72 ARACI1MDKS OF THE 



Remarkable by the prominent spine of the second 

 pair of feet. 



3. G. *musculus. Body pale, oval, with scattered 

 hairs more numerous each side ; feet paler, with a 

 few hairs above, two anterior pairs distant from the 

 others, anterior pair longest, second pair rather more 

 robust. , ' 



An active little animal, found in great numbers on 

 an anonymous species of Mus, which inhabits East 

 Florida. 



4. G. *nidularins. Body oblong-oval, somewhat 

 depressed, with a slightly elevated argin, and with 

 scattered hairs, whitish with internal blackish clouds, 

 and two impressed points in the middle of the back $ 

 feet paler with a few hairs. 



Cabinet of the Academy. 

 Less than one-fortieth of an inch. 

 Inhabits Hirundo viridis their nests and young. 

 I am indebted for specimens to Mr. Reynall Coates. 



5. G. *Juloides. Body oval, pale brownish, de- 

 pressed, behind vesicular and whitish, the coria- 

 ceous epidermis of the tergum terminating before the 

 vesicular posterior margin in an emargination ; feet 

 short and very robust ; jmlvilli dilated, very short. 



Cabinet of the Academy. 



I obtained several specimens from the body of 

 Julus marginaius. I have also observed it on Poly- 

 desmus Virginiensis. 



