65 



Fam. I. Peuiculidea. 



All the animals of this family inhabit the bodies of mam- 

 miferous animals. Latreille and all other authors have 

 considered them as constituting one genus, which I have 

 divided into — 



Gen. I. Phthirus. 

 Phthirus. Leach. 



Sp, 1. Phth'n^us mguinalis. 

 Ph. corpore albido, abdomine segmentis lateraliter promi- 



nulis. 

 Pediculus inguinalis. Redi Exper. t. 19^ 

 Pediculus pubis auctorum. 



Phthirus inguinalis. Leach Edinb. Encycl. 9- 77. 

 Pediculus ferus. Olfers 83. 



Habitat in hominis pube, grandebulis, villis, superciliis, ci- 

 liis, mustacibusque, cuti adhaerens. 



This animal is commonly named crab-louse^ or morpion. 



Gen. II. HiEMATOPINUS. 



H.TiMATOPiNUS. Leach. 



Sp. 1 . HcEmatopinus Siiis. 

 Tab. 146. 



H. capite antennis thorace pedibusque subfulvescentibus 

 fusco-variis, abdomine cinereo-albido : segmentis latera- 

 liter prominulis nigris; ultimo maculis duabus uigris, 

 pectore albido. 



VOL. iir. K 



