scholarly journals The mammalian cerebral cortex, with special reference to its comparative histology. 1. Order insectivora.— Preliminary communication

1970 ◽  
Vol 110 (4) ◽  
pp. 540-558 ◽  
Author(s):  
Rea Johnson ◽  
Michael Armstrong-James

1898 ◽  
Vol 62 (379-387) ◽  
pp. 100-112 ◽  

Since 1883 I have repeatedly endeavoured to discover some refined and generally applicable method by means of which the fine fibrillæ, or “connecting threads,” traversing the cell membrane might be identified with certainty, and the fact of their existence settled beyond dispute. I was also anxious to be in a position to investigate the development of the threads in endosperm tissue. My researches met with little encouragement until 1894, when I succeeded in finding a new method, by means of which I obtained excellent results with the young developing endosperm tissue of Tamus communis . This I have further elaborated, so that either the original method, or modifications of it, can be applied to tissues generally.


1900 ◽  
Vol 66 (424-433) ◽  
pp. 186-188 ◽  

In the course of my investigations in connection with the forth­coming paper on “ The Histology of the Cell Wall with special Reference to the Mode of Connection of Cells,” certain observations and conclusions concerning the origin and development of the wall-threads and cell-wall have come to light which seem to be of suffi­cient interest to warrant my bringing them to the notice of the Society without delay.


1902 ◽  
Vol 69 (451-458) ◽  
pp. 206-209 ◽  

We have been engaged for some time past on inquiry into the physiology of the cerebral cortex of the anthropoid apes. We are able to lay before the Society some new facts regarding the topographical distribution of function in the anthropoid brain. Our experiments have been carried out on individuals representing the four species Pithecus satyrus (Orang), Troglodytes gorilla (Gorilla), Troglodyte niger (Chimpanzee), and Troglodytes calvus (Chimpanzee). The specimens so far have included ten adult individuals. Of Troglodytes niger one individual used was only a few months old.


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