34t) ACTPENSERrD.T5. 



deei^cr thau lone; (this would be a species of Acipcnser accord- 

 ing to Dumoril). 

 d. Twenty-six and a half' inches long : stuffed. Albany River. Pre- 

 sented by Sir J. llicbardson. — Typo of A. rupertianus. — Skin 

 ■with numerons scattered stellate ossifications ; dorsal shields 

 14, lateral 34, the posterior small, longer than high (this has 

 been referred to Huso by Dumeril, but ought to have been re- 

 ferred to Antaceus, having very distinct and numerous stellate 

 ossifications). 



12. Acipenser stellatus. 



Marsil. Danuh. Pann. 3Ii/s. iv. p. -'iT, tab. 12. fig. 2. 

 Acipenser seuruga, Giddcnstiidt, Nov. Cotnni. Petrop. xvi. p. 533. 

 Sewrjuga, Lepcchin, Beise Russ. Reich, i. p. 156, taf. 10. figs. 1 & 2. 

 Acipenser stellatus, Pcdl. Rei.se, i. p. 131 (and Anhanf/), p. 460 ; L. 



Gm. i. p. 1486; Bl. Schn. p. 348 ; Lncep. i. p. 439; Lepechin, Nov. 



Act. Ac. Petrop. ix. p. 35, tab. A ; Brandt Sf Ratzehm-f/, ii. pp. 25, 



351, 352, taf. 3. fig. 3 ; Loretzky, Noiiv. Mem. Sac. Nat. 3Iosc. iii. 



p. 262, taf. 18. figs. 1, la; Fitz. ^- Meckel, Ann. Wien. Mns. i. 



p. 287, tab. 26. fig. 0, tab. 30. figs. 13 & 14 ; Heckel und Kner, p. 343 ; 



Siebold, Siissivasserjische, p. 362. 



lielops. Pad. Zoogr. Ross. -As. iii. p. 97. 



doneusis, Lovetzky, I. c. p. 263, tab. 19. fig. 1. 



ratze-burgii, Brandt ^- Ratzehury, ii. p. 351, taf. Iff. fig. 3. 



Snout very long and narrow, nearly two-thirds of the length of 

 the head. Earbels simple. Dorsal shields well developed, their 

 keels terminating in an elevated acute point, which, however, is 

 not the hindmost part of the shield; they are 12-15 in number; 

 lateral shields small, 30-35. Skin with numerous smaller and 

 larger stellate ossifications irregularly distributed. The greater part 

 of the anal fin is below the dorsal. D. 46-51. 



Black Sea and Sea of Azow, with their rivers. 



a. Stufted, 5 feet long. Russia. 



6. Young. Black Sea. From Mr. Millingeu's Collection. 



13, Acipenser gtildenstadtii. 



Antaceus stellaris, Gemer, Paralip. p. 1262, c. fig. ; Jonston, tab. 28. 



fig. 2 (cop. Gesner) ; Wdluyhby, tab. P 7. fig. 4 (cop. Gesner); 



Marsil. Danub. Pann. Mys. iv. p. 37, tab. 12. 

 PSewruga, Gmel. Reise, i. p. 142. 

 Acipenser sturio, Giddensfcidt, Nov. Coinm. Petrop. xvi. p. 532; Pallas, 



Zooyr. Ross.-As. iii. p. 91 (part.). 



pvgniffius, Reisinyer, Pise. Ili/ng. p. 93 (young). 



aculeacus, Lovetzki/, Nouv. Mem. Soc. Nat. Mosc. iii. p. 262, 



tab. 19. fig. 2 (young). 

 giildeustnedtii, Brandt ^- Ratzeburg, ii. pp. 13, 253, 254, tab. 3. 



fig. 2 ; Lovetzki/, I. c. p. 259, tab. 17. fi'js. 1 & 2 {A. sturio) ; Fitz. ^■ 



Heck. Ann. Wien. Mas. i. p. 297, tab. 27. fig. 9, tab. 29. figs. 7 & 8 ; 



Ileckel Sf- Kner, Siissicasserfische, p. 349, with figs. 

 schvpa, Fitz. Sf Heck. 'l. c. p. 293, tab. 25. fig. 1, tab. 29. figs. 



9 & id ; Jlcckel S^- Kner, Silssnrissei^scJie, p. 346, with tigs. 



Snout short and obtuse, about one-third of the length of the head ; 



