392 THE SOLIDS. 



d. TUBULAR GLANDS. 



Brunner's Glands. Ceruminous Glands. 



Sudoriferous Glands. Kidneys. 

 Axillary Glands. Testes. 



. GANGLIONARY GLANDS. 



Compound. Simple. 



Brain and Cerebellum. Ganglia of Encephalic Nerves. 



Medulla Oblongata and Spinal Ganglia of Sympathetic 

 Cord. Nerves. 



/. ABSORBENT GLANDS. 



Lacteal Glands. Lymphatic Glands. 



g. VASCULAR GLANDS. 



Spleen. Thyroid. 



Supra-renal Capsules. Pituitary Body. 

 Thymus. Pineal Gland. 



h. GERMBEARING GLANDS. 



Ovaries. 



It is doubtful whether the glands admit of any strictly 

 natural and at the same time convenient classification. The 

 more simple glands pass by almost insensible gradations into 

 the more complex, thus leaving but few salient points avail- 

 able for purposes of division. The separation of the multi- 

 locular from the lobular glands is to a great extent arbitrary, 

 and is adopted simply from its convenience. Perhaps the 

 best division which could be proposed of those glands which 

 are provided with excretory ducts or openings, is into follicu- 

 lar and tubular glands. 



It is very probable that one of the organs introduced into 

 the division of lobular glands, viz. the liver, will hereafter 

 have to be removed from that division and placed by itself 

 near to the vascular glands, should some recent researches in 

 reference to the termination of the biliary ducts be confirmed. 



