GLOSSARY 317 



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

 skin or tongue. 



Parasite: 93. 



Parthenogenesis: 35. 



Pelagic : inhabiting the surface of mid-ocean. 160. 



Pharynx: 42. 



FhysibTogy: 39. 



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



Plu'teus: 59. 



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

 eral females : 35. 



Pblymor'phism : 24. 



Polyp: 21. 



Post-embryonic : 49 



Praeco cial (pre-co'-shal) : 79. 



Predatory: feeding on other animals. 



Propolis: 84. 



Protective resemblance: 107. 



Protoplasm: 2. 



PrSventric'ulus : 42. 



Pseu'dopod : 4. 



Psy'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. 

 Ruminant: 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. 



