720 
vomer of Mammals. — Mr. G. A. Boulenger, F.Z.S., read some notes 
on the Edible Frogs introduced into England, which he referred to two forms 
— Rana esculenta typica of France and Belgium, and Rana esculenta Lessonae 
of Italy. — A communication was read from the Count T. Salvadori 
containing remarks on certain species of Birds from Timor Laut. — A com- 
munication was read from Mr. E.P. Ramsay, C.M.Z.S., containing the 
description of a supposed new species of Flycatcher from New Guinea, pro- 
posed to be called Rhipidura fallax. — Mr. F. Day read the third of his 
papers on races and hybrids among the Salmonidae. The author gave an 
account of how the Salmon, which had been raised in freshwater at Howie- 
town had been artificially obtained; and pointed out that all the hybrids 
between the Salmon and the Trouts had proved sterile, while the hybrids 
between the Trouts and the Chars had proved fertile. — P. L. Sclater, 
Secretary. 
2. Linnean Society of London. 
4th December, 1884. — A paper was read by Dr. Francis Day on 
the »Relationship of Indian and African Fresh-water Fish-Fauna.« In this 
Communication the author refers to certain papers of his read before the 
Society on previous occassions, but he more particularly deals with the 
differences shown between his own statements therein and those subse- 
quently given by Dr. Günther in his »Introduction to the study of Fishes«. 
Dr. Day is inclined to believe that in the consideration of Indian fish distri- 
bution there seems a possibility that certain marine forms, for example the 
Acanthopterygian Lates, the siluroid family Arinae and others have been 
included among the fresh water fauna by Dr. Günther, whereas fresh water 
forms such as Ambassis, several genera of the Gobies, as Sicydium, Gobius, 
Eleotris, etc., have been omitted from the fresh water fauna of India by 
Dr. Giinther. Thus Dr. Day attempts to show that there may be less affinity 
between the African and Indian regions so far as fresh-water fishes are con- 
cerned than there is between his restricted Indian region and that of the 
Malay Archipelago. He adds that of 87 genera found in India, Ceylon and 
Burmah 14 extend to Africa, but 44 to the Malay Archipelago; whereas 
out of 369 species, only 4 extend to Africa and 29 to the Malay Archi- 
pelago. — On MHeterolepidotus grandis, a fossil fish from the Lias, was the 
title of a paper by Mr. James W. Davis. The author describes the spe- 
cialities of this form and remarks that the genus had been instituted by Sir 
Philip Egerton for certain fish closely related to Lepidotus but differing in 
their dentition and scaly armature. The H. glandis has interest among other 
things, in the attachment of the dorsal and anal fins with the series of well 
developed interspinous bones, in the peculier arrangement of the articular 
apparatus of the pectoral fins and in the heterocercal form of the tail. — 
J. Murie. 
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