76 NATHAN BANKS. 



and a half its length in front of the larger anal openijig: coxal plate with three 

 short lines each side. Legs moderate, hairy, a curved plate behind the tirst 

 femora. 



Many specimens swept from low herbage in ^lay at Pine Island 

 near Bayville, N. Y. Also one from Norfolk, Va., collected by 

 Capt. Thos. L. Casey. Related to 0. bidentaia and 0. obesa, bnt 

 separated by the thick setse, shape of wings, and un.spotted abdomen. 



Oribatella ininuta. uov. sp. — Length .3 mm. Pale reddish brown, legs 

 paler, a pale spot at base of abdomen ; sette, bristles and hairs white. Body quite 

 high, globose; tectal plate short and broad, divided into four spine-like processes 

 in front, the median pair quite close together and smaller (but not shorter) than 

 the outer ones; between the inner and outer spine on each side arises a very 

 stout anterior bristle, about as thick as the median xirocesses of the tectal plate 

 and plainly longer; superior bristles as large as anterior pair, projecting forward ; 

 on each side of the tip of cephalothorax is a stout curved bristle, which, on its 

 outer side, bears a row short hail's ; setje not very short, clavate. Abdomen finely 

 punctulate. Wings large, deep, somewhat pointed and incurved at tip: above on 

 the abdomen there are about twenty fine curved hairs, about as long as the setse ; 

 venter granulate, genital opening more than its length in front of the slightly 

 larger anal opening; coxal plate transversely divided. Legs short, finely haired, 

 those on outside of the patellie and tibiae are much thicker than the others. 



One specimen, under hemlock bark, Sea Cliff, N. Y,, March. 



Belba floridsiiia nov. sp. — Length .6 mm. Yellowish brown, a median 

 dark mark on the base of the abdomen ; cephalothorax triangular ; two pairs of 

 anterior bristles; superior bristles erect, fully twice as long as the short clavate 

 setfe. Abdomen elliptical, convex, smooth, with about eighteen bristles above; 

 venter smooth, genital opening about once and on^-half its length in front of the 

 larger anal opening; coxae as in B. minuta. 



Punta Gorda, Fla. (Mrs. A. T. Slosson). Closely related to B. 

 minuta, but larger, and the short setie not half so long as the bristles 

 of abdomen. 



Ereina'iis iiiar$;iiialis nov. sp. — Length .4 mm. Dark brown ; cepha- 

 lothorax triangular, rounded in front, with two short curved hairs at tip, with 

 numerous ridges above and the outline of a trapezium in the center, a plate-like 

 projection behind coxae i, a spine-like projection behind coxae ii ; setae verj' short, 

 strongly capitate. Abdomen depressed, about once and a half as long as broad, 

 elliptical, with a broad membranous margin, which is strongly striated ; above 

 with many irregular intersecting ridges; below granulate, the genital opening 

 about two-thirds its length in front of the larger anal opening; coxal plate trans- 

 versely divided. Legs very short, femora thickened, with only a few short hairs; 

 on the penultimate joint of the anterior i)air there is a projection bearing a longer 

 hair at tip ; from the side a few very short stitl" hairs can be seen on the dorsum. 



Numerous specimens found clustered under lichens on the bark 

 of apple trees in March, at Sea Cliff, N. Y. Some young specimens 

 are i)ale, with a transversely striated abdomen, and a row of several 

 spatulate hairs at the tip. 



