646 GLOSSARY. 



Psbu-do-h^'mal (Gr. pseudes, false ; and haima, blood). Applied to tho 

 vascular system of ^anrfWa. 



P^u'do-heakts. Certain contractile cavities connected witli the atrial sys- 

 tem of Brachiopoda, and long considered to be hearts. 



PsEu-Do-NAV-i-OEL'LiB {Gr. pseudes, false ; andiVaj)»cw^a, a genus of Diatoms). 

 The embryonic forms of the Gregarinidas, so called from their resemblance 

 in shape to the Navimla. 



PsBn-Do-po'ra-A (Gr. pseudes ; and pons, foot). The extensions of the body- 

 substanee which are put forth by the Bhizopoda at will, and which serve 

 for locomotion and prehension. • 



PsEu-Do'vi {Gr. meudes ; (Lat. ovum, egg). The egg-like bodies from which 

 the young of the viviparous Aplds are produced. 



Ptee-op'o-da (Gr. pteron, wing ; and pous, foot). A class of the MoUusea 

 which swim by means of fins attached near the head. 



Ptee-o-sau'ei-a (Gr. pteron, wing ; saura, lizard). An extinct order of Ecp- 

 tiles. 



Pu'bis (Lat. pubes, hair). The share-bone ; one of the bones which enter 

 into the composition of the pelvic arch of Vertebrates. 



Pui-MO-GAS-TEE-op'o-DA (= Pulmonifera). 



Pcl-mo-na'ei-a. a division of Arac/mida which breathe by means of pulmo- 

 nary sacs. 



Pul'mo-na-rt, 



Pul'mo-nate. Possessing lungs. 



Pin/-Mo-inp'E-HA (Lat. pvlmo, a lung: imd/ero, I carry). The division of 

 Mollmsca which breathe by means of a pulmonary chamber. 



Pu'pA (Lat. for a doll). The stage of an msect immediately preceding its ap- 

 pearance in a perfect condition. In the pupa-stage it is usually quiescent — 

 when it is often called a " chiysalis ; " but it is sometimes active — when it 

 is often called a " nymph." 



PY-Lo'Errs (Gr. puloros, a gatekeeper). The valvular aperture between flie 

 stomach and the intestines. 



Yy-h.' i-^osm {JjsA. pirum or pyrum, a pear; and /oymo, form). Pear-shaped. 



Qtiad-eu-ma'ka (Lat. quatuor, four • manus, hand). The order of Mammals 



comprising the Apes, Monkeys, Baboons, Lemurs, etc. 

 Qdad-bu-ma noos. 



Ea-di-a'ta (Lat. radius, a ray). Formerly applied to a large number of ani- 

 mals which are now placed in separate sub-Mngdoms («. g., the Cailenierata, 

 the Echinodermata, the Infusoria, etc.). 



Ea-di-o-la'ei-a (Lat. radius, a ray). A division of Protozoa. 



Ea'di-us (Lat. for a spoke or ray). The innermost of the two bones of the fore- 

 arm of the higher v ertebrates. It carries the thumb, when present, and 

 oon-esponds with the tibia of the hind-limb. 



Ea'mcs (Lat. for a branch). Applied to each half or branch of the lower jaw 

 or mandible of Vertebrates. 



Eap-to'res (Lat. rapio, I plunder). The order of the bu-ds of Prey. 



Eap-to'ei-al. 



Ea-so'ees (Lat. rado, I scratch). The order of the Scratching Birds (Fowls, 

 Pigeons, etc.). 



Ea-ti't/e (Lat. raUs, a raft). Applied by Huxley to the Cursorial Birds, which 

 do not fly, and have therefore a raft-hke sternum without any median keel. 



Eec TDM (Lat. rectus, straight)! The terminal portion of the intestinal canal, 

 opening at the surface of thtbody at the anus. 



Eep-til'i-a (Lat. repo, I crawl). The clai 

 Tortoises^ Snakes, Lizards, Crocodiles, etc. 



The class of the Vertebrata comprising the 

 icodiles, etc. 



I net). Employed by Dr. Carpenter to desTg- 

 le Foraminifera, in which the psoudopodia 

 I network. 

 Ee-tio'u-l™ (Lat. for a net). The second division of the complex stomach 

 of Euminants, often called the " honey-ooinb bag." 



Ee-tic-u-la ei-a (Lat. raiculvm, a ne^. Employed by Dr. Carpenter to desig- 

 nate those Protozoa, such as the Foraminifera, in which the psoudopo(Sa 

 run into one another and form a network. 



