New West Indian Spiders.

By Nathan Banks.

BULLETIN OF THE
AMERICAN MUSEUM OF NATURAL HISTORY,
Vol. XXXIII, Art. XLI, pp. 639-642.

New York, November 21, 1914.


[Pg 639]

Article XLI.—NEW WEST INDIAN SPIDERS.

By Nathan Banks.

The following new species were found in the course of an examination ofmaterial in the American Museum of Natural History collected by Dr. F.E. Lutz and Mr. Charles W. Leng in Cuba and by Dr. Lutz in Porto Rico.The types are in that institution.

Mecolœsthus signatus n. sp.

Cephalothorax pale, with black median mark, wider at head; sternumreddish or yellowish. Abdomen pale, with a black median stripe, narrowednear middle, not reaching anterior end where there is an oblique stripe,and a basal spot each side, also an apical spot each side, and the basalpleura show an oblique dark stripe. These marks are made up of smallspots, more or less connected. The venter shows a narrow, median blackstripe followed by a round spot, some distance before the spinnerets.Femora reddish, blackish near tip, and a white band at extreme tip;tibiæ dark, with a broad, white band near tip; rest of legs paler. Eyesin two groups, three each side (subequal in size) on a distinctelevation; A. M. E. minute, close together, and as high as upper edge ofA. S. E. Abdomen elongate, cylindrical, spinnerets apical; legs verylong; vulval area corneous, yellow, concave behind, but little swollen.Length; ceph. 1 mm.; abdomen 2.5 mm.; femur I, 12 mm.; femur IV, 10 mm.

From Naguabo, Porto Rico, March. No. 21669, Dept. Inv. Zoölogy.

Callilepsis grisea n. sp.

Cephalothorax reddish brown, clothed with white hair; black ineye-region; mandibles reddish brown; legs yellowish, darker on anteriortarsi and metatarsi, a dark band on middle of tibiæ III and IV and thesemetatarsi rather dark; sternum yellowish brown, darker on sides; abdomengrayish white above and below, above with a median basal blackishstreak, a dark streak on each anterior pleuron and a dark streak eachside toward apex, and two blackish spots above spinnerets, latterbrownish. Cephalothorax narrow; eye-rows short and far apart; P. M. E.slightly oval, about three diameters apart and much closer to the largerP. S. E.; legs moderately long, very hairy or bristly, and with stoutspines especially on femora III and IV; tibiæ I and II with three spinesbeneath, one at base, one at middle, one at tip, metatarsi with basalspine only; metatarsi and tarsi scopulate beneath; hind legs morenumerously spined; sternum once and a half longer than broad, pointedbehind, narrowed in front; abdomen fully twice as long as broad, sidessubparallel. Length 6.8 mm.

From 12-1/2 kilometers south of Pinar del Rio, Cuba, September. No.[Pg 640]21670, Dept. Inv. Zoölogy.

Wulfila pretiosa n. sp.

Pale yellowish. Cephalothorax with a greenish stripe each side, agreenish mark over groove, and two faint lines back from P. M. E.;mandibles with a greenish vertical line in middle. Abdomen with darkgreenish or nearly blackish stripe each side reaching to middle, a spotbehind it, and a large median spot above spinnerets, four small darkdots in mid-dorsum; legs with faint dark spots at bases of many spineson femora and tibiæ. Cephalothorax narrow in front, A. M. E. hardly morethan diameter apart; about as close to the very much larger A. S. E.Posterior eye-row nearly straight, the eyes equal and as large as A. S.E., P. M. E. about two diameters apart, and about as far from P. S. E.Legs long and

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