432 Mr. R. Templeton on the Index of Refraction of the Lens. 



Puella 



Simia Inuus 



Marmota alpina 



Hystrix cristata 



Didelphis gigantea 



Ursus Lotor , 



Canis Lupus 



Felis Lynx , 



Equus Caballus ..... 

 Antilope rupricapra 

 Elephas asiaticus .. 



Castor Fiber 



Phoca groenlandica 

 Balsena Mysticetus 

 Falco Chrysaetos .. 



Strix Bubo 



Psittacus Aracanga 

 Struthio Camelus .. 



Anas Cygnus 



Testudo My das 



Crocodilus sclerops 

 Lacerta Monitor .. 



Raja clavata 



Acipenser Sturio .. 

 Gadus Morrhua 

 Squalus Acanthias 



6-3 

 



6-5 

 



6 

 



6-3 

 



1 1 *2 

 



o 57 

 o 9 ' 5 

 o 1 ' 3 



i6 - 4 

 



J 3 

 



14-8 

 



5'3 

 



V s 



o 6 ' 5 



8-5 

 



12-5 

 



56 



io-8 

 



6-4 

 



6'2 







6-2 

 



c 37 



1 7 

 



7 '4 



3i 

 



13*2 

 



S'6 

 36 



8-o 

 3-6 



4 

 25 



37 



9 



4-8 



4 

 25 



7*3 

 6-3 



8-8 

 7-5 



1 2 "2 



6-5 



9 

 51 



10-5 

 6-5 



4 

 2-2 



6-3 

 37 



u-8 

 6-4 



10 

 6-4 



10 

 7-5 



4'5 

 3-6 



I 3'3 



87 



5 



2-4 



2" 3 



4'5 

 2-6 



4-6 

 1-4 



4"4 

 1-4 



3-6 

 1-2 



7'5 

 0-6 



4'9 

 2-5 



57 

 7-3 



4-2 



3 

 73 



3 S 5 

 8-5 



7 

 14-9 



4-8 

 8-3 



8 

 15-5 



IO'2 



18-8 



107 

 20-2 



7'5 

 175 



8-o 

 13-9 



3"5 

 67 



6-o 

 14-6 



9-8 

 18-4 



9 

 14-8 



9-2 

 22-2 



3'4 



9 

 19-6 



4 

 9-3 



2*1 



6-3 



4-0 

 8-9 



3 

 5-4 



4*4 

 10'2 



3-0 

 65 



7"5 

 15-6 



4'9 

 12-2 



10-3 

 21-4 



9 

 18-4 



8 

 127 



7 

 11 



14 

 23-8 



7'5 

 12 



13 

 21 



28 



30 

 39 



167 

 26-4 



29-8 

 25-5 



5-6 

 10-8 



!9 



27 



28-5 

 28-3 



19-6 

 31-3 



25'5 

 38-3 



9-8 

 147 



22 

 39 



13 

 15 



12*0 



15-3 



9 

 14-2 



6-5 



8-8 



io'6 



14-6 



6 



97 



17 

 24-5 



12 

 15-4 



The distances are measured from the apex of the cornea. 



The radii of curvature are in old-faced figures. Thus in the last the retina is 

 15-4 millims. from the front of the cornea, and its radius of curvature 12 millims. 



