1892.] NATURAL SCIENCES OF PHILADELPHIA. 39 



Tmeticus flaveolus, nov. s^p. Plate IV, fig. 15. 



Length S l'2mm. 



Cephalothorax bright brownish-yellow, with a black seam ; eyes 

 Avith black rings ; legs yellowish, paler than cephalothorax, first 

 pair darkest, fourth pair lightest ; sternum blackish-yellow ; abdo- 

 men pale greenish-gray ; cephalothorax low ; widest behind the 

 middle ; palpal organ reddish ; tibia enlarged and with several 

 short projections, not so much . as in T. mcesUis ; palpal organ 

 smaller than in that species; a large tooth in front on mandibles; a 

 female, perhaps of this species a little smaller. 



One male and one female, South Hill, Oct. ; Fall Creek, Feb. 



Tmeticus luxuosus, nov. sp. Plate IV, fig. 16. 



Length ^ 2-2mm. 



Cephalothorax a uniform orange ; no dark edge ; mandibles 

 similar but blackish at tips ; black around eyes ; legs pale yellowish ; 

 sternum light orange ; abdomen light gray ; no tooth on front of 

 mandibles ; cephalothorax broad in front, widest at dorsal groove; 

 abdomen narrow ; palpal organ small ; tibia swollen at tip, with 

 several projections. 



One specimen. Fall Creek, Aug. 



Tmeticus rusticus, nor. sp. Plate II, fig. 17. 



Length $ l*5mm. 



Cephalothorax brownish-yellow; legs somewhat orange, except 

 patella which is yellow ; sternum blackish-yellow brown ; no teeth 

 on front of mandibles; abdomen black; head a little higher than 

 usual ; palpal organ large, dark red-brown, very complicated. 



One specimen, Buttermilk Creek, March. 



Tmeticus pallidus Em. 



Two specimens, Six Mile Creek, Dec. 



Tmeticus humilis, nov. sp. Plate IV, fig. 18. 



Length S l'6mm. 



Cephalothorax yellow-brown, with a black margin ; eyes on 

 black ; mandibles yellow-brown, no tooth in front ; abdomen nearly 

 black ; legs yellow brown but paler than cephalothorax, the first 

 pair darkest ; sternum black ; spinnerets yellowish ; cephalothorax 

 widest at dorsal groove, narrow'er behind. 



One specimen. Inlet Marsh, Nov. 



