8 U.S. NATIONAL MUSEUM BULLETIN 2 88 



b 2 Body very depressed and flattened; a few short tentacle-like skin structures 

 near mouth and on throat, and larger flap-like appendages on tip of snout 

 and at angle of jaw; size to 200 mm P. pipa 



Pipa parva Ruthven and Gaige 



Plate 1a-c 



1923. Pipa parva Ruthven and Gaige, p. 1 (type locality, Sabana de Mendoza, 

 Venezuela).— Noble, 1925b, pp. 1, 2.— A. Lutz, 1927, pp. 38, 41, 54, 56, 

 pi. 8, fig. 1.— Barbour and Loveridge, 1929, p. 320.— Mello-Leitao, 1937, 

 p. 277.— Dunn, 1948, p. 8.— Nic&oro Maria, 1958, p. 14, fig. 9.— Gin^s, 

 1959, p. 104.— Rivero, 1961, p. 18.— Gorham, 1963, p. 15. 



1937. Protopipa parva. — Miranda-Ribeiro, 1937b, p. 26. — Carvalho, 1939b, p. 

 394, figs. 6b, c. 



Description. — USNM 147122, an adult female from Astillero, Norte 

 de Santander, Colombia. Snout long, rounded when viewed from 

 above, greatly depressed in profile and rounded at the tip, the upper 

 jaw extending far beyond the lower. Nostrils slit-like, terminal, 

 slightly projecting. Canthus rostralis not distinguishable from loreal 

 region, which gradually descends to upper lip. Eye very small, pro- 

 jecting, its diameter about one-third its distance from tip of snout; 

 interorbital diameter about 1% times the snout length; upper eyelid 

 not developed; interval between nostrils about 2% times the snout 

 length. Tympanum not visible. Fingers long, tapering, each with a 

 4-pointed "star" at the tip, slightly webbed, nearly equal in length, 

 the second slightly longer than the third, their order from shortest to 

 longest being 4, 1, 3, 2; no thumb pad, palmar callus, or metacarpal 

 tubercles present. Toes long and slender, fully webbed, with pointed 

 tips, their order of length being 1, 2, 5, 4, 3; no inner or outer meta- 

 tarsal tubercles; no tarsal ridge; no skinfold on heel, a slight one at 

 knee. Body very stout, in postaxillary region more than 1% times the 

 greatest width of head. When hind leg is adpressed, heel reaches 

 anterior insertion of shoulder; when limbs are laid along the sides, 

 knee and elbow are widely separated; when hind legs are bent at 

 right angles to body, heels slightly overlap. Skin of upper parts with 

 small, regular tubercles surrounded by minute pustules, the tubercles 

 becoming elongate and tipped with small spines on the limbs; venter 

 minutely granular, with a few transverse glandular lines; chin with- 

 out granules, but with curving glandular ridges; no lateral skinfolds 

 at angle of mouth; a row of glandular ridges from posterior corner of 

 eye to shoulder and along the sides; a heavy glandular lateral fold 

 from behind axilla to groin; no skinfold across the chest; no true 

 ventral disk. Tins female has the skin on the back greatly distended 

 by eggs. 



