517 



ArrENDIX c. 



A SHORT GLOSSARY OF ZOOLOGICAL TERMS. 



Accplialous. 



Acc-tabula. 



Acrodont. 



Actinula. 



Agamic. 

 Alternation of 

 generations. 



Aniphiccclous. 

 Analogy. 



Anchylosis. 

 Autennaj. 



Anus. 



Astragalus. 



Atavism. 



Atlas. 

 Axis. 

 Biology. 

 BranchiK. 



Bronchi. 

 Byssus. 



Cfficum. 



Cainozoic. 



C'alcancutn. 



Carapace. 



Ceratocle. 



CercariiE. 



Cere. 



Cerebellum. 



Having no head. 



Tlic suckers on the arms of CepJialopods. 



Teeth are so called when attached by their base to the edge of the 

 jaw. 



The polypoid embryo into which the eggs of some ITydroida aro 

 developed. 



Non-sexual reproduction, as hudding, or Jismring. 



"Where an animal produces a progeny not resembling itself, but 

 which resemblance returns in two, three, or four genera- 

 tions. So that two, three, or four lives go to form a species, 

 each intermediate form being the result of development, as 

 distinguished from reproduction . 



Vertclira; are so called, when concave at both ends. 



Similarity of function without correspondence of parts. For ex- 

 ample, the functions of the stomach of an animal are in part 

 analogous to those of the roots of a plant. 



The union of two or more bones. 



Jointed organs of sensation, before or between the eyes of the 

 Arthropoda. 



The external termination of the intestines. 



A tarsal bone articulating with the tihia. 



Reversion, or the appearance in an individual of a character 

 derived not from the parents, but from a remote ancestor. 



The first vertebra of the neck. 



The next vertebra to the Atlas. 



The science of living beings, animal or vegetable. 



Organs analogous to the lungs of mammals, wherein the blood is 

 oxygenized. 



The branches of the windpipe. 



The filaments by which some molluscs secure themselves to fixed 

 objects. 



A blind sac opening into the duodenum. 



The Tertiary period of geology. 



The heel bone or os calcis. 



The dorsal shield of Crustacea and Chclonia. 



The horny sul)stancc of sponges. 



The tadpole-like larvre of Trcmatode worms. 



The naked skin at the base of the bill of some birds. 



The posterior portion of the brain. 



