. Bulletin - United States National Museum. Science. THE SPIDER CEABS OF AMERICA 183. Fin. 70.—MiMULVs , male COTYPE, CARAPACE 28 MM. LONG, DORSAL VIEW. (After Stimpson) Description.—Carapace flattened and marked with several undula- tions; lateral expansions a little reflexed, margin behind incision nearly twice the length of that before; antero-lateral and postero- lateral angles wide, the latter somewhat produced; median region tumid, bearing two small, obsolescent, gastric tubercles, in front of which there ma}" be two convergent rows of curved setae; another tubercle on each
. Bulletin - United States National Museum. Science. THE SPIDER CEABS OF AMERICA 183. Fin. 70.—MiMULVs , male COTYPE, CARAPACE 28 MM. LONG, DORSAL VIEW. (After Stimpson) Description.—Carapace flattened and marked with several undula- tions; lateral expansions a little reflexed, margin behind incision nearly twice the length of that before; antero-lateral and postero- lateral angles wide, the latter somewhat produced; median region tumid, bearing two small, obsolescent, gastric tubercles, in front of which there ma}" be two convergent rows of curved setae; another tubercle on each branchial region, a little above the middle of the postero-lateral margin. Intestinal region produced backward in a large smooth protuberance. Rostral horns short, flattened, with convex outer margins and spiniform, incurved tips; median notch narrowly triangular and setose; on upper side of rostrum there are two double rows of curved setae. Preocidar tooth large, triangu- lar, acute; postocular small and point- ing obliquely downward, separated by a fissure from the preocuiar. Chelipeds of male large; inner mar- gin of carpus lamellate; hand oblong, fingers bent down- ward and curved inward, somewhat gaping near base, distally dentate, a large tooth on the dactjdus in the gape. The propodites of the am- bulatory legs have each a tuft of setae below. Color.—A dull purplish, tan or red; legs banded. Variable. A male (22874) had a deep red carapace, with a narrower lighter border on the limb, and in the center a broad white V; hands red above, shad- ing to white below; legs crossed by broad bands of red and white. Measurements.—Female (23925), length of cara- pace to tip of rostral horns 29, width mm. Male (22874), length , width mm. Range.—Unalaska to Monterey Bay, California; Mazatlan, Mexico (A. Milne Edwards). Low tide to 20 fathoms. Matenal examined.— Off Imagnee Pinnacle, Captains Bay, Unalaska, LUTrs(22874),MAxa- Alaska; 8 to 20 fathoms
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
