31<> ACTPI'XSKIIID.IO. 



deeper than long (this wonhl be a species of Acipc.nser accord- 

 ing to Dumeril). 

 (I. Twenty-six and a half iiiclios long : stnffed. Albany lliver. Pre- 

 sented by Sir J. liicliardson. — Type of y/. rnjieiiidiun^. — Skin 

 with numerous scattered stellate ossifications ; dorsal shields 

 14, laj^eral 34, the posterior small, longer than high (this has 

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

 ferred to Antaceiis, having very distinct and numerous stellate 

 ossifications). 



12. Acipenser stellatus. 



Mdmil. Danuh. Pann. 3fi/s. iv. p. .j7, tab. I'J. fig. 2. 



Acipenser seuruga, Giihh-ns/in/t, JVov. Cunim. I'ctrop. xvi. p. oS^>. 



ScwiJLiga, Lepc.chin, lieisc llii.'is. lieic/i. i. p. 1 •">(>, tuf. 10. figs. I & 2. 



Acipenser stellatus, Pa/l. licise, i. p. l.'U (and yinhtotf/), p. 4CfO; L. 

 Gin. i. p. 1480; HI. Schn. p. .'348; Lrtccp. i. p. 4-' 50; Lepechhi, Nov, 

 Act. Ac. I'ctrop. ix. p. 35, tab. A ; Brandt i^- Ilafzcbiin/, ii. pp. 25, 

 851, 352, taf. 3. fig. 3; Lorctzki/, Konr. Mcni. Soc. Nat. 3Io-<c. iii. 

 p. 2(!2, taf. 18. figs. 1, la; Fiiz. 6f Heckc4, Ann. Wim. M?(x. i. 

 p. 287, tab. 2(5. fig. (5, tab. 30. figs. 13 & 14 ; Ileckcl und Kncr, p. 343 ; 

 SU'bold, iSiiss/rnsscr/i.scIu', p. 362. 



hclops, l\d/. /Aiiit/r. Jioas.-A-f. iii. p. 97. 



dcmciisis, Lorctzki/, I. c. p. 203, tab. 19. fig. 1. 



I'atzeburgii, Brandt <)• li(dzchur(j, ii. p. 351, taf. la. fig. 3. 



8nout very long and narrow', nearly two-thirds of flic length of 

 the head. IJarljels simple. Dorsal shields well developed, tliei>' 

 keels terminating in an ele.-ated acute point, which, however, is 

 not tlie hindmost i)art of the shield; they are 12-15 in nundier ; 

 lateral sliields small, 30—35. Skin with numerous smaller and 

 Luger stellate ossifications irrcgidarly distributed. Tlie greater part 

 of the anal fin is below the dorsal. D. 4G-51. 



Black Sea and Sea of Azow, with their rivers. 



a. Stuffed, 5 feet long. Russia. 



/). Young. Black Sea. From Mr. Millingen's Collection. 



13. Acipenser giildenstadtii. 



Antaotnis stcilari.^, Gc-'nicr. I'dralij). p. 1202, c. fig.; Jonston, tab. 28. 



fiu'. 2 (cop. t'csner) ; M'dha/hhj, tab. 1' 7. fig. 4 (cop. Gvsner); 



Marail. Dannh. Pann. AIi/s. iv. p. 37, tab. 12. 

 ? Sewruga, G/ncl. Jtcisc, i. p. 142. 

 Acipenser sturio, G'iddenslddt, Nov. Comm. Petrop. xvi. p. 532; Pallet'^, 



Zoot/r. Ro,s.s.-A^. iii. p. 91 (part.). 



pygm:nus, licisinf/cr, Pixc. Jlunr/. p. 93 (young). 



acidcaius, Tjwctzk;!, Koa>\ Mem. Soc. Nat. 3Iosc. iii. p. 202, 



tab. 19. fig. 2 (young). 

 giildenstredtii, Brandt (S,- Ratzchnrfj, ii. pp. 13, 253, 254, tab. 3. 



Ii--. 2 ; L<»Hizl:ii, I. c. p. 259, tab. 1 7. ii" ;s. 1 & 2 (A. stario) ; Fitz. ^• 



Jfccl: Ann. IHcn. Mas. i. ]i. 297, tab. 27. fig. 9, tab. 29. figs. 7 & 8 ; 



llcvlcci lS'- Kncr, Si(s.fy:a.sse//isc/a', p. 349, \v\Xh fi>>s. 

 schypa., FUz. <\ Acck.'l.c. p. 293, tab. 25. fig. 1, tab 29. figs. 



9 & 10; Ilcckcl I.S'- Kncr, Sil.'Kicas.sc);/i.sc/u', p. 340, with figs. 



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



