N0.461.] NORTH AMERICAN INVERTEBRATES. 313 
34. Distance between eyes of posterior row not much greater than 
diameter of an eye 
35: 
Distance between eyes a jorni row more han two y dinata of an 
eye : : í : Acartauchenius. 
35. Head af hale slevated i ; : Tiso 
Head of male not elevated . i : i t Gongirdium. 
MIMETIDE. 
Clypeus lower than ocular area ; hind legs much shorter than front legs ; 
lip much longer than broa Mimetus. 
Clypeus as high as ocular area; hind legs not noch shorter than front 
legs ; lip but little longer than broad ; i à : . Ero. 

Fic. 13.— Cephalotho- Fic. 14.— Cephalotho- Fic. 15.— Dictynide; face and 
of Cornicularia. rax of Diplocephalus. cephalothorax. 
DICTYNIDE. 
t. Legs vihant nn cribellum usually undivided in middle by a 
ine nS 
Legs with spines ; aie divided a a ine, Tivos very low 2. 
Titan 
2. Maxillz inclined over the lip ; hind legs TS. É ceca. 
Maxille straight; hind legs with spines . . Amaurobius. 
3. With but six eyes; colors pale . . . Neophanes. 
With eight eyes, but A. M. E. are sometimes dee small iu x 
4. Cribellum divided by a line in middle ; a Dictynina. 
Cribellum undivided . ‘ ; ; Sta M 
5. A. M. E. very minute : ; : ; ; : cob 
A. M. E. subequal to others RE t rh LUDUM 
6. A. M. E. higher than A. S. E. . : ; : i Dictyolathys. 
A. M. E. between A. S. E. ma d uL ups Prodalia. 
7. Lip one third shorter than maxille .  .  . >. > Lathys. 
Lip nearly as long as maxille . .  .  .  .  . Dictyna. 
DINOPIDJE. 
We have but one genus, Dinopis, in this country, with one species; a 
long and slender spider, not common throughout the ripe States. 
