4 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Vol. 82 



The average measurements as compared with those of the females 

 of the other species recently reported from Philippine amphibian hosts 

 are as follows: 



Measurement 



O. punctaium 



Total average length 



Width at vulva 



Length of pharynx 



Length of esophagus- 



Esophageal bulb 



Distance from nerve ring to lips 



Distance from excretory pore to lips 



Distance from \Hilva to lips 



Distance from anus to tip of tail 



Eggs 



Larvae in utero --- 



3.6 mm 



0.24 mm 



0.045 mm... 

 0.3 mm 



105m by 115m 

 0.175 mm.... 



0.28 mm 



1.6 mm 



0.45 mm 



62m by 105m - 

 17m by 420m-. 



3.8 mm. 

 0.23 mm. 

 0.03 mm. 

 0.205 mm. 

 65m by 85m. 

 0.15 mm. 

 0.28 mm. 

 1.8 mm. 

 0.23 mm. 

 56m by 76m. 

 Present. 



The name pundatum is given because of the characteristic cuticular 

 bosses of the anterior end of the worm. 



Type specimens. — U.S.N.M. Helm. Coll. (Bureau of Animal In- 

 dustry) No. 25874. From Rana vittigera, intestine. Collected by 

 B. Schwartz, 1921-22, Los Banos, Philippine Islands. 



RECORDS OF NEMATODES PARASITIC IN AMPHIBIA 



The followiug list gives the already known species in the collection 

 and indicates their host distribution, many of which are new records: 



1. Agamascaris odontocephala Steiner, 1924. From Rana cates- 

 beiana, Virginia, U.S.N.M. Helm. Coll. No. 1569; Rana catesbeiana, 

 Washington, D. C, U.S.N.M. Helm. Coll. No. 7864; Rana clamitans, 

 Washington, D. C, U.S.N.M. Helm. Coll. No. 2298; Rana clamitans 

 and R. sylvatica, Baltimore, Md., U.S.N.M. Helm. Coll. No. 2864; 

 "frogs," Washmgton, D. C, U.S.N.M. Helm. CoU. No. 2865. The 

 other reported host is Hyla cinerea, United States. 



2. ZanclophoriLS cryptobranchi Walton, 1930. From "Crypto- 

 branchus," Philadelphia, Pa., U.S.N.M. Helm. Coll. No. 15700. The 

 only known host is Cryptobranchus alleganiensis , United States. 



3. Aplectana americana Walton, 1929. From Scaphiopus couchii, 

 Texas, U.S.N.M. Helm. Coll. No. 27895. The other reported hosts 

 are Rana catesbeiana, R. palustris, and R. pipiens, all from the United 

 States. 



4. Oxysomatium ranae Walton, 1931. From ''frogs," Los Baiios, 

 Philippine Islands. The only identified host is Rana magna (?), 

 Luzon, Philippine Islands. 



5. Rhabdias ranae Walton, 1929. From "frogs," Washington, 

 D. C, U.S.N.M. Helm. Coll. No. 26828. Other known hosts are 

 Acris gryllus, Rana halecina, R. palustris, R. pipiens, and R. spheno- 

 cephala, all from the United States. 



