THE LITEEATUEE OP THIS SUBJECT 379 



1764. Leche, J. "Diss. Acad, de Commemoratione hybernali etperegrina- 

 tionibns Hirundinum. Prses. Joh. Leche, Kesp. Job. Grysselius, 

 Neric. Aboae, 1764. 4to. pp. 34." 

 Not seen — ^title from v. Frieaen. 



1772. Barrington, D. An Essay on the periodical Appearing and Disap- 

 pearing of certain Birds, at different Times of the Year. In a Letter 

 from the Honourable Daines Barriagton, Vioe-Pres. E. S. to William 

 Watson, M. D. F. E. S. < PMlos. Trans. Ixii. 1772, art. xx. pp. 

 265-326. 



Keprinted, considerably augmented, in Barrington's Miscellanies, p. 174. 

 Refers especially to Swallows. Quotes HarL Misc. ii. 561, for supposed migra- 

 tion of birds to the moon. Quotes Sbaw, Fhys. Obs. Algiers, chap. 2. Quotes 

 Martin, Edinb. 1771, 12mo, for thermometrical experiments. Adanson, Yoy. 

 Senegal, pp. 13, 15, 67. Forster's Translation of Kalm. Translation of Oabeck. 

 Bnrch's Hist, of the Eoy. Soc. ill. 189. Edwards, Essays, p. 197 (migration of sea 

 fowl). 



1774. Wahrmund, C. W. "Ueber den Winfceraufenthalt der Schwalben, 



Storche und andere Vogel. <C. Nev.es Sambgr. Magaz. Ixxxi. 1774, 

 p. 195." 

 Not seen — source of title not remembered. 



1775. COKNISH, J. Of the Torpidity of Swallows and Martins. < Philos. 



Trans. Ixv. pt. ii. 1775, pp. 343-352. 

 Af&rmed and discussed. 



1785. Dexter, S. A Letter on the Eetreat of House-Swallows in Winter, 

 from the Honourable Samuel Dexter, Esq; to the Honourable 

 James Bowdoin, Esq; Pres. A. A. -^Mem. Amer. Acad. Arts and 

 Sd. i. pt. ii. 1785, pp. 494-490. 

 Asserting the subaqueous torpid hibernation as a fact. 



1789. CARLSOjf, G. V. " Anmarkningar om Svalor. < Kongl. Vetensk.- 

 Akad. Nya Bandl. 1789, x. pp. 315-317." 

 Not seen— title from v. Eriesen, ftfv. Sver. Orn. Litt. 1860, 31. 



1793. Packard, A. A Letter on the Eetreat of Swallows in Winter. 

 < Mem. Amer. Acad. Arts and Sci. ii. pt. i. 1793, pp. 93-95. 

 Letter to S. Dexter, confirming his statements by additioniU observalions. 



1799. Cole, P. On the Disappearance of Swallows in Autumn ; in a Letter 

 Irom Mr. Peter Cole to Dr. Mitohill, dated New-York, September 25, 

 1798. < Tilloch's Philos. Mag. iv. 1799, pp. 414-417. 



Article taken from the American Medical Eepository. Original not seen. 



"Some of these birds " (Cotyle riparia) "appeared to run on the surface of the 

 water with gre.it rapidity, and, in the twinkling of an eye, disappeared under the 



water and rose no more I am now become a proselyte to the swallows 



remaining in a torpid state during the winter, not only from speculatiye re- 

 searches bnt from ocular demonstration." Quotes also pftssages to the same effect 

 from p. 7.^5, vol. ii. of the " Christian's, Scholar's and Farmer's Magazine ", and 

 from a letter from Mr. Josiah Blakeley to Mr. Carey, dated Baltimore, Jan. 7, 

 1788, in "American Museum ", ill. pp. 451, 432. 

 18—. S. O — N. [Odmann, S.] " Om Svalors drankning." <^ Lak. o. Naturf. 

 ix. Bd. pp. 178, 179. 



Not seen— title from v. Friesen, p. 30. 



