100 MAN. 



Tliey Imve no incisors :uk1 sonietinios no dontal organs. 

 They conipreliend the sloth, ant-eater, armadillo, etc. 

 10. Roden'tia. — Those animals which gnaw. Their poste- 

 rior are generally larger than their anterior parts, and 

 hence they rather leap than walk. The brain is of an 

 inferior type ; the eyes are lateral. Some of them use their 

 feet to convey their food to the mouth. They comprehend 

 the rat, squirrel, rabbit, etc. 

 Class 2. The Inip/accntalui, or those having no placenta or 

 vascular chorion, are divided into, 



1 . Marsupia'lia. — -The pouched, which have the abdominal 

 integument folded inwards, forming a depression contain- 

 ing the manimte, or a pouch for the temporary shelter of 

 their young. The foetus is not attached to the uterus ; it 

 is prematurely born, in the great kangaroo after a gesta- 

 tion of only thirty-eight days, at the end of which period 

 it does not exceed an inch in length. It is then received 

 into the pouch, where, adhering to the nipple, it remains 

 for many months. 



2. Monotrem'ata. — Those having but one outlet for the 

 excremental and generative products. They are ovo-vivip- 

 arous; that is, extrude the living fuetus, more or less ex- 

 tricated from the egg coverings which had been developed 

 within the body of the parent. They include only two 

 genera, both found in Australia, the Ornithorhynchus and 

 the Schidna. 



MAN. 



Anatomy. — See Anatomy. 



Anthropog'raphy (Gr. anthrOpos, man, and (/raphe, a descrip- 

 tion). — That branch oi physical geograpliijvih\(i\\ treats of 

 the actual distribution of the human race, as distinguished 

 by physical character, language, institutions, and customs ; 

 in distinction from ethnohgi/, which treats historically of 

 the origin and filiation of races and nations. 



Anthropol'ogy (Gr. aitthrupos, man, and- logos, a discourse). 

 — The science of man, considered physically, intellectually, 

 and morally, or in his entire nature. 



Anthropos'copy (Gr. aitfhrupos, a man, and skopco, I view). — 

 The art of discovering or judging of a man's character, 

 passions, and inclinations from the lineaments of his 

 body. 



