399 
Br. Leach’s Arrangement of the Crustacea, 4'^. 
Spec. 6. Ixodes Pari. 
lx. scuto elongato-subhexagono fusco : disco subferrugineo-fusco, 
rostro ferrugineo-fusco, vagind fusc^, pedibus fuscis articulis 
dilutioribus et albidis. 
Habitat in Paro niajore. Tempore autumnali, vernali. 
Rostrum ferrugineo-fuscum. Vagina fusca. Clypeus utrinque 
obscurissimfe subexcavatus. Scutum elongato-subhexagonum an- 
tic^j angustius, disco pallidiore. Pedes fusci, articulis pallidis et 
albidis ; tibiae articulis extimis ad apicem subferrugineis ; tarsi 
albidi, articulis obscurfe subfuscis. 
The A cams mentioned by Montagu in his Paper on Bats 
(Trans. Linn. Soc. vol. ix.) belongs to this genus. 
Stirps 2. 
nostrum et palpi absconditi. 
Cen. 8. URoroDA, Latr. 
Pam. V. Cheyletides. 
Os rostro instructum. Ocidi distincti. 
This tribe still requires to be examined ; it contains the genera 
9. Cheyletus, 10. Smaris, 11. Bdella, and 12. Sarcoptes of Latreille. 
Pedes natatorii. 
SECTIO II. 
Pam. I. Eyeaides. 
Os mandibulis instructum. 
Gen. 13. Eylais, Latr. 
Pam. II. Hydraciinides. 
Os mandibulis nullis. 
Gen. 14. 
