62 bulletin: museUxM of comparative zoology. 



EXPLANATION OF PLATE. 



Fig. 1. Pteropus ariel, dorsal view of skull of type, No. 10,565, Museum of Com- 

 parative Zoology, from Male Atoll, Maldive Arcliipelago. Natural 

 size. 



Fig. 2. Pteropus giganteus, dorsal view of skull, No. 5169, from KooUoo Valley, 

 India. Natural size. 



Fig. 3. Pteropus ariel, dorsal view of rostrum of an immature individual. No. 10,566, 

 showing the shape of the nasals. Natural size. 



Fig. 4. Ptei-ojius giganteus, dorsal view of rostrum of an immature individual, 

 No. 5175, from KooUoo Valley, India, to show the elongated nasals. 

 Natural size. 



Fig. 5. Plecotus auritus, thumb of an European specimen. Natural size. 



Fig. 6. Plecotus sacrimontis, timmb of the type, No. 69.32, Museum of Comparative 

 Zoology, from Mt. Fuji, Japan. Natural size. 



Fig. 7. Lonchoj)h)/lla hesperia, anterior view of chin, showing enlarged terminal 

 papillae bordering the labial groove. Zorritos, Peru. Enlarged about 

 five times. 



