oiO 



ZOOLOGY, 



[Sect. XI. 



should be preserved in spirit or solutioiij as also the 



of most reptiles are 



As the 



olours 



young animals, 

 much altered by spirit, a coloured sketch should he 

 made, v/hen practicable, of them either during life or 

 immediately after death. 



Tiie batrachia or amphibia should be obtained in the 

 different stages of their metamorphoses. The different 

 species of the burrowing snake-like genus called CwciUa 

 are especially desirable in the young state. The gravid 



oviducts of these and of the viviparous kinds of sala- 

 mandci should be preserved in spirits or the solution 

 No. I., together with the young of the perennibranchiat? 



a 



Vv 



amphibia of the United States, c^Jled menopom.a, am- 

 phiuma, menobranchus, siren. 



Birds. 



A 1 



2 



O 



vll the rarer kinds, especially the smaller specie 

 should be preserved in spirits or the solution No. IL for 

 anatomical examination. Of such as are too large to be 

 preserved entire, the gullet, stcTOach, or gizzard, liver, 



the male organs, should all 



iiitestines, ovary 



oviduct, or 



4-1 



be taken out as lev/ as the anus, and with the cloaca 

 should be preserved in spirit or the solution No. I, The 

 tongue and trachea with the lower larynx should be pre- 

 served wet by themselves ; and if more than two specimens 

 of a ror3 bird are captnred, the head of one should be 



presox^ved in strong spirit 



portion 



being removed to allow the spirit to get to the brain. 



The most common as well as convanient mode of pre- 

 erving birds for zoological purposes is by removing and , 



preparing the dry skin, with the head and feet attached, 



i 



^ 



