62 CATALOGUE OF AMPHIBIA. 
Fau. I. LEPIDOSIRENID. 
Synopsis of Genera. 
1. Leprpostren. Ribs fifty-five pair. 
2. Proroprerus. Ribs thirty-six pair. 
1. LEPIDOSIREN. 
Ribs 55 : 55.—Body elongate.—Limbs anterior, simple. 
Lepidosiren Fitzinger ; Wiegmann, Arch. 1837, 232.; Natterer, 
Annal. Wiener Mus. 1837, i. 165.; Owen, Linn. Trans. xviii. 
327.; Bischoff, Mém. Anat. 1840, Ann. Sci. Nat. 1840, 159. 
Ann. N. Hist. vi. 466., vil. 362. ; Pitz. S. R. 34.; Schlegel, Faun. 
_ Japon. 121. 
Amphibichthys Hogg, Ann. and Mag. N. H. 1841, 362. 
1. LEPIDOSIREN PARADOXA. Caramuru. 
Lepidosiren paradoxa Fitz. Ann. Wiener Mus. 1837, ii. 165. t. 
Bischoff, Mém. Anat., Ann. Sci. Nat. 1840. 
OstEoL. Ann. Sci. Nat. 1840, t. 
Hab. Brazils. Mus. Vienna. 
2. PROTOPTERUS. 
Ribs 36 : 36.—Body short, tapering. — Limbs anterior, simple. 
Lepidosiren sp. Owen, Linn. Trans. xviii. 327., Odont. t. 59.t.; 
Milne- Edwards, Ann. Sci. Nat. 1840, 371., Ann. and Mag. N. H., 
1841, 466. 497.; Hogg, Ann. and Mag. N. H. vii. 1841; Jones, 
Outlines of Anim. K.538.; Jardine, Ann. and Mag. N. H. 1841, 
vil. 21.; Melville, Rept. Brit. Assoc. 1847; Miiller, Ann. and 
Mag. N. H.,1845, 348. , 
| Protopterus Owen, Cat. Col. Surg. MS., Linn. Trans. xviii. 332. 
Protomelus Hogg, Ann. and Mag. N. H. vii. 359. note, 1841. 
Rhinocryptis Peters ; Miller, Obers. Berl. Acad]1844, and Ann. and 
N. H: 1845, 348. 
1. PROTOPTERUS ANNECTENS. Saget hin ed 
Lepidosiren annectens Owen, Linn. Trans. xviii. 322.; Jardine, — 
Ann. and Mag. N. H. 1841, vu. 21. fig. p.24, 25.; Melville, — 
Rept. Brit. Assoc. 1847. _ | ee: Me 
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