lvon] the hares and their allies 445 



8. Sylz'ilagits (Sylvilagus) paraguensis, No. 121,423, Sapucay, Paraguay. 



9. Sylvilagus (Sylvilagus) arizoncc, No. 58,863, Fort Lowell, Arizona. 



10. Sylvilagus (Sylvilagus) auduboni, No. 60,921, Coast Range mountains, 

 U. S. and ^Mexican boundary line. 



11. Sylvilagus (Microlagus) cincrascens. No. 60,871, Tecate river, U. S. 

 and Mexican boundary line. 



12. Sylvilagus (Microlagus) bachntani. No. 35.131, Nicasio, California. 



13. Sylvilagus (Microlagus) bachmani tibericolor, No. 35,371, type, Beaver- 

 ton, Oregon. 



Plates LXXXVIII, LXXXIX (About five-eighths natural size) 



1. Oryctolagus cuniculus, domestic, Belgian hare. No. 105,402. 



2. Oryctolagus cuniculus, common domestic, No. 62,704. 



3. Oryctolagus cuniculus, common domestic. No. 36,831. 



4. Oryctolagus cuniculus, wild, No. 3,124, England. 



5. Oryctolagus cuniculus, wild, No. 49,645, Germany. 



6. Limnolagus paludicola, No. 64,029, Kissimmee, Florida. 



7. Limnolagus palustris, No. 2,089, Society Hill, South Carolina. 



8. Limnolagus aquaticus, No. 3,779, Warren county, Mississippi. 



9. Limnolagus aquaticus, No. 84,109, Mississippi. 



10. Limnolagus attivatcri, No. 97,031, Richmond, Texas. 



Plate XC (Natural size) 



1. Oclwtona (Ochotona) ladaccnsis. No. 84,063, Ladak, central Asia. 



2. Ochotona (Pika) princcps. No. 66,678, Nelson, British Columbia. 



3. Ochotona (Conothoa) roylci. No. 36,814, Baltistan. 



Plate XCI (Enlarged three times) 

 Lower and Upper Cheek Teeth, right side 



1. Brachylagus idahocnsis. No. 23,104, Goose lake, California. 



2. Ochotona ladaccnsis. No. 84,062, Ladak, central Asia. 



3. Romerolagus nclsoni. No. 57,954, Mt. Popocatepetl, Mexico. 



4. Limnolagus paludicola. No. 64,029, Kissimmee, Florida. 



5. Oryctolagus cuniculus, No. 49,648, England. 



6. Lcpus campcstris, No. 61,367, Madison, Minnesota. 



7. Pentalagus furnessi, No. 5,583 (Wistar Institute), Liu Kiu islands. 



8. Pronolagus crassicaudafus. No. 22,972, South Africa. 



9. Sylvilagus iioridanus, No. 49,588, Florida. 



Plate XCII (Natural size except Figure i, which is enlarged twice) 

 Ventral Views of Cervical Vertebr.e 



1. Ochotona saxatilis. No. 91,188, Cabinet mountains, Idaho. 



2. Romerolagus nclsoni, No. 57,954, Mt. Popocatepetl, Mexico. 



3. Brachylagus idahoensis. No. 93,595- lone .valley, Idaho. 



4. Limnolagus paludicola, No. 49,580, Florida. 



5. Sylvilagus iioridanus. No. 49,58?, Florida. 



6. Oryctolagus cuniculus. No. 49,645, Germany. 



7. Lcpus (Lepus) campcstris. No. 49,623, Kansas. 



8. Lcpus (Pwcilolagus) americanus virginianus, No. 969, New York. 



9. Lcpus (Macrotolagus) texianus. No. 94,198, Newark valley, Nevada. 



10. Pronolagus crassicaudafus. No. 22,972, South Africa. 



