124 



A GLOSSARY OF TERMS 



keras, a horn. A genus of gas- 

 teropods. (p. 55, Book v). 



PTERODA'CTTLI. Lat. plur. of pte- 

 rodactylus. 



PTERoi)A'cTYLUS.-fr. gr.pteron, wing; 

 daktulos, finger. Name of a fos- 

 sil, (fig. 83, p. 57, Book viii). 



PTERO'MTS. fr. gr. pteron, a wing; 

 wtts, a mouse. The systematic 

 name of the flying-squirrels. 



PTEHO'PHORA. fr. gr. pteron, wing ; 

 hero, I bear. A genus of noc 

 turnal lepidopterous insects. 



PxERo'pHYLLUM.-fr. gt.pteron, wing; 

 phullon, leaf. A genus of fossil 

 plants. 



PTERO'PODA. fr. gr. pteron, a wing; 

 pous, foot. Name of a class of 

 rnollusks. (p. 67, Book v). 



PTKRo'ptrs. fr. gr. pteron, wing; 

 pous, foot. A genus of mammals 

 of the tribe of bats, termed Rous- 

 settes. 



PTERTGO'D A Two small, moveable, 

 epaulet-like bodies, found near the 

 base of the first legs, in lepidop- 

 terous insects. 



PTKR'TOOID. fr. gr. pterux, wing; 

 eidos, resemblance. Name of a 

 bone which is connected to the 

 palate bones. 



PUHK'SCEWCE. fr. lat. pubescent. 



Downy. 



PUB is. The anterior and middle 

 part of the pelvis. 



PU'DICA. Lat. Modest. 



PcDinxe-STONE. Conglomerate. 



PU'LEX. Lat. A flea. 



PUL'LTTLATIXG. Budding. 



PULMOJTA'RIA Lat. Pulmonary. 



PU'LMONAHT. Belonging or relating 

 to the lungs. 



PUL'MOJTATES. Mollusks which 



breathe air. .;.? 



PULMOWE'A Lat. Pulmonary. 



PULP. The soft, juicy, cellular sub- 

 stance found in berries, and simi- 

 lar fruits. 



PrLVEUA'TOH. fr. lat. pulverare, to 

 cover with dust. Applied to 

 those birds that wallow in the 

 dust. 



PULYE'RULENT. Dusty. Appearing 

 as if covered with powder. 



PUL'VINATE. Become cushion- 

 shaped. 



PULVI'NULI. Little cushions. 



PUMICE. Vesicular obsidian. 



PU'MILA. Lat. Dwarfish, little. 



PUNCTA. Lat. plur. of punctum. 

 Points. 



PUNC'TIFOBM. Formed like points. 



PUNC'TATE. ^ fr. Jat. punctum, a 



PUNC'TUATKD. 3 point. Having 

 small hollows like the punctures 

 of a thimble. 



Pu'ifGENT. Applied to leaves which 

 terminate in a sharp point, like 

 the leaves of thistles. 



PU'PA. Lat. A puppet; a baby 

 wrapped up in swaddling bands. 

 The chrysalis or nymph. The se- 

 cond stage of metamorphosis of 

 insects is so called. A genus of 

 snails. 



PU'PX, Lat. plur. of pupa. 



PUPI'PAROUS. fr. lat. pupa, a baby; 

 pario, to produce. Applied to 

 insects which bring forth their 

 young in the pupa state. 



PUPIL. The aperture of the iris, 

 through which the rays of light 

 pass, to paint the image of an ob- 

 ject on the retina. 



PURBECK LIMESTOXE. Strata of the 

 Wealden group which intervene 

 between the greensand and oolite. 



PUR'PUHA Lat. Purple. A genus 

 of the family of buccinoides. (p. 

 53, Book v). 



PUTA'MEW. fr. lat. pitto, to prune. 

 The endocarp. A hard shell. 



PUTO'RIUS. fr. lat. putor, a stink. 

 The systematic name of the pole- 

 cat. 



PYCXODO'ITTIC. fr. gr.puknos, thick ; 

 odous, odontos, a tooth. Thick- 

 toothed ; having short, stout teeth. 



PTGAR'GUS. fr. gr. puge, behind ; 

 argos, white. A bird of prey with 

 a white tail. 



GM^'US. Lat. Small, little, dwart- 

 ish, pigmy. 

 PYLO'KU*. fr. gr. pule, a gate; ouros, 



