1 66 BIOLOGICAL LECTURES. 



in Italy, but owing to entire lack of first-class scientific jour- 

 nals in Italian, the results of these investigations are issued in 

 all sorts of ways, — often in little-known medical journals or 

 in the transactions of obscure scientific societies, with which 

 Italy swarms, — and they would remain permanently unknown 

 were it not for the painstaking records of Professor Chiarugi 

 in his Monitor e. 



The four serials just mentioned ought to be accessible to 

 every student and to form part of the library of every zoolog- 

 ical or morphological laboratory. The remaining serials to be 

 enumerated are certainly less essential, but for certain special 

 purposes are almost indispensably consulted. They form my 



Second Class (journals primarily devoted to publishing 

 abstracts of papers). — I have noted the following : — 



1. Mcdisinisches Centralblatt,ionnd&d in 1863, by L.Hermann. 



2. Biologisches Centralblatt, founded in 188 1, by J. Rosenthal. 



3. Gy7iaekologisches Caitralblatt, founded in 1877, by Dr. H. 

 Fehling, of Stuttgart, and Dr. H. Fritsch, of Halle. 



4. Neiirologisches Caitralblatt, founded in 1 882, by E. Mendell. 



5. Physiologischcs Centralblatt, founded in 1887, by S. Exner 

 and J. Gad. 



6. Zoologisches Centralblatt, founded in 1894, by A. Schuberg. 



7. Fortschritte der Medizin, founded in 1883, by C. Fried- 

 lander. 



8. Journal of the Royal Microscopical Society of London gives 

 numerous good abstracts of articles interesting to microscopists, 

 was begun in 1878, is now issued in bi-monthly parts, forming 

 a bulky annual volume. 



9. Virdiozv-Hirsch Jahresberichte, founded in 1866 as the 

 continuation of an earlier medical Jahresbericht published at 

 Erlangen. 



10. Schmidfs Jahrbiicher, which was founded in 1834 and 

 has grown into a series of nearly two hundred and fifty vol- 

 umes. These JaJirbiicher are literally indispensable for look- 

 ing up certain lines of research through the past, as, for 

 example, the determination of sex, the phenomena of puberty, 

 menstruation, growth, anatomy, and physiology of infancy, 

 senile metamorphoses, heredity, etc. On all these subjects 



