APPENDIX 295 



Testis, kidney, and adrenal of an alligator (young). 



Testis of the kitten, longitudinal section, showing epididymis. 



Testis of the rat, cross-section. Stained with iron-heinatoxylin. 



vSeniinal vesicle of the guinea-pig, cross-sections. 



Vas deferens of the dog. 



Vas deferens and rudimentary Miillerian duct of the wood chuck. 



Prostate of the dog, cross-section. 



Penis of a chipmunk and squirrel in different regions. 



Penis of a dog, cross-section of distal third. 

 Endocrine glands: 



Pituitary of the calf, longitudinal section. 



Pituitary of a kitten, longitudinal section. 



Thyroid of frog. 



Thyroid of a turtle. 



Thyroid and ])arathyroid of a dog. 



Adrenal of frog. 



Adrenal of a dog, rabbit, and cat. 



Carotid of a cat. 

 The slifles listed above are grouped into systems; those for the 

 tissues are supplemented by types of tissues represented in the 

 slides listed under various systems. These slides should also 

 be supi)lemented hx study of fresh preparations of living tissues 

 whercN'er practical and also by specially prepared demonstration 

 slides. The majority of the slides enumerated above have been 

 pre])are(l in our own laboratory, but there are several supply houses 

 from which a great Nariety of slides appropriate to this work may 

 be obtained. 



