No. 461] NORTH AMERICAN INVERTEBRATES. 305 
Posterior eye-row not broader than anterior row; P. S. E. plainly 
larger than P. M. E. ; head narrow . i ; " ‘ . Callilepis. 
W 
—Drassidæ ; face, aree 
rax, zung and spinne 

3. No dorsal groove; posterior eye-row "n recurved ; cephalothorax: 
reddish yellow . Sergiolus. 
Dorsal groove present, posterior were relly recurve E 4- 
4. P. M. E. much nearer to P. S. E. than to each other; taphalodbofax and 
abdomen bivittate . Cesonia. 
. M. E. as near each ober as to ip s. E, or at ileus abdomen not 
bivittate . 
5. Upper ipsun plaisir TE a Pubs die iovis pair ; 
large dark-colored species; tarsi and metatarsi I, II, and III heavily 
scopulate à . Teminius. 
Upper opinna. not TE iuo jaintéd n not longer than lower 
pair n'a, 
6. Posteridt eye-row slightly "owtdi P. M. E. widely ER no spine 
above on base of tibie III and IV . : uh 
Posterior eye-row straight or pocu 
7. Posterior eye-row plainly broader than anterior row; P. S. E. betily; if 
any, larger than P. M. E.; S. E. more than diameter apart 
Poecilochroa. 
Posterior eye-row barely longer than anterior row ; P. S. E. much 
larger than P. M. E.; S. E. not diameter apart ; smaller spiders  Eilica. 
8. Posterior eye-row plainly procurved, P. M. E. oval 
Posterior Iosue little if at all ee and a barely longer 
than anterior row 
9. Posterior Naas longor Mas miid row ; P. M. E. EN ssl 
larger than P. S. E: 5 s Megamyrmecion. 
Posterior row plainly longer than anterior row; P. M. 
widely separate . : * C OH 
10. Two spines soie on ibis Im and Iv Ux Drassodes. 
