238 Journal of Comparative Neurology. 



unanimously the " Report, of the Committee on Neuronymy. "^ 

 The recommendations were as follows : 



1. That the adjectives dorsal and ventral be employed 

 in place of posterior and anterior as commonly used in human 

 anatomy, and in place of upper ^.n^ lozver d^s sometimes used in 

 comparative anatomy. 



2. That the cornua of the spinal cord, and the spinal 

 nerve-roots, be designated as dorsal and ventral rather than 

 as posterior and anterior. 



3. That the costiferous vertebrae be called thoracic rather 

 than doj'sal. 



4. That, other things being equal, mononyms (single-word 

 terms) be preferred to polyonyuis (terms consisting of two or 

 more words). 



5. That the hippocampus minor hQ called calcar ; the hip- 

 pocampus major, hippocampus ; the pons Varolii, pons ; the 

 insula Reilii, insula ; pia mater and d7ira mater, respectively pia 

 and DURA. 



6. That the following be employed rather than their va- 

 rious synonyms : hypophysis, epiphysis (for conaj-inm and cor- 

 pus pine ale), CHIASMA, oblongata, LEMNISCUS, MONTICULUS, TEG- 

 MENTUM, PULVINAR, FALX, TENTORIUM, THALAMUS, CALLOSUM, 

 STRIATUM, DENTATUM, MESENCEPHALON, PALLIUM, OLIVA, CLAVA, 

 OPERCULUM, FISSURA CENTRALIS (for f. Rolando, etc.), F. CALCAR- 

 INA, F. COLLATERALIS, F. HIPPOCAMPI, CUNEUS, PRAECUNEUS, 

 CLAUSTRUM, FORNIX, INFUNDIBULUM, VERMIS. 



^ The committee was appointed by the President of the Association, upon 

 the suggestion of the writer, at the regular meeting in New York city, June 20, 

 1884. One of the most interested of the original members, Dr. W. R. Birdsall, 

 has since died. It now comprises Henry H. Donaldson, Ph.D., professor of 

 Neurology, Chicago University; Landon Carter Gray. M.D., professor of Ner- 

 vous and Mental Diseases, New York Polyclinic; Charles K. Mills, M.D., pro- 

 fessor of Diseases of the Mind and Nervous System in the Philadelphia Poly- 

 clinic ; Edward C. Seguin, M.D., professor of Diseases of the Mind and Ner- 

 vous System in the Medical Department of Columbia University ; Edward C. 

 Spitzka, M.D., formerly professor of the Anatomy and Physiology of the Ner- 

 vous System in the Post-graduate Medical School of New York city; and B. G. 

 Wilder, Chairman. 



