CONTENTS Vn 



Figure 10. Brain case high {M. volans; from left to right the specimens are: 

 type of species, type of M. " capitaneus " and type of M. volans 

 longicrus) . 



11. Brain case low (M. subuhttus Say, not Harrison Allen and recent 



authors). 



12. Myotis lucifugus for comparison with M. keerm, fig. 13. 



13. Myotis keenii {=M. suMlattis H. Allen and recent authors, not Say) 



for comparison with M. lucifugus, fig. 12. (No. 22922 type of 

 species, No. 38633 lectotype of M. keenii septentrionalis) . 



14. Myotis calif ornicus for comparison with M. subulatus (Say, not H. 



Allen and recent authors). 



15. Myotis subulatus (Say) for comparison with M. calif ornicus, fig. 14 



and M. lucifugus, fig. 12 (No. 86444 type of " Vespertilid oiliola- 

 brum," No. 18684 type of M. subulatus melanorhinus, No. 150275 

 type of M. " winnemana " ) . 



Text figxirb (p. S) 

 [All figures greatly enlarged, not to scale] 



FiGUBE 1. Upper molars of Myotis and Pizonyx: a^ m^ of Myotis lucifugus; 

 b, m' of Myotis myotis; c, m" of Myotis lucifugus; d, tn' of Pizonyx 

 vivesi; e, in' of Myotis thysanodes. 



MAPS 



Map 1. (p. 38). Distribution of Myotis lucifugus. 



1. M. lucifugus lucifugus. 



2. M. lucifugus alascensis. 



3. M. lucifugus carissvttia. 



4. M. lucifugus phasma. 



5. M. lucifugus fortidens. 



2. (p. 62). Distribution of Myotis yumanensia. 



1. M. yumanensis yumanensis. 



2. M. yumanensis sociabilis. 



3. M. yumanensis saturatus. 



4. M. yumanensis lutosus. 



3. (p. 81). Distribution of Myotis grisescens. 



4. (p. 87). Distribution of Myotis velifer. 



1. M. velifer velifer. 



2. M. velifer incautus. 



3. M. velifer peninsularis. 



5. (p. 98). Distribution of Myotis occultus. 



6. (p. 102). Distribution of Myotis keenii. 



1. M. keenii keenii. 



2. M. keenii septentrionalis. 



7. (p. 112). Distribution of Myotis evoiis. 



1. M. evotis evotis. 



2. M. evotis chrysonotus. 



8. (p. 122). Distribution of Myotis thysanodes. 



1. M. thysanodes thysanodes. 



2. M. thysanodes aztecus. 



9. (p. 131). Distribution of Myotis sodaMs. 



