AMERICAN NATURAL HISTORY. 



17 



ANATOMY, PHYSIOLOGY, AND EMBRYOLOGY. 



Agassiz (Louis). The classification of insects from embryological 

 data. — Smiths. Contr. to Knowl. n. 1851. (127 



Agassiz (Louis). On the relation between coloration and structure 

 in the higher animals. — Proc. Amer. Assoc. Adv. Sc. iv. 

 1851, 194. (128 



AGASSIZ (Louis). On the growth of the egg, prior to the develop- 

 ment of the embryo. — Proc. Amer. Assoc. Adv. Sc. iv. 

 1851, 18. (129 



Burnett (W. I.). Researches on the origin, development, and 

 nature of the spermatic particles throughout the verte- 

 brata. (Abstract). — Proc. Amer. Assoc. Adv. Sc. iv 

 1851, 22. (130 



Burnett (W. I.). On utricles, as the primordial forms of all 

 animal tissues.— Proc. Amer. Assoc. Adv. Sc. iv. 1851. 

 127. ' (131 



Cabot (Sam.). Notes on the internal anatomy of a female Mina 

 bird {Gracula religiosa). — VxoQ. Bost. Soc. Nat. Hist. iv. 

 1851, 85. (132 



Dana (J. D.). On the analogy between the mode of reproduc- 

 tion in plants, and the alternating generation observed in 

 some radiata. — Proc. Amer. Assoc. Adv. Sc. iv. 1851, 

 177. (133 



GlRARD (Charles). On the organs of vision and the nervous sys- 

 tem in the embryo of Ascidia. — Proc. Bost. Soc. Nat. 

 Hist. iv. 1851, 30. (134 



Goadby (Henry). On the preservation of animal substances. — 

 Amer. Journ. of Sc. xn. 1851, 378. (135 



c 



