862 General Notes. 
EMBRYOLOGY.: E 
The Development of an Eight-limbed Vertebrate.—It is no j 
some months since I communicated my suspicions to seve 
friends that the so-called fan-tailed race of gold-fishes (Caras 
the Japanese. Se 
The author shows that the embryos developed a series of 
double ventral limb-folds extending from beneath the yelk-sac s 
far back as the end of the notochord and future urostyle. . 
tem of folds are entirely hypaxial, including even those 
lead to the development of a,double caudal, as in all Teleosts 
racing these very remarkable changes, Mr | 
: y of the same morphological value, and that ae 
and ventrals are to be considered as limbs, the cauda! ae pe 
ee 1! Edited OHN A. Ryp 3 $ i University 
Sylvania, Phan E Ece Ph.D., Molegical Department, 
