GLOSSARY. 



37 



Orthopterous. Belonging to the Orthop- 

 tera, an order of insects with elytra and 

 longitudinally folded wings. 



Oryctography. That part of Natural 

 History in which fossils are de- 

 scribed. 



Oryctology. That part of physics which 

 treats of fossils. 



Osseous. Bony. 



Ossification. Change from a soft ani- 

 mal substance into bone, or into a sub- 

 stance as hard as bone. 



Ossivorous. Feeding on bones. 



Osteological. Pertaining to a description 

 of the bones. 



Ostracite. An oyster-shell in its fossil 

 state ; or a stone formed in the shell, 

 the latter being dissolved. 



Oval. Having the longitudinal diameter 

 twice the length of the transverse, and 

 the ends circumscribed by equal seg- 

 ments of a circle. 



Ovaliform. Having the longitudinal sec- 

 tion oval, and the transverse circular. 



Ovarious. Consisting of eggs ; as ovari- 

 ous food. 



Ovary ; Ovarium. That part of a female 

 animal in which the eggs are formed 

 or lodged ; or the part in which the 

 foetus is supposed to be formed. 



Ovate. Shaped like the longitudinal sec- 

 tion of an egg. 



Ovate-oblong. Oblong in the shape of an 

 egg, or with the end lengthened. 



Ovate-subulate. Having something of the 

 form of an egg and an awl, but most 

 tending to the latter. 



Ovicular. Pertaining to an egg. 



Oviduct. A passage for the egg from the 

 ovary. 



Oviform. Egg-shaped ; having the form 

 or figure of an egg. 



Ovigerous. A term applied to the parts 

 containing or supporting eggs. 



Ovine. Pertaining to sheep. 



Oviparous. That mode of generation 

 which takes place by the exclusion of 

 the germ from the body, in the form 

 of an egg, and which is hatched after 

 such exclusion. 



Oviposition. The act of excluding eggs 

 from the abdomen, as an insect. 



Ovipositor. The organ in insects, which 

 is often large and complicated, for the 



transmission of the eggs, during ex- 

 clusion, to their appropriate place. 

 Ovoid. Approaching to the shape of an 



egg- 



Ovoviparous. A term denoting that the 

 eggs are hatched within the body of 

 the animal, and that the young are ex- 

 cluded alive. The marsupial animals 

 are examples of ovoviparous mammif- 

 erous quadrupeds ; and the viper, rat- 

 tlesnake, and lizard among reptiles. 



P. 



Pabular; Fabulous. Affording food or 

 aliment. 



Pachydermatous. Having a thick skin ; 

 an epithet applied to an order of ani- 

 mals, called Pachydermata, embracing 

 all the hoofed quadrupeds which do 

 not ruminate. 



Palceontographical. Pertaining to the de- 

 scription and illustration of fossil or- 

 ganic remains. 



Paleontology. The history of ancient ex- 

 tinct organized beings. 



Palceozoic. A term to denote those rocks 

 which contain the fossil remains of the 

 earliest inhabitants of the globe. They 

 are divided by geologists into the Cum- 

 brian, Silurian, and Devonian systems. 



Palatal. Pertaining to the palate. 



Palate. The roof or upper part of the 

 mouth. 



Palatiform. When the tongue of an in- 

 sect forms the inner surface of the la- 

 bium, but is not separate from it. 



Paleous. Resembling chaff. 



Palleal. Pertaining to the mantle of the 

 Mollusca. 



Palleal Impression. The mark or groove 

 formed m a bivalve shell by the mus- 

 cular attachment of the mantle, which, 

 being always found near the margin of 

 the shell, is sometimes termed the mar- 

 ginal impression. 



Palmated. Entirely webbed ; as the pal- 

 mated feet of certain aquatic birds. 



Palmiped. Relating to the Palmipedes, 

 an order of birds having the toes con- 

 nected by a web or membrane, and 

 thus the feet fitted for swimming. 



Palpi. The organs of touch developed 

 from the maxilla and labium of insects. 



