SIRENIDZ : SIREN, PSEUDOBRANCHUS. 69 
Sirene Camper, Schrift. Berlin. N. F. vii. 482.; Cuvier in Humb. 
Obs. Zool. i. 28. t. 11. 14. f.1.9., R.A. 11. 120.; Shaw, Zool. 
iii. 601.; Schneider, Amph. i. 48.; Daud. Rept. vii. 272.; Mer- 
rem, Tent. 188.; Harlan, Med. and Phys. Res. 88.; Fitz. S. R. 35. ; 
Holbrook, N. A. Herp. t. 34. 
Osteot.t. 4. f. 17. Cuv. Humb. Obs. Zool. 1. 98.3; i. t. 14. f. 9. 
Oss. Fos. v. t. 27. f. 1—6. 
a. In spirits. N. America. Presented by Dr. Garden. 
2. SIREN INTERMEDIA. 
Dusky bluish black. Gills three-lobed, reticulated and fringed 
below. 
Siren intermedia Leconte, Ann. Lyc. N. Y. 53.1828; Harlan, Med. 
and Phys. Res. 89.; Wagler, Syst. 318.; Holbrook, N. A. Herp. 
v. 107. t. 35.; Cuvier, R. A. 1. 121. 
Siren lacertina (half-grown) Schlegel, Faun. Japon. 
a. In spirits. Texas. Mr. Ward’s Collection. 
2. PSEUDOBRANCHUS. 
Head suboval, flattened. Muzzle rather pointed. Eyes rather 
large. — Fingers three. — Gill three-lobed, fimbriated on the 
_ edges, the front lobe very small. Spiracle one on each side. 
’ Pseudobranchus Gray, Ann. Phil. 1825, 216.; Fitz. N. Class. 48. 
1826, S. R. 35. 
Parvibranchus Hogg, Ann. N. H. 1839, 6. note. 
Siren sp. Leconte, Ann. N. Y. Lye. i. 52. 1824; Tschudi Batr. 98. 
Sirenoide Schlegel, Faun. Japon. 121. 
1. PsrEuDOBRANCHUS STRIATUS. 
Body dusky, with a broad brown stripe on each side, and another 
rather paler on each side of the belly. 
Siren sp. Mitchell in Cuv. Oss. Fos. v. 419. (1822.) 
Siren striata Leconte, Ann. Lyc, N. York, i. 54. t. 4. 1824, ii. 183. ; 
Harlan, Med. and Phys. Res. 88.; Wagler, N.S. 310.; Tschudt, 
Batr. 98.; Cuvier, R. A. ii. 121.; Baird, 1. ¢. 291. 
Pseudobranchus striatus Gray, Ann. Phil. 1825.; Fitz. S. R. 35. 
Siren lacertina jun. Schlegel, Faun. Japon. 121. 
Hab. N. America. Mus. Le Conte. 
