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532
PROCEEDINGS OF THE NATIONAL MUSEUM.
VOL. XXXI.
G. Size slightly smaller; greatest length of skull about 58 mm.; mastoid and audital bullæ smooth, rounded, and rather inflated. Malay Peninsula, and lowlands of Sumatra.malaianus.
G′. Size slightly larger; greatest length of skull about 61 mm.; mastoid and audital bullæ irregularly grooved, not inflated. 1,500–3,000 feet in Sumatra.hilleri.

NYCTICEBUS COUCANG (Boddaert.)

1783. Tardigradus coucang Boddaert, Elenchus animalium, p.67 (Fide Stone and Rehn).

1812. Nyciticebus bengalensis E. Geoffroy, Ann. du Mus., XIX, p. 164.

Distribution.—The type locality is given by Stone and Rehn as Bengal. It probably ranges throughout Burma and eastern Bengal.[1]

Diagnostic characters.—Size large, greatest length of skull about 63 mm.; temporal ridges forming a sagittal crest in old age; upper incisors usually two on each side; face markings indistinct; face, neck, and forearms not conspicuously gray.

Color.—General color of upper parts of the single specimen at hand similar to Ridgway’s buff, becoming dirty grayish about the head, neck, and underparts. Four face lines present but indistinct; dorsal stripe extending whole length of back, narrow. 5 to 10 mm. wide, generally similar to Ridgway’s cinnamon.

Skull and teeth.—Skull large, temporal ridges meeting in age to form a sagittal crest. Upper incisors usually two on each side.

Measurements.—See table, page 537.

Specimens examined.—A mounted skin, Cat. No. 14290, U. S. N. M., and its skull, Cat. No. 21179, U. S. N. M., received by the U. S. National Museum in the flesh from Central Park, New York City, in April, 1884.

Remarks.—While no locality is known for the above specimen, yet it seems to agree in size and color with the specimens referred to by Blanford[2] as the large northern variety. It is distinctly different from Edwards’s[3] plate of cinereus, and from any other specimens in the National Museum. It is generally lighter in color than Audebert’s[4] plate.

NYCTICEBUS CINEREUS Milne-Edwards.

1867. Nycticebus cinereus Milne-Edwards, Nouv. Archiv. du Mus., Bull., III, p. 11, pl. III.

Distribution.—Vicinity of Bangkok should probably be regarded as the type locality. Its range is given by Edwards as Siam and Cochin China.

Diagnostic characters.—Similar to Nycticebus coucang, but head, neck, and forearms clearg ray and face markings obsolete.

  1. ↑ Blanford, Fauna British India, Mammalia, 1888, p. 46; and Anderson, Zool. Results Two Expeditions Western Yunnan, 1879, p. 101.
  2. ↑ Blanford, Fauna British India, Mammalia, 1888, p. 46.
  3. ↑ Milne-Edwards, Nouv. Archiv. Mus., Bull., III, pl. III.
  4. ↑ Audebert, Hist. Nat. des Singes et des Makis, 1800, pl. I.
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