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PERLIDAE 



Perlidae (per'-li-de) 

 Pernettya* (per-ne'-ti-a) 

 Perognathus (pe-rog'-na-thus) 

 Permian (per-mi'-an) 

 Peromya (per-6-ml'-a) 

 Peromyscus (per-6-mis'-kus) 



«*n*t 



Perognathus. The Spiny Pocket Mouse <Gr. pera, pouch+ gnathos, jaw 

 Pronounced: pe-rog'-na-thus, not per-o-gna-thus. 



Peronospora* (per-6-nos'-po-ra) 



peropodous (pe-rop'-o-dus) 



perpinguis (per-pin'-gu-is) very rich. 



Perrisonetta (per-is-o-net'-a) 



Persea* (per-se'-a) 



persicifolius (per-si-ki-fol'-i-us, per-si-ki-fo'-li-us) 

 with leaves like the peach. 



personus (per'-son-us) ringing, resounding. 



pertinax (per'-ti-naks) tenacious, obstinate, per- 

 sistent. 



pertusus (per-tii'-sus) perforated. 



perulate (per'-u-lat) 



pes (pez, pi. pe'-dez) 



pessulus (pes'-u-lus) 



Petalostemon* (pet-al-os-te'-mon) 



