122 GENETIC STOCKS AND BREEDING .METHODS 



Table 40— Continued 



Name or 

 Symbol 



Synonym(s) 



Remarks 



Silver 



Spinner 



Spotting Dominant 

 spot 



THF 



(Sound- 

 induced) 

 Convul- 

 sive* 



Whiteside 

 Wide Band 



Waltzing Waltzer 



Yellow 



origin: Wild population, Oregon, genet: si. charac: linkage 

 group I, very similar to dilute, equally variable in expression, main- 

 tained by: Bar, Mc. 



origin: Wild population of P. polionotus rhoodsi, Florida, now trans- 

 ferred to P. maniculatus background, genet: sp. charac: whirling 

 behavior and early deafness, whirling expression variable but almost 

 always detectable, maintained by: Bar, Mc. 



origin: Wild population, Illinois, genet: S. charac: high variable 

 amount of white spotting on head, belly and distal portion of tail, 

 homozygotes variable, probably not distinguishable from hetero- 

 zygotes, some reduction in penetrance, maintained by: Bar, Mc. 

 No information submitted on origin, genetics, and characteristics. 

 maintained by: Bar. 



origin: No information submitted, genet: wh. charac: No in- 

 formation submitted, maintained by: Bar. 



origin: Wild population, Nebraska, of P. maniculatus nebrassensis, gene 

 frequency probably high in the Sand Hills region, genet: Nb. 

 charac: linkage group V, longer agouti band and somewhat shorter 

 sepia tip on hair, maintained by: Bar, Mc. 



origin: Wild population of P. maniculatus hairdi, Iowa, genet: v. 

 charac : linkage group V, similar to Spinner, but deafness not occurring 

 or appearing late in life, maintained by: Bar, Mc. 



origin: Wild population of P. maniculatus gambeli, California, genet: 

 y. charac: linkage group II, longer agouti band, sepia tip of hair 

 much shortened or occasionally absent, white tip of ventral hair 

 lengthened, nonagouti hairs usually absent, monatricks usually with 

 agouti band, maintained by: Bar, Mc. 



* Tentative designations; not yet described in publications. 



Table 41 

 Other stocks of Peromyscus sp. of possible genetic interest 



Name or 

 Symbol 



Synonym (s) 



Remarks 



BW/RX 



BW/RA 

 PO 



origin : Wild population of Peromyscus maniculatus hairdi, from Washte- 

 naw County, Michigan, charac: no known mutant genes, wild-type 

 stock, all mutant stocks have been crossed into this stock at least twice, 

 maintained by avoiding full and half sib matings. maintained 

 by: Mc. 



inbr: F 3 . origin: W. Mcintosh from BW/RX, continuing attempts 

 to inbreed b x s have not produced progeny beyond F 5 , current 

 attempt now at F 3 . charac: wild type, maintained by: Mc. 

 origin : Wild population of Peromyscus polionotus from Ocala, Florida. 

 charac: no known mutant genes although an unidentified whirling 

 trait appears occasionally, small size, will cross reciprocally with 

 Peromyscus maniculatus producing fertile hybrids, maintained by: Mc. 



