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PROFESSOR OWEN 
plotherium). I't. 4. Description of a portion of a skull and 
upper teeth of the same species of Paloplotherium {P. annecfens). 
Pt. 5. Description of the teeth and the lower jaw of an extinct 
species of mammal, &c. {Dichodon). [Owen had a few copies 
of these printed on quarto paper, bound up with four quarto 
plates, and issued by R. andj. E. Taylor as Contributions to the 
History of British Fossil Mammals (First Series), 1848.] 
Notice of the Occurrence of Fossil Remains of the Megaceros hiber- 
nicus and of Castor europaus in the Pleistocene deposits fonn- 
ing- the brick-fields at Ilford and Grays-Thurrock, Essex. Quart. 
Joiirn. Geol. Soc. iv. 1848, pp. 42-46, figs. 
Description of Teeth and Portions of Jaws of Two Extinct Anthraco- 
therioid Quadrupeds {Hyopotamus vectianus and Hyop. boviniis), 
discovered by the Marchioness of Hastings in the Eocene 
deposits of the N.W. coast of the Isle of Wight ; with an attempt 
to develop Cuvier’s idea of the classification of pachyderms by 
the number of their toes. Quart. Joiirn. Geol. Soc. iv. 1848, 
pp. 103-141, pis. vii, viii, and figs. 
On the Os H umero-capsularc of the Ornithorhynchus. Rep. Brit. 
Assoc. 1848, pt. 2, p. 79. 
On the Communications between the Tympanum and Palate in 
the Crocodiles. Rep. Brit. Assoc. 1848, pt. 2, pp. 79-80. 
On the Homologies and Notation of the Dental System in Mam- 
malia. Rep. Brit. Assoc. 1848, pt. 2, pp. 91-93. 
On the Value of the Origin of Nerves as a Homological Character. 
Rep. Brit. Assoc. 1848, pt. 2, pp. 93-94. 
Remarks on the ‘ Observations sur I’Ornithorhynque par M. Jules 
Verreaux.’ Ann. Mag. Nat. Hist. ser. 2, ii. 1848, pp, 317-322. 
The Great Sea-serpent. Ann. Mag. Nat. Hist. ser. 2, ii. 1848, pp. 
458-463. [Letter to The Times.'] 
1849 
A History of British Fossil Reptiles. 4 vols. 4to, JLondoii. 1849-84. 
[See 1884.] 
On Parthenogenesis, or the successive production of procreating 
individuals from a single ovum. 8vo, London, 1849, 76 pp. 
On the Nature of Limbs. A discourse delivered February 9 at an 
evening Meeting of the Royal Institution of Great Britain. 8vo, 
Londoti, 1849, 120 pp., 3 pis. 
Zoology, in ‘ A Manual of Scientific Enquiry ; prepared for the 
use of Her Majesty’s Navy : and adapted for travellers in 
