AGASSIZ ‘POISSONS FOSSILES, XXIX 
Supplemental Sheets were also issued to the work, under the title, 
* Feuzlleton additionel sur les Recherches sur les Poissons fossiles? 
Pp. 1-20 (11), 1834. Pp. 99-106 (VIII, 1X), 1837. 
21-64 (IV), 1835. 107-126 (X-XI1), 1838-39. 
65-74 (V), 1835. 127-130 (XIII), 1839. 
75-86 (VI), 1836. 131-138 (XIV), 1842. 
87-98 (VII), 1836. 139-146 (XV, XVI), 1843. 
DATES OF PUBLICATION OF THE LIVRAISONS. 
Live, J, 1833, Livr. VII, 1836. Livr. XIII, 1839. 
IT, 1834. VIII & IX XIV, 1842. 
III, 1834. (united), 1837. XY & XVI 
IV, 1835. Xi& Xl (united), 1843. 
V, 1835. (united), 1839. XVII, 1844. 
VI, 1836. XI, 1838. XVIII, 1844. 
In a letter to the Mewes Jahrbuch, 1843 (pp. 198, 199), L. Agassiz 
states that the following work is to form a Supplement to the 
‘Recherches sur les Poissons fossiles, etc. :— 
Monographie des Potssons fossiles du Vieux Gres Rouge ou Systéme 
Dévonien (Old Red Sandstone) des Lles Brittanigues et de Russie. Par 
L. Agassiz. 
Text, pp. xxxvi, 171. 4to. Newuchdtel & Soleure, 1844-45. 
Atlas, 43 pls., fol., Mewchdate/, 1844-45. 
(Text), Tab. 19 (11), 1845. 
Pp. i-viii, 1-72 (1, 11), 1844. 20, 21 (I, II), 1844. 
ix-XXxvi, 73-171 (III), 1845. 21a (II), 1845. 
(Atlas), 22 (I, 11), 1844. 
Tab. A-D (1, 11), 1844. 23, 24 (111), 1845. 
E, F (111), 1845. 25 (I-II), 1844. 
1-18 (1, 11), 1844. 26-33 (111), 1845. 
Dates of publication of ‘ Odontography, by R. Owen. 
We also append a note of the dates of publication of Richard 
Owen’s Odontography ; or a Treatise on the Comparative Anatomy of 
the Teeth, etc. (Svo., London, 1840-1845), as some confusion seems to 
have occurred in quotation :— 
Part i: 1840; pp. I-112, pls. 1-50. 
Part ii: 1841; pp. i-xl, 113-288, pls. 51-89 A (excl. 62 A). 
Part iii: 1845; Title page, pp. xli-Ixxiv, 289-65¢, pls. i, ii, 62A, 90-150. 
(Some of the plates in part iii bear the date 1844 at the bottom.) 
