380 THE LITERATURE OF THIS SUBJECT 



1800. Pollock, H. On the Submersion of Swallows in Autumn. <^ TU- 

 loch'8 Philos. Mag. viii. 1800, pp. 107-109. 



Testimony of oyo-witnesa to the fact that " they plunged Into the water and 

 disappeared ", to the number of about 200, within 30 yards of the observer. 



1804. Antes, F. On the Hybernation of Swallows, by the late Colonel 



Antes. Communicated by Dr. Barton. <[ Trans. Amer. Philoa. Soc. 

 vi. pt. i. 1804, pp. 59, 60. 



1805. Barton, B. S. Letter to M. Lacepede, of Paris, on the Natural His- 



tory of North America. <C Tilloch^s Philos. Mag. xxii. 1805, pp. 

 204-211. 

 Asserts the torpid hibernation of Swallows as a fact. 



Prior to 1810. Reeve, H. " An Essay on the Torpidity of Animals. By 

 Henry Reeve, M. D." 



Not seen— c/. Philos. Mag. xxxv. 1810, p. 241, whence the above imperfect title 

 is extracted. Said to relate in part to migration and torpidity of various birds. 



1810. Barton, B. S. On the Torpidity of Animals. <^Tilloch's Philos. Mag. 

 xxxv. 1810, pp. 241-247. 



Discussing the matter chiefly in the cases of Swallows and Hummingbirds. 

 "There is no fact in ornithology better established than the fact of the occasional 

 torpidity of" Ootyle riparia and Ohcetura pelasgia. 



1813. FoRSTER, T. " Observations on the brumal retreat of the Swallow 

 [etc.]. 8vo. London, 1813." 



Not seen. — The same or another tract by the same author is said to have 

 reached its 6th ed. in J 817. — See also Trans. Linn. Soc. xii. pt. ii. p. 590. 



1824. Audubon, J. J. Facts and Observations connected with the perma- 

 nent residence of Swallows in the United States. <^ Ann. Lye. Xat. 

 Hist. New York, i. pt. i. 1824, pp. 160-168. (Read Aug. 11, 1824.) 

 H. lunifrons, Say, is here renamed H. respublieana, sp. n. 



1824. Clinton, De W. On the Hirundo fulva of Vieillot, with some gen- 

 eral remarks on the birds of this genus. <[ Ann. Lye. Nat. Hist. 

 Neiv York, i. pt. i. 1824, pp. 156-166. (Read Aug. 9, 1824.) 

 "H. fulva Vieill.", i. e. H. lunifrons. Say; here renamed H. opifex, sp. n. 



1827. Smith, Colin. Facts in regard to the Hybernation of the Chimney 

 Swallow, (Hirundo rnstica). <^ Edinb. New Philos. Journ. iii. 1827, 

 pp. 231-234. 



Five individuals captured in torpid state on rafters of an out-honse. They 

 revived and flew away. Supposition that Cotyle riparia might be found dor- 

 mant in its holes. 



1829. Bree, W. T. On the Arrival and Retreat of the British Hirundines, 

 with a Table of Arrivals and Departures, from 1800 to 1828. <[ Lou- 

 don's Mag. Nat. Hist. ii. 1829, pp. 16-20. 



1829. " L. E. O." Swallows remaining in this Country [England] during 

 the Winter. < Loudon's Mag. Nat. Hist, ii, 1829, p. 458. 



1839. Sweet, R. A Swallow in November [near Fulham, Engl.]. 

 <^Loudon'8 Mag. Nat. Hist. ii. 1829, p. 101. 



