XV1ll. PROCEEDINGS LIVERPOOL BIOLOGICAL SOCIETY. 
in the Dorsal Tubercle of Ascidia virginea was 
communicated by Prof. Herdman. (See “ Trans- 
actions,’ p. 98). 
3. Prof. Herdman laid before the Society his Annual 
Report on the work of the Liverpool Marine Biology 
Committee, and the establishment of the Port 
Erin Biological Station. (See ‘‘ Transactions,” p. 
45). The report was illustrated by lantern slides 
and specimens. 
4. Prof. Gotch, F.R.S., read a paper on the Microscopic 
Structure of Insects’ Muscle. He set forth the 
recent researches of Rollett, Ramon y Cajal, Schafer 
and others on the structure of the cross striated 
fibres in the wing muscles of Insects. The paper 
was illustrated by lantern slides and microscopic 
preparations. 
The fourth meeting of the Society was held in Univer- 
‘sity College on Friday, 13th January, 1893, Prof. Herdman, 
Vice-President, in the chair. 
1. Prof. Herdman announced that a tank room was in 
course of erection at the Port Erin Biological 
Station. 
2. Professor H. A. Strong read a paper on the past history 
of the Rat and the Cat as illustrated by the evidence 
of language and literature. He shewed that there 
was no word for rat in either Latin or Greek: that 
the Slavonic nations gave the name properly apply- 
ing to a mole to the recently imported rat: that 
the Italians while reserving the word of learned 
formation talpa for the mole, applied the popular 
form of talpa, (topo) to the rat: that the modern 
Greeks call the rat the Pontic Mouse: that all the 
Celtic nations each in their own dialect call the rat 
