32 PROCEEDINGS OF THE ACADEMY OF [1892. 



Ceratinella bulbosa Em. Plate V, fig. 59, 59a. 



The female is about the same size as the male, it has no hard 

 spot on dorsum ; the abdomen in most of my specimens is dark 

 gray, much darker than in C. fissiceps. 



Not uncommon. Round Marshes, Fall Creek near Varna ; upper 

 part of Six Mile Creek ; Oct. March, Apr. 



Ceratinella pygmea Em. Plate II, tig. 57. 



The female is about the same size and color as the male with a 

 hard spot on dorsum. 



One male and one female, Fall Creek and Buttermilk Creek, 

 Oct., Nov. 



Ceratinella atriceps Cambr. 



Rare, Fall Creek, Inlet Marsh. Feb., March. 



Ceratinella nioesta, no v. sji. Plate IT, fig. o>^. Plate X, fig. 58. 



Total length S To mm. 



Length of cephalothorax 'Tmm. breadth "oSram. 



Length of abdomen "Smm. breadth -6 mm. 



Cephalothorax very dark and brown ; legs orange, a little 

 brownish towards the tips, sternum red-brow'u; hard spot on dorsum 

 dark orange ; rest of dorsum dark gray ; venter still darker ; head 

 very high ; hard spot on dorsum, not very large, elliptical, distinct; 

 spinnerets dark. 



One specimen. South Hill beyond Buttermilk Creek, Nov. 



Ceratinella laetabilis Cambr. 



Rare, Cascadilla Creek, Fall Creek near Varna, Febr. March. 

 Ceratinella brunnea Em. 



Uncommon, Cascadilla Creek, Fall Creek, Aug., Feb., March. 

 Ceratinella micropalpis Em. 



Rare, Six Mile Creek, Nov. 

 Ceratinella placida, nov. sp. Plate II, figs. 54, 54a. 



Total length $ l-25mm. 



Length of cephalothorax 'OSmm. breadth •45mm. 



Length of abdomen '8 mm. breadth •? mm. 



Cephalothorax light greenish-brown; legs nearly white; palpi 

 greenish ; sternum greenish-gray; spinnerets and a spot in front of 

 them white ; hard spots on dorsum indistinct, a little tinge of 

 orange ; the basal one yellowish ; abdomen dark gray with a greenish 

 tinge ; head of male slightly elevated, not humped, but somewhat pro- 



