. Bulletin - United States National Museum. Science. 306 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. Color.—Specimens in alcohol have a greenish-blue carapace mot- tled with purple; upper proximal half of chelae reddish-brown; upper surface of legs covered with a pattern of fine dots of dark pur- ple on a light ground. Measurements.—Holotype male, length of carapace , width be- tween outer angles of orbits , width at postero-lateral angles mm. Material examined.—Eight males and eight females were taken at the type-locality. SESABMA (HOLOMETOPUS) BIOLLEYI Rathbun. Plate 87, figs. 2
. Bulletin - United States National Museum. Science. 306 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. Color.—Specimens in alcohol have a greenish-blue carapace mot- tled with purple; upper proximal half of chelae reddish-brown; upper surface of legs covered with a pattern of fine dots of dark pur- ple on a light ground. Measurements.—Holotype male, length of carapace , width be- tween outer angles of orbits , width at postero-lateral angles mm. Material examined.—Eight males and eight females were taken at the type-locality. SESABMA (HOLOMETOPUS) BIOLLEYI Rathbun. Plate 87, figs. 2 and 3. Sesarma (Hulometopus) hiolleyi Rathbun, Proc. Biol. Soc. Washington, vol. 19, 1906, p. 100 (type-locality, Salinas de Caldera, Boca del Jesus Maria, Costa Rica; holotype male, Cat. No. 32490, ). Diagnosis.—Narrowed anteriorly. Front half width of carapace. Merus of third leg three times as long as wide. Description.—Carapace a little broader than long and broader behind than before, very uneven, densely granulate anteriorly, punctate and wrinkled posteriorly. Front one-half width of carapace, vertical, widen- ing below, lower edge projecting, convex in front view, slightly sinuous in dorsal view; superior lobes more transverse and more sharply marked than in the preceding species. Upper margin of orbit sinuous, very oblique, outer tooth acuminate. Chelipeds rugose, the rugae becoming sin- Pio. 150.—Sesarma (Hoi-- , , , , , xi t i. i i li? s oMETOPus) BIOLLEYI, AB- gl© tubcrclcs or granuies on the distal halt ol DOMEN OF MALE HOLo- ^j^g palui', the kttcr much inflated, inner face TYPE, X 3J. • 1 1 i- a sparinglj^ granulous, a transverse row oi gran- ules near the distal end. Prehensile teeth of fingers fewer and stronger than in S. miersii. Inner laminar expansion of arm rather deeply cut into jagged teeth. Legs long and narrow, third pair two and one-half times as long as carapace, its merus three times as long as wide. Measurements.—Male holoty
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