74 NATHAN BANKS. 



Under stones among salt-grass, between tide-marks at Sea Cliff, 

 N. Y. It is easily separated from T. sericeum by the shorter third 

 joint of palpus, and from T. pacificum by the less pyriform body 

 and the finer hairs. It feeds on the maritime coccid Rlpersia. 



Ottoiiia grauiilosa nov. sp. — Length 2 ram., lep; iv 1.8 mm. Red. pale 

 beiK-ath between cox», a ])ale spot each side above coxa of third leg. venter pale 

 in middle. Legs and palj)! pale, legs i and iv reddish in middle: stout, convex, 

 broadest at shoulders, considerably narrowing to the eyes; cephalothorax short 

 and sloping into the dorsum of abdomen without any definite break ; dorsal 

 gi'oove short, enlarged at end ; eyes sessile, but projecting ; above thickly clothed 

 with two sizes of rounded granules, the smaller the most numerous, a few on 

 venter. Legs and palpi clothed with short clavate scales; last joint of leg i a 

 trifle longer than the preceding joint, that of leg iv about as long as penultimate ; 

 ventral openings clothed with short fine hair: palpi short, stout, third joint about 

 as long as broad, two claws at tip of fourth joint, the inner one the smaller ; 

 there are three equal spines along the outer side, the thumb is longer than claws, 

 cylindrical and blunt-tipped, clothed with fine hair. 



Four specimens, Punta Gorda, Fla. (Mrs. A. T. Slosson). 



Ottonia troiiibidiodes uov. sp. — Length 2 mm., leg iv 1.6 mm. Eed 



above, pale beneath, the pale extending up on sides near the middle, legs and 

 palpi pale ; stout, the sides nearly parallel or slightly tapering, more slender than 

 0. granulosa ; cephalothorax small, separated from dorsum of abdomen by a dis- 

 tinct break ; a tryusverse impression near the middle of body and several smaller 

 ones in front ; at the tip above is an impressed triangular plate, similar to 0. 

 locioxtanim. Legs shoit. but not very stout, last joint of leg i plainly longer than 

 penultimate, last joint of iv as long as penultimate. Body clothed with appressed 

 narrow scales, finer on venter; legs and palpi with still narrower scales, almost 

 hairs: palpi stout, third joint as broad as long; two claws at the tip of fourth 

 joint, the inner the smaller, on outer edge three stout, ecjual spines; tluinib cy- 

 lindrical, blunt-tipped, with fine hairs. 



Two specimens, Punta Gorda, Fla. (Mr.s. A. T. Slosson). 



Rliyncolopliiis fl4>ri<laiiii!ii nov. sp. —Length 2 mm., leg iv 2 mm. 

 Al)ove black, with a jiale (red in life) median spot in front; a large oblique spot 

 each side, uniting just beliind tlie dorsal groove, then continuing as a median 

 stripe toward the apex, which it does not reacli ; a larger median spot at apex ; 

 leg i blackish, except apical joints; legs ii and iii jiale. indistinctly ringed with 

 black at the tips of the joints: leg iv blackish in middle; venter pale. Body 

 slender, three times as long as broad, slightly constricted at thirJ legs; dorsal 

 groove reaching to near middle, enlarged at each end ; last joint of leg i a little 

 shorter than the preceding joint, last joint of leg iv al)()ut two-thirds as long as 

 the preceding joint. 



One specimen, Punta (jiorda, Fla. (Mrs. A. T. Slosson). 



Sinarijii aii»<>f raliM nov. sp. — Length 1.1 mm. Pale yellowish; body ob- 

 long, witli a rounded snout in front, which bears above six eyes in the usual ar- 

 rangement. Body covered with a network of fine hairs, at the intersections arise 

 very short curved stiff bristles; above two rows of five small depressions. Legs 



