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The Museum Gazette 



CaYicorn, having hollow horns, as in cattle, sheep, &c. 

 Of Latin derivation from cornu, a horn, and cavus, hollow. 



Pecora, cattle, from Latin pecus. In zoology the term 

 pecora is applied to the true ruminants, an exceedingly well- 

 defined group of mammalia. In this sense antelopes, goats, 

 deer and sheep are pecora, or cattle, as well as cows, but not 

 camels or horses. 



Ceryidse, a family of pecora or ruminants, which com- 

 prises the deer and all antler-bearing animals. From Latin 

 cevvus, a stag. 



Ornithorhynchus, or bird-nosed, is the name of an 

 Australian animal which has a snout like the bill of a duck, 

 webbed feet, no teeth when adult, and which lays eggs. It 

 is also known as the Duck-billed Platypus, or for brevity 

 "the Duck-bill." 



Platypus means broad-footed, and is especially applied to 

 the Ornithorhynchus, which has not only webs between its 

 digits, but has its digits widely apart, and on its front feet at 

 least a web, which extends much in advance of the ends of 

 its claws. 



Digits are " fingers " in the broadest sense of the word, 

 including toes, and all other modifications of the five terminal 

 divisions of the limbs. They are never more than five, and 

 often less (by suppression). 



Digitate, divided, after the manner of fingers or toes. 



Suppression. — Whenever a structure or part of an organ 

 which has been present in a progenitor is left out or greatly 

 dwarfed in subsequent generations, it is said to have been 

 suppressed. Examples of suppression abound both in plants 

 and animals, and usually result either from long-continued 

 disuse or the competition of some other structure yet more 

 important. 



(To be continued.) 



