THE LITERATURE OP THIS SUBJECT 379 



1764. Leche, J. "Diss. Acad, de Coinmemoratione hybernali et peregrina- 

 tionibus Hirundinum. Prtes. Joh. Leche, Resp. Job. Grysselius, 

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

 Not seen — title from v. Friesen. 



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

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

 from tbe Honourable Daines Barrington, Vice-Pres. R. S. to William 

 Watson, M. D. F. R. S. < Philos. 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 Shaw, Phys. Obs. Algiers, chap. 2. Quotes 

 Martin, Edinb. 1771, 12mo, for thermometrical experiments. Adansou, Voy. 

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

 Burch's Hist, of the Koy. Soc. iii. 189. Edwards, Essays, p. 197 (migration of sea 

 fowl). 



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



Storche und andere Vogel. <iNeu€8 Hambgr. Magaz. Ixxxi. 1774, 

 p. 195." 

 Not seen — source of title not remembered. 



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



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

 AfSrmed and discussed. 



1785. Dexter, S. A Letter on the Retreat 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 

 Sci. i. pt. ii. 1785, pp. 494-496. 

 Asserting the subaqueous torpid hibernation as a fact. 



1789. Carlson, G. v. •' Anmiirkningar om Svalor. < Kongl. Vetenslc.- 

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

 Not seen — title from v. Friesen, Ofv. Sver. Orn. Litt. 1860, 31. 



1793. Packard, A. A Letter on the Retreat 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 additional obeervations. 



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

 from Mr. Peter Cole to Dr. Mitchill, dated New-York, September 25, 

 1798. < TillocWs Philos. Mag. iv. 1799, pp. 414-417. 



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

 "Some of those 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 speculative re- 

 searches but from ocular demonstration." Quotes also passages to the same effect 

 from p. 735, vol. ii. of the "Christi.in's, Scholar's and Farmer's Magazine", and 

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

 1788, in "American Museum ", iii. pp. 451, 452. 

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

 ix. Bd. pp. 178, 179. 

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



