164 Journal of Comparative Neurology. 



4 Kindly underscore your preference among the following, 

 making any comments or additions which may seem best to you : 



(a) Proton, fundament, rudiment for the German Anlage ; 



( b) neurocyte, neurodendrite, neuron, nerve cell, ganglion cell for the 

 nerve unit ; 



(c) gangliocyte, aesihesiobiast, ganglion cell for cells of peripheral 

 ganglia ; 



(d) nidulus, nidus, nucleus for central cell cluster; 



(e) 7'hombencephalon (^myelencephalon + metencephalon, His), 

 myelencephalon, metencephalon as segmental term for hind- brain; 



(f) iter, aquaeductus Sylvii, mesocoele for cavity of mesencephalon ; 



(g) metacoele, ventriculus quartus for the fourth ventricle ; 

 (h) epiphysis, glandula pinealis, conariiwi, corpus pineale ; 

 (i) hypophysis, pituitary (body) ; 



(j) neuron, neuraxis, myelencephalon for axis cerebro-spinalis. 

 5. Should "fis>ura" and "gyrus" be limited to the cerebrum and 

 "sulcus" and "folium" to the cerebellum ? 

 Very respectfully, 



C. L. HERRICK. 



Socorro, New Mexico. December, 1S96, 



In the following statement the number following a given 

 term indicates the number of authors who favor the use of that 

 term. To facilitate the comparison of the American with the 

 European authors, the number of authors of each class is added. 

 Am. signifying replies from the United States and Canada, Eu. 

 signifying replies from Europeans (including one from New 

 Zealand). 



I. Terms of position and direction. 



(a) cephalad, 20, Am., i8, Eu., 2. 

 cephalic, 3, Am., 2, Eu., I. 

 cephalically ?, i, Eu., I. 

 cranial (cranialis), 4, Eu., 4. 

 frontal, 3, Eu., 3. 

 anterior(ly), 4, Am., 3, Eu., i. 

 rostrad, 2, Am., I, Eu., i. 

 rostral, I, Eu., I. 

 upward, 2, Am., i, Eu., i. 

 apical, I, Eu., i. 

 capital, I, Eu., I. 

 toward the head, i, Eu., I. 



