INDEX OF AUTHORITIES. 



Agassiz, L., 303, 350 

 Allman, G. J., 29S 

 Anacreon referred to, 435 

 Aristotle, 108, 407 



Backs, 137 



Bai'ver, A. von, 13 



Balbiani, 407, 408, 410, 437 



Balfour, F. M., 404 



Ball, W. P., 363 



Barfurth, 108 



Bastian, H. C, 399, 406 



Beddarcl, F. E., 225 



Benecke, 410 



Beneden, E. Van, 146. 405, 410 



Beneden, P. J. Van, 36 



Bennet, 399 



Bernard, Claude, 140, 288, 399 



Bert, Paul, 16S 



Bibra, Von, 167 



Binet, A., 4, 296 



Bischof, 252 



Blundstone, 115 



Bokorny, T., 11, 12, 14 



Brady, G. S., 55, 56 



Brandt, 81 



Biichner, 455 



Buckton, G. B., 435 



Bunge, G., 227 



Biitschli, 376, 407 



Byron quoted, 360 



Cahours, 10 



Capranica, 271 



earlier, E. W., 126 



Carruthers, W., 426 



Chabrier, 394 



Chandelon, 76 



Cienkowsky, 27, 81 



Claparede, E., 258, 348, 407. 441 



Claus, 298, 300, 359, 444 



Cohn, F., 419 



Cowan, 394 

 Cuonot, L., 141 

 Cunningham, J. T., 284 

 Cuvier, 72, 75, 108, 185, 400 



Dallingee, Rev. W. H., 27, 348, 376, 



377, 399> 405> 4o6, 453> 45^ 

 Dalton, J., 180 

 Darwin, C, 4, 56, 85, 239, 249, 329, 



359. 363, 391, 392. 400, 402, 403, 



436, 443> 444 

 De Bellesme, J., no, 116 

 Delle Chiaje, 130 

 De Negri, G., 211 

 De Quatrefage.s, 320, 354, 414 

 Devaine, 426 

 Devaux, H., 233 

 Dixon, H. H., 391, 392 

 Dohrn, A., 439 



Drysdale, J., 27, 348, 376, 405, 406 

 Dufour, L., 262 

 Duges, 219 



Dujardin, 325, 347, 440 

 Dumas, J. B., 10 

 Duncan, P. M., 350, 351 

 Dunstan, W. R., 261 

 Duthiers, Lacaze-, 45, 283, 431 



Ehrenbeeg, 347, 354 



Eimer, 310, 311, 379- 4io 



Engelmann, T., 172 



Erman, 167 



Ewart, J. C, 312-319, 351, 352, 380, 



383- 3^5 



Faivee, 325 



Favre, 430 



Fisher, 97 



Follows, H., 282, 283 



Fol, M., 206 



Foster, M., 15, 102, 404 



