﻿June, iSgsl T)ANKS. SpiDKRS OF I.ONC; ISLANl), N. Y. 85 



Microdipoena guttata, sp. nov. 



Length .8 to l mm. Cephalothorax pale yellowish, with a blackish spot in 

 middle and a black margin ; sternum pale, dark on margin ; legs pale, ringed with 

 blackish; abdomen dark gray, paler above spinnerets, witli about twelve small silvery 

 spots above, sides indistinctly mottled, a short silvery stripe on lower side just above 

 spinnerets, on venter two transverse black bands between spinnerets and base of ab- 

 domen. Cephalothorax short and broad, in the $ greatly elevated at head, the cly- 

 peus very concave; mandibles small ; legs of moderate length and not very slender, 

 first pair longest, femur I about as long as cephalothorax. The abdomen is globose, 

 smooth, the spinnerets quite prominent. The $ palpus is large, the tarsus very 

 small, barely noticed, the bulb large, ovoid, and pale-colored ; a dark ring around the 

 middle, and a short curved black tube at tip. 



Six specimens of this tiny little spider were foimd in Jtnie and Oc- 

 tober. Under dead leaves in a dry woods. 



Ulesanis americana Em. — Two specimens, sweeping in an old 

 field. October. 



Ancylorrhanis hirsuta Em. — Two specimens, tmder dead cedar 

 branch on ground. October. 



Idionella formosa Banks. — One specimen in moss. 



Ceratinella emertoni Cambr. — Common, sweeping in fields. August. 



Ceratinella fissiceps Cambr. — Common, sweeping. August, Sep- 

 tember. 



Ceratinella similis Banks. — Ouite common, sweeping. September. 



Ceratinella melanocnemis Eox. — Several specimens, sweeping. 



Ceratinella pygma;a Em. — A few specimens, under dead leaves in 

 woods. 



Ceratinella l^tabilis Cambr. — Two specimens, on ground in woods. 



Ceratinella brunnea Em. — -Two specimens, under dead leaves. 

 May, March. 



Ceratinella micropalpis Em. — A few specimens, sweeping weeds. 



Ceratinella? annulipes Bks. — One specimen, under bark. March. 



Ceratinopsis nigripalpis E/n. — Not uncommon, in cedar trees. 



September, October. 

 Ceratinopsis laticeps Em. (^Erigone zanthippe Keys.) — I have 



two females from Sea Cliff, which are Keyserling's species ; Emer- 

 ton's male is, I believe, this species. 

 Cornicularia brevicornis Em. — Several specimens which I consider 



this species. 



