598 
SECOND REPORT -18 32. 
the gravel bed not to have been below 39° during the winter. 
Neither trout nor salmon devour the ova or the young fry ; flies, 
beetles, worms, and larvae, being the only food found in the 
stomachs of either of these fish. 
On the 20th of April the rivers were fished with fly, and 
were found full of salmon smelts, from 7 to 9 inches long, in 
good condition, with insects in their stomachs. Some of these, 
put into a vessel of rain w T ater, died in an hour or two, and this 
whether taken with net or fly, and the author mentions facts, 
showing they will not bear to be carried to any considerable 
distance. 
On the 5th of May the rivers were again fished, and smelts 
were still plentiful, notwithstanding some intervening floods, 
but they had descended the river two miles. 
The author having thus related a portion of his investiga¬ 
tions on the subject of the natural history of the salmon, pro¬ 
ceeds to a survey of the Pan trout, or Samlet, which he distin¬ 
guishes as a peculiar species, and makes some remarks on the 
hybernation of the trout and salmon. He then enters on topics 
of a more general nature, and discusses the subject of legal pro¬ 
visions for the regulation of salmon fisheries. It would be dif¬ 
ficult to present an abstract of this part of the communication 
in such a manner as to do justice to the views of the author, 
who here gives a general review of the effects of the power and 
improvidence of man, in destroying races of animals which might 
have been long available for human food ; and proposes a plan 
of legislative enactments, by which the further diminution of 
the salmon in the rivers of Great Britain may be prevented. 
Mr. Arthur Strickland communicated Observations on a 
species of Procellaria , new to the British Fauna, which was 
shot at the mouth of the Tees, in Yorkshire, in August 1828. 
The bird w r as at first compared to Procellaria Bulweri, but 
upon further examination of it with Mr. Vigors and Mr. Gould, 
the author found it to be a different species. Subsequent re¬ 
searches # have given reason to presume that the bird is iden¬ 
tical with Nectris fuliginosa of Solander’s MS. described in 
Kuhl’s Beitrage, from two unpublished drawings belonging to 
Sir Joseph Banks's collection, now deposited in the British 
Museum. 
Mr. S. D. Broughton communicated Notices of the Pro¬ 
gress of Physiological Research, appertaining to the following 
subjects:— 
* See Proceedings of the Zoological Society for July 12, 1S32. 
