GLOSSARY 317 



Papilla (pi. papillae) : a small nipple-like process, as the papillae of the 

 skin or tongue. 



Parasite: 93. 



Parthenogenesis: 35. 



Pelag'ic : inhabiting the surface of mid-ocean. 160. 



Phar'ynx: 42. 



PhysibTogy: 39. 



FlSt'yrrhine : broad-nosed ; said of the New- World monkeys. 



Plu'teus: 59. 



Polyg'amous : said of animals in which a single male mates with sev- 

 eral females : 35. 



Pblymor phism : 24. 



FbTyp: 21. 



Post-embryonic: 49 



PrsecScial (pre-co'-shal) : 79. 



Pred atory : feeding on other animals. 



Pr5polis: 84. 



Protective resemblance: 107. 



Protoplasm: 2. 



Pr5ventric'ulus : 42. 



Pseu'dopod: 4. 



Fsy'chic: 140. 



Pupa: 57. 



Reason: 139. 



Recognition mark : 77, 115. 

 Rec'tum: 42. 

 Reflex action : 127. 

 Reproduction: 67. 

 Respiration: 4. 

 Retic'ulum: 42. 

 Retina: 123. 

 Ru'men : 42. 

 Ru'minant : 42. 



Saliva: 42. 



Sensation: 67. 



Sensorium: 126. 



Silica : the mineral of which quartz, sand, flint, etc., are composed. 



Spawn, v. : to lay eggs. 



Specialization: 41. 



Species : 151. 



