36 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Table 1. — List of species in the present study rvith geographical origins and comments 



on maintenance 



Species 



Cricetinae 

 PeTomyscns mnniaihUus 



ealifoTnicus 



eremicus 



crinitus 



Heteromvidae 

 Heteromys lepturus 



anomalus 

 desmarestianus 

 Liomys pictus 



Perognathus caUfornicus 



inornalus 



parvus 

 Microdiopodops pallidus 



Original numbers Origin Number Comments on 



of captive maintenance 



bred 

 Males Females litters 



6 7 Alameda Co., Calif. 



5 6 Alameda Co., Calif. 



2 4 San Diego Co., Calif. 



2 3 San Bernardino Co., 



Calif. 



2 Cintapec in Vera- 



cruz, Mexico 

 2 2 Trinidad, B.W.I. 



2 1 Costa Rica 



3 6 Mazatlan in Sinaloa, 



Mexico 



4 2 Santa Cruz and San 



Benito Cos., Calif. 



1 2 San Benito and San 



Joaquin Cos., Calif. 

 8 4 Oliver, B.C., Canada 



7 4 Mineral and 



Churchill Cos., 



30+ see Eisenberg (1962a, 



1963a) 

 22+ 



see Eisenberg (1963b) 



as anomalus 



7 see Eisenberg (1963b) 



2 as inornatus 



see Eisenberg (1963b) 



