1902.] XATUEAL SCIEJfCES OP PflrLADELPHIA. 571 



prefeent; forehead below the firsl row of eyes yellowth, or black 

 with two or three yellow .'pot-. Sternum black. Abdomen above 

 blackish, patterned as in the i ; sides blackLah; venter as in 

 th^ ? , Legs as in the ? , except that the femora of the fir5?t pair 

 are blackish proximally on the anterior edge. Palpi black on all 

 the joints. 



Compariaowi — A distinctly variable form, particularly in the 

 coloration of the abdomen and in the form of the epigj-num, two 

 tvpes of which 1 have tigure*^!. Females with the abdominal mark- 

 ings obscure are often difficult lo distinguish from females of 

 L. minima, though the males of the two are rea'iily separated. It 

 is the most abundant local specie- of the family. 

 22. Pardosa minima 'Keye.). (PI. XXX, fig?. i5, 36.) 

 Lyrot.a (r:[i.[iu-i Kevserling, 1876. 

 Vard 7 Emert'on. 1&S5. 



Lyt- : vserlin?. Marx, 1889. 



Pard ■ ^ / Emert'on, Marx, 18»<9. 



PardoiU alhopatMa Emerton, Stone, 1890. 

 Pardoga albopaUUa Emerton. Banks, 1892. 

 Pardoia minima Keys., Bank.?, 1891. 



(A few specimens from Philadelphia and Luzerne coimty, Pa. ) 



JS'^e*. — First row shorter than the .second, its lateral eyes slightly 

 higher. Eyes of second row largest, more than H times their 

 diameter apart. Third row a little broader than the .second, its 

 eyes farther from each other than from the second row. Dorsal 

 eye area one-<{uarter the length of the cephalothorax. 



Form. — Cephalothorax flattened above, highest at third pair of 

 eyes, in front not quite one-half its greatest transverse diameter, 

 sides of head steep. Chelicera weak, little longer than the head 

 is high in front. Sternum longer than broad. L^ slender with 

 rather long spines and few hairs. 



Dimensions. — Length of cephalothorax, -f, 2.3 mm.; 2, 

 2.4 mm. 



Length of abdomen, cf, 2.3 mm.; 2, 2.5 mm. 



Length of firsl leg, cf', 7 mm. ; 2, 7 .5 mm. 



Length of second 1^, rf, 6.5 mm. : 2 , 6.6 mm. 



Length of third l^, cf, 6.5 mm. ; 2, 6.7 mm. 



Length of fourth 1^, c?, 10 mm. ; 2, 10.5 mm. 



Color in Alcohol, d'-f . — Cephalothorax black, a rather narrow, 

 pale median stripe arising behind the posterior eyes, broadest in 

 front of and narrowed behind the rae<Iian groove : a submarginal 



