DETERMINATION OF AGE IN BATS. 257 



2. Januari/ and Fehruanj individuals. 



'2 specimens ( j ad.), Sii'si, N. Kauara, 11th Januaiy, 1000. 19 

 specimens ( 4 cJ ad., 15 $ ad.), Potoli, south-east of Supa, N. Ka- 

 uara, 1 8th and 19th January, 1912. 3 specimens (1 5 ad., 2 $ ad.), 

 Dandeli, 15 miles east of Supa, N. Kauara, 21st Jamiary, 1912. 



2 specimens ( c? ad.), Barchi, 10 miles east of Siipa, N. Kauara, 

 28th January, 1912. 1 specimen ( cj ad.), Yellapur, N. Kauara, 

 20th Februar)-, 1900. The single February specimen is marked 

 with an asterisk. Total number, 27, 



Stage I-L (about 9 mouths old). — 11 individuals. B.M. 0-4-1-G 

 G.C.S. 519, 520, 522, 529, 54-1, 546, 547, 556, 557, 564. 



Stage II -1- (about If years old). — 12 individuals, B.M. 0-4-1- 

 7 and *0-4'l-8. G.C.S. 523, 524, 525, 526, 528, 540, 542, 

 544, 548, 563. 



Stage III + (about 2f years old) —3 individuals. G.C.S. 527, 

 543, 545. 



Stage IV + (about 3f years old).— 1 individual. G.C.S. 558. 



Stage V + (about 4f years old). — None. 



A2yi'il and May individuals. 



1 specimens (all adult males), Sirsi, N. Kauara, 8th to 12th 

 April, 1912. 3 specimens (Id ad., 2 $ ad.), Nerur, Savant- 

 vadi, 17th April, 1911. 21 specimens (15 c? ad., 6 $ ad.). 

 Hulekal, near Sirsi, N. Kauara, 18th to 26tli April, 1912. 1 

 specimen (sex uncertain), Asgani, Konkan, 3rd May, 1911. 2 

 specimens ( j ad.), Gersappa, N. Kauara, 19th and 23rd May, 

 1912. The May specimens are marked with an asterisk. Total 

 number 37. 



Stage 1+ (about 1 year old).— 21 individuals. B.M. 11-7-18- 



3 and 4. G.C.S. 853, 898, 956, 957, 958, 959, 960, 962, 964, 

 965, 966, 967, 987, 988, 989, 1009, 1012, *1158. B.M. *ll-7- 

 18-1. 



Stage II -I- (about 2 years old).— 12 individuals. G.C.S. 847, 

 895, 896, 897, 899, 900, 910, 990, 994, 996, 1011,*1120. 



Stage III + (about 3 years old). —4 individuals, B.M. 11-7-18- 

 2. G.C.S. 889, 961, 1010. 



Stage IV 4- and V + ( 4 and 5 years old). None. 



The total number of individuals in stage I or between I and II 

 is, therefore, 42 (40-4 per cent.) ; in stage II or between II and III, 

 36 (34-6 per cent.) ; in stage III or between III and IV, 14 (13-5 

 per cent.); in stage IV, or between IV and V, 7 (6-7 per cent.) ; in 

 stage V, 5 (4*8 per cent.). If this series taken as a whole, gives 

 anything like the normal proportion of individuals found in nature 

 at the different stages of age, it will be seen that individuals up to 

 13 



