest. At least 

 two fairly well inbred strains exist in this country, and several others are well on the 



