ah oe hat (a ae 
Td. Acta 
ETAL SysTEM OF NEectTuRUS MACULATUS Rafinesque. 
By Harris Hawrnorne Wiper, Pu. D. 
(Read February 19, 1902.) 
INTRODUCTION. 
eleben says, “Es wiire im Interesse einer besseren Fundamentirung der verglei- 
iden Anatomie héchst wiinschenswert, wenn bald zu den wenigen ausfiihrlichen 
rs....eines Urodelen....einiger Reptile und niederen Siiuger, besonders Insecti- 
n, kimen.... Wer wagt es?” The following paper is an attempt to carry out the 
restion of the above quotation as far as it concerns a Urodele; and it is hoped that, 
eulosa in Europe. This exploitation of the species as a laboratory animal has led to 
he development of means for its capture in quantity for such purposes, and it is thus by 
0 means so uncommon an object of study in the laboratories of Europe as it was a few 
ars ago." 
ranting that the second of the above alternatives has the most in its favor, the 
would be limited to one of the Proteidae, a family represented by three generic 
Necturus is supplied at present at most of the American universities at $10.00 per hundred, and although just at 
there is an attempt being made by dealers to advance the price, especially of those exported to Europe, such con- 
